Rumah pembangunan bahagian belakang tutorial php 打造PHP的无限分级类(完整代码及注释)_PHP教程

打造PHP的无限分级类(完整代码及注释)_PHP教程

Jul 13, 2016 pm 05:19 PM
php bawah kod Penggredan keseluruhan capai membina bekalan tidak terhad Komen daripada baik hati

下面提供一个PHP的无限分级类代码,想要实现无限分级类的朋友们可以试试。Bug已经检查修正过,直接复制代码就能使用尖括号需要替换一下)。

1、数据库ProductShow中有b_mtype表,建表语句如下:

<ol class="dp-sql">
<li class="alt"><span><span class="keyword">CREATE</span><span> </span><span class="keyword">TABLE</span><span> `b_mtype` (  </span></span></li>
<li class="">
<span>  `typeid` </span><span class="keyword">int</span><span>(4) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">'0'</span><span>,  </span>
</li>
<li class="alt">
<span>  `typename` </span><span class="keyword">varchar</span><span>(50) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">''</span><span>,  </span>
</li>
<li class="">
<span>  `parentid` </span><span class="keyword">int</span><span>(4) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">'0'</span><span>,  </span>
</li>
<li class="alt">
<span>  `parentstr` </span><span class="keyword">varchar</span><span>(200) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">''</span><span>,  </span>
</li>
<li class="">
<span>  `depth` </span><span class="keyword">int</span><span>(4) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">'0'</span><span>,  </span>
</li>
<li class="alt">
<span>  `rootid` </span><span class="keyword">int</span><span>(4) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">'0'</span><span>,  </span>
</li>
<li class="">
<span>  `child` </span><span class="keyword">varchar</span><span>(200) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">''</span><span>,  </span>
</li>
<li class="alt">
<span>  `orders` </span><span class="keyword">varchar</span><span>(200) </span><span class="op">NOT</span><span> </span><span class="op">NULL</span><span> </span><span class="keyword">default</span><span> </span><span class="string">''</span><span>,  </span>
</li>
<li class="">
<span>  </span><span class="keyword">PRIMARY</span><span> </span><span class="keyword">KEY</span><span>  (`typeid`)  </span>
</li>
<li class="alt"><span>) TYPE=MyISAM;  </span></li>
<li class=""><span> </span></li>
</ol>
Salin selepas log masuk

2、ProductClass.php代码:直接复制即可)

<ol class="dp-c">
<li class="alt"><span><span>  </span></span></li>
<li class=""><span>  </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"Content-Type"</font></span><span> content=</span><span class="string"><font color="#0000ff">"text/html; charset=gb2312"</font></span><span> />  </span></span></li>
<li class=""><span>WHB_PHP无限级分类  </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"text/css"</font></span><span>>  </span></span></li>
<li class=""><span><li class="alt"><span>.STYLE1 {color: #FF0000}  </span></li>
<li class=""><span>body,td,th {  </span></li>
<li class="alt"><span> font-family: 宋体;  </span></li>
<li class=""><span> font-size: 12px;  </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>.STYLE2 {  </span></li>
<li class="alt"><span> color: #FFFFFF;  </span></li>
<li class=""><span> font-size: 14px;  </span></li>
<li class="alt"><span> font-weight: bold;  </span></li>
<li class=""><span>}  </span></li>
<li class="alt"><span>-->  </span></li>
<li class=""><span>  </span></li>
<li class="alt"><span>  </span></li>
<li class=""><span> </span></li>
<li class="alt"><span>  </span></li>
<li class=""><span><li class="alt">
<span></span><span class="func">ini_set</span><span>(</span><span class="string"><font color="#0000ff">"error_reporting"</font></span><span>,</span><span class="string"><font color="#0000ff">"E_ALL & ~E_NOTICE"</font></span><span>);</span><span class="comment"><font color="#008200">//忽略所有警告信息  </font></span><span> </span>
</li></span></li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">require_once</font></strong></span><span>(</span><span class="string"><font color="#0000ff">"conn.php"</font></span><span>);</span><span class="comment"><font color="#008200">//嵌入连接文件 </font></span><span> </span>
</li></span></li>
<li class="alt">
<span>    @</span><span class="vars"><font color="#dd0000">$ToDo</font></span><span>=</span><span class="vars"><font color="#dd0000">$_GET</font></span><span>[</span><span class="string"><font color="#0000ff">"ToDo"</font></span><span>];  </span>
</li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">switch</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$ToDo</font></span><span>)  </span>
</li>
<li class="alt"><span>    {          </span></li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">case</font></strong></span><span> </span><span class="string"><font color="#0000ff">"add"</font></span><span>:  </span>
</li>
<li class="alt">
<span>    </span><span class="func">echo</span><span> add();  </span>
</li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">break</font></strong></span><span>;  </span>
</li>
<li class="alt"><span>     </span></li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">case</font></strong></span><span> </span><span class="string"><font color="#0000ff">"edit"</font></span><span>:  </span>
</li>
<li class="alt">
<span>     </span><span class="func">echo</span><span> edit();  </span>
</li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">break</font></strong></span><span>;  </span>
</li>
<li class="alt"><span> </span></li>
<li class="">
<span>     </span><span class="keyword"><strong><font color="#006699">case</font></strong></span><span> </span><span class="string"><font color="#0000ff">"saveadd"</font></span><span>:  </span>
</li>
<li class="alt">
<span>     </span><span class="func">echo</span><span> saveadd();  </span>
</li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">break</font></strong></span><span>;  </span>
</li>
<li class="alt"><span>     </span></li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">case</font></strong></span><span> </span><span class="string"><font color="#0000ff">"saveedit"</font></span><span>:  </span>
</li>
<li class="alt">
<span>    </span><span class="func">echo</span><span> saveedit();  </span>
</li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">break</font></strong></span><span>;  </span>
</li>
<li class="alt"><span>     </span></li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">case</font></strong></span><span> </span><span class="string"><font color="#0000ff">"del"</font></span><span>:  </span>
</li>
<li class="alt">
<span>    </span><span class="func">echo</span><span> del();  </span>
</li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">break</font></strong></span><span>;  </span>
</li>
<li class="alt"><span>        </span></li>
<li class="">
<span>    </span><span class="keyword"><strong><font color="#006699">default</font></strong></span><span>:  </span>
</li>
<li class="alt"><span>?>  </span></li>
<li class=""><span> </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"90%"</font></span><span>   border=</span><span class="string"><font color="#0000ff">"0"</font></span><span> align=</span><span class="string"><font color="#0000ff">"center"</font></span><span> cellpadding=</span><span class="string"><font color="#0000ff">"0"</font></span><span> cellspacing=</span><span class="string"><font color="#0000ff">"0"</font></span><span> </span><span class="keyword"><strong><font color="#006699">class</font></strong></span><span>=</span><span class="string"><font color="#0000ff">"tblborder"</font></span><span>>  </span></span></li>
<li class=""><span>  </span></li>
<li class="alt"><span>     <span class="string"><font color="#0000ff">"top"</font></span><span>><span class="string"><font color="#0000ff">"100%"</font></span><span>   border=</span><span class="string"><font color="#0000ff">"0"</font></span><span> cellspacing=</span><span class="string"><font color="#0000ff">"1"</font></span><span> cellpadding=</span><span class="string"><font color="#0000ff">"3"</font></span><span>>  </span></span><li class=""><span>         </span></li>
<li class="alt"><span>           <span class="string"><font color="#0000ff">"55%"</font></span><span> height=</span><span class="string"><font color="#0000ff">"20"</font></span><span> align=</span><span class="string"><font color="#0000ff">"center"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#698FC7"</font></span><span>><span class="keyword"><strong><font color="#006699">class</font></strong></span><span>=</span><span class="string"><font color="#0000ff">"tblhead"</font></span><span>><span class="keyword"><strong><font color="#006699">class</font></strong></span><span>=</span><span class="string"><font color="#0000ff">"STYLE2"</font></span><span>>商品类别设置 <span class="string"><font color="#0000ff">"?ToDo=add"</font></span><span>>添加一个新类别  </span></span><li class=""><span>            </span></li>
<li class="alt"><span>          </span></li>
<li class=""><span>       </span></li>
<li class="alt"><span>       <span class="string"><font color="#0000ff">"100%"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#cccccc"</font></span><span> cellspacing=</span><span class="string"><font color="#0000ff">"1"</font></span><span> cellpadding=</span><span class="string"><font color="#0000ff">"3"</font></span><span>>  </span></span></li>
<li class=""><span>         <span class="string"><font color="#0000ff">"#F9F9F9"</font></span><span>>  </span></span></li>
<li class="alt"><span>           <span class="string"><font color="#0000ff">"6%"</font></span><span> height=</span><span class="string"><font color="#0000ff">"21"</font></span><span>>ID  </span></span></li>
<li class=""><span>           <span class="string"><font color="#0000ff">"49%"</font></span><span>>类别名称  </span></span></li>
<li class="alt"><span>           <span class="string"><font color="#0000ff">"14%"</font></span><span>>排序  </span></span></li>
<li class=""><span>           <span class="string"><font color="#0000ff">"31%"</font></span><span>>操作  </span></span></li>
<li class="alt"><span>           </span></li>
<li class=""><span>   <li class="alt"><span>         </span></li>
<li class="">
<span>   </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select * from b_mtype order by rootid,orders"</font></span><span>);  </span>
</li></span></li>
<li class="alt">
<span>   </span><span class="keyword"><strong><font color="#006699">while</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$query</font></span><span>))  </span>
</li></span><li class=""><span>   {  </span></li>
<li class="alt"><span>     </span></li>
<li class=""><span>   ?>  </span></li>
<li class="alt"><span>           </span></li>
<li class=""><span>           <span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>><span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typeid"</font></span><span>];?>  </span></span><li class="alt"><span>           <span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>]>0) {  </span></span><li class="">
<span>                      </span><span class="keyword"><strong><font color="#006699">for</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$i</font></span><span>=1;</span><span class="vars"><font color="#dd0000">$i</font></span><span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>];</span><span class="vars"><font color="#dd0000">$i</font></span><span>++){ </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">" "</font></span><span>;}  </span></span>
</li>
<li class="alt"><span>     }?>  </span></li>
<li class=""><span> </span></li>
<li class="alt"><span>       <span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"child"</font></span><span>]>0) { </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"+"</font></span><span>;}</span><span class="keyword"><strong><font color="#006699">else</font></strong></span><span> {</span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"-"</font></span><span>;}?>   </span></span></li>
<li class=""><span>       <span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"parentid"</font></span><span>]==0) { </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;}?>  </span></span></li>
<li class="alt"><span>       <span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typename"</font></span><span>];?>  </span></span></li>
<li class=""><span>       <span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"child"</font></span><span>]>0) {?>(<span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"child"</font></span><span>];?>)  </span></span><li class="alt"><span>           <span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>><span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"orders"</font></span><span>];?>  </span></span><li class=""><span>           <span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>><span class="string"><font color="#0000ff">"?ToDo=add&editid=</font></span><span>typeid</span><span class="string"><font color="#0000ff">"];?>"</font></span><span>>添加子类   </span></span><li class="alt"><span>     | <span class="string"><font color="#0000ff">"?ToDo=edit&editid=</font></span><span>typeid</span><span class="string"><font color="#0000ff">"]?>"</font></span><span>>编辑类别   </span></span></li>
<li class=""><span>            |   <span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"child"</font></span><span>]==0){?><span class="string"><font color="#0000ff">"?ToDo=del&editid=</font></span><span>typeid</span><span class="string"><font color="#0000ff">"];?>"</font></span><span> onClick=</span><span class="string"><font color="#0000ff">"{if(confirm('删除类别时,该类别下的所有产品将一并被删除,确定删除吗?')){return true;}return false;}"</font></span><span>>删除类别<span class="keyword"><strong><font color="#006699">else</font></strong></span><span>{?><span class="string"><font color="#0000ff">"#"</font></span><span> onClick=</span><span class="string"><font color="#0000ff">"{if(confirm('该类别含有下属类别,必须先删除其下属类别方能删除本类别!')){return true;}return false;}"</font></span><span>>删除类别   </span></span><li class="alt"><span>           </span></li>
<li class=""><span>   <li class="alt"><span>   }  </span></li>
<li class=""><span>   ?>  </span></li>
<li class="alt"><span>         </span></li>
<li class=""><span>       </span></li>
<li class="alt"><span>     </span></li>
<li class=""><span>   </span></li>
<li class="alt"><span><li class="">
<span>     </span><span class="keyword"><strong><font color="#006699">break</font></strong></span><span>;  </span>
</li></span></li>
<li class="alt"><span>    }  </span></li>
<li class=""><span>    ?>  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span> </span></li>
<li class="alt"><span><span class="comment"><font color="#008200">///增加类别 </font></span><span> </span></span></li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">function</font></strong></span><span> add(){  </span>
</li></span></li>
<li class="alt">
<span>    @</span><span class="vars"><font color="#dd0000">$editid</font></span><span>=</span><span class="vars"><font color="#dd0000">$_REQUEST</font></span><span>[</span><span class="string"><font color="#0000ff">"editid"</font></span><span>];  </span>
</li></span><li class=""><span>?>  </span></li>
<li class="alt"><span>    <span class="string"><font color="#0000ff">"form1"</font></span><span> method=</span><span class="string"><font color="#0000ff">"post"</font></span><span> action=</span><span class="string"><font color="#0000ff">"?ToDo=saveadd"</font></span><span>>  </span></span></li>
<li class=""><span>         <span class="string"><font color="#0000ff">"90%"</font></span><span>   align=</span><span class="string"><font color="#0000ff">"center"</font></span><span> cellpadding=</span><span class="string"><font color="#0000ff">"3"</font></span><span> cellspacing=</span><span class="string"><font color="#0000ff">"1"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#CCCCCC"</font></span><span>>  </span></span></li>
<li class="alt"><span>           <span class="string"><font color="#0000ff">"#CCCCCC"</font></span><span>>  </span></span></li>
<li class=""><span>             <span class="string"><font color="#0000ff">"2"</font></span><span> align=</span><span class="string"><font color="#0000ff">"center"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#698FC7"</font></span><span>><span class="keyword"><strong><font color="#006699">class</font></strong></span><span>=</span><span class="string"><font color="#0000ff">"STYLE2"</font></span><span>>创建新的类别  </span></span><li class="alt"><span>                          </span></li>
<li class=""><span>             </span></li>
<li class="alt"><span>             <span class="string"><font color="#0000ff">"25%"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>类别名称:  </span></span></li>
<li class=""><span>             <span class="string"><font color="#0000ff">"75%"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>><span class="string"><font color="#0000ff">"typename"</font></span><span> type=</span><span class="string"><font color="#0000ff">"text"</font></span><span> id=</span><span class="string"><font color="#0000ff">"typename"</font></span><span>>  </span></span><li class="alt"><span>             </span></li>
<li class=""><span>             </span></li>
<li class="alt"><span>            <span class="string"><font color="#0000ff">"25%"</font></span><span> height=30 bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>所属类别  </span></span></li>
<li class=""><span>            <span class="string"><font color="#0000ff">"75%"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>   </span></span></li>
<li class="alt"><span>               </span></li>
<li class=""><span>             <span class="string"><font color="#0000ff">"0"</font></span><span>>做为主类别  </span></span></li>
<li class="alt"><span>             <li class="">
<span>     </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select * from b_mtype order by rootid,orders"</font></span><span>);     </span>
</li></span></li>
<li class="alt">
<span>     </span><span class="keyword"><strong><font color="#006699">while</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$query</font></span><span>)){ ?>  </span>
</li></span></li>
<li class=""><span>             <span class="string"><font color="#0000ff">"</font></span><span>typeid</span><span class="string"><font color="#0000ff">"]?>"</font></span><span> <span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$editid</font></span><span> == </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">'typeid'</font></span><span>]){ </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">" selected"</font></span><span>; }?>>  </span></span><li class="alt"><span>             <span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>]>0) {  </span></span></li>
<li class="">
<span>               </span><span class="keyword"><strong><font color="#006699">for</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$i</font></span><span>=1;</span><span class="vars"><font color="#dd0000">$i</font></span><span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>];</span><span class="vars"><font color="#dd0000">$i</font></span><span>++)  </span></span>
</li>
<li class="alt"><span>      {  </span></li>
<li class="">
<span>        </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"-"</font></span><span>;  </span>
</li></span></li>
<li class="alt"><span>          }  </span></li>
<li class=""><span>         </span></li>
<li class="alt"><span>              }?>  </span></li>
<li class=""><span>              <span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typename"</font></span><span>]?>  </span></span></li>
<li class="alt"><span>             <li class=""><span>           }    </span></li>
<li class="alt"><span>              ?>  </span></li>
<li class=""><span>               </span></li>
<li class="alt"><span>               </span></li>
<li class=""><span>             </span></li>
<li class="alt"><span>             </span></li>
<li class=""><span>             <span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>   </span></span></li>
<li class="alt"><span>             <span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>><span class="string"><font color="#0000ff">"submit"</font></span><span> name=</span><span class="string"><font color="#0000ff">"Submit"</font></span><span> value=</span><span class="string"><font color="#0000ff">"保存"</font></span><span>>  </span></span><li class=""><span>                 </span></li>
<li class="alt"><span>               <span class="string"><font color="#0000ff">"button"</font></span><span> name=</span><span class="string"><font color="#0000ff">"cancel"</font></span><span> id=</span><span class="string"><font color="#0000ff">"cancel"</font></span><span> value=</span><span class="string"><font color="#0000ff">"返回"</font></span><span> onclick=</span><span class="string"><font color="#0000ff">"history.go(-1);"</font></span><span> />  </span></span></li>
<li class=""><span>               </span></li>
<li class="alt"><span>             </span></li>
<li class=""><span>           </span></li>
<li class="alt"><span>  </span></li>
<li class=""><span>  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span><span class="comment"><font color="#008200">/////保存增加的类别 </font></span><span> </span></span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">function</font></strong></span><span> saveadd(){  </span>
</li></span></li>
<li class=""><span> </span></li>
<li class="alt">
<span></span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select typeid from b_mtype order by typeid desc limit 1"</font></span><span>);  </span>
</li></span></li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">while</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$query</font></span><span>)){  </span>
</li></span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (!</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typeid"</font></span><span>]){  </span>
</li></span><li class="">
<span>      </span><span class="vars"><font color="#dd0000">$postnum</font></span><span>=1;  </span>
</li></span></li>
<li class="alt"><span>    </span></li>
<li class="">
<span>}</span><span class="keyword"><strong><font color="#006699">else</font></strong></span><span>{  </span>
</li></span></li>
<li class="alt">
<span>      </span><span class="vars"><font color="#dd0000">$postnum</font></span><span>=</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typeid"</font></span><span>]+1;  </span>
</li></span></li>
<li class=""><span>    </span></li>
<li class="alt"><span>}     </span></li>
<li class=""><span>}  </span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(!</span><span class="vars"><font color="#dd0000">$postnum</font></span><span>) </span><span class="vars"><font color="#dd0000">$postnum</font></span><span>=1;  </span>
</li></span></li>
<li class=""><span> </span></li>
<li class="alt">
<span></span><span class="vars"><font color="#dd0000">$ntid</font></span><span>   =</span><span class="vars"><font color="#dd0000">$postnum</font></span><span>;  </span>
</li></span></li>
<li class="">
<span></span><span class="vars"><font color="#dd0000">$tn</font></span><span>     =</span><span class="vars"><font color="#dd0000">$_REQUEST</font></span><span>[</span><span class="string"><font color="#0000ff">"typename"</font></span><span>];  </span>
</li></span></li>
<li class="alt">
<span></span><span class="vars"><font color="#dd0000">$btype</font></span><span> =</span><span class="vars"><font color="#dd0000">$_REQUEST</font></span><span>[</span><span class="string"><font color="#0000ff">"btype"</font></span><span>];  </span>
</li></span><li class=""><span> </span></li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="comment"><font color="#008200">//echo $btype; </font></span><span> </span>
</li></span></li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$ntid</font></span><span>==</span><span class="string"><font color="#0000ff">""</font></span><span> </span><span class="keyword"><strong><font color="#006699">or</font></strong></span><span> </span><span class="vars"><font color="#dd0000">$tn</font></span><span>==</span><span class="string"><font color="#0000ff">""</font></span><span>)  </span>
</li></span></li>
<li class="alt"><span>{  </span></li>
<li class="">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;  </span>
</li>
<li class="alt">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"alert('参数有误,请重新填写.!');"</font></span><span>;  </span>
</li>
<li class="">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"location.href='?';"</font></span><span>;  </span>
</li>
<li class="alt">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;  </span>
</li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">die</font></strong></span><span>();  </span>
</li>
<li class="alt"><span>}  </span></li>
<li class=""><span> </span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$btype</font></span><span>!=0){  </span>
</li>
<li class=""><span>    </span></li>
<li class="alt">
<span>    </span><span class="vars"><font color="#dd0000">$result</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select rootid,typeid,depth,orders,parentstr from b_mtype where typeid='$btype'"</font></span><span>);  </span>
</li>
<li class="">
<span>    </span><span class="vars"><font color="#dd0000">$aa</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$result</font></span><span>);  </span>
</li>
<li class="alt">
<span>    </span><span class="vars"><font color="#dd0000">$rootid</font></span><span>=</span><span class="vars"><font color="#dd0000">$aa</font></span><span>[</span><span class="string"><font color="#0000ff">'rootid'</font></span><span>];  </span>
</li>
<li class="">
<span>    </span><span class="comment"><font color="#008200">//echo "aaaaaaaaaaa"; </font></span><span> </span>
</li>
<li class="alt">
<span>    </span><span class="vars"><font color="#dd0000">$parentid</font></span><span>=</span><span class="vars"><font color="#dd0000">$aa</font></span><span>[</span><span class="string"><font color="#0000ff">'typeid'</font></span><span>];  </span>
</li>
<li class="">
<span>    </span><span class="vars"><font color="#dd0000">$depth</font></span><span>=</span><span class="vars"><font color="#dd0000">$aa</font></span><span>[</span><span class="string"><font color="#0000ff">'depth'</font></span><span>];  </span>
</li>
<li class="alt">
<span>    </span><span class="vars"><font color="#dd0000">$orders</font></span><span>=</span><span class="vars"><font color="#dd0000">$aa</font></span><span>[</span><span class="string"><font color="#0000ff">'orders'</font></span><span>];  </span>
</li>
<li class="">
<span>    </span><span class="vars"><font color="#dd0000">$parentstr</font></span><span>=</span><span class="vars"><font color="#dd0000">$aa</font></span><span>[</span><span class="string"><font color="#0000ff">'parentstr'</font></span><span>];  </span>
</li>
<li class="alt">
<span>    </span><span class="comment"><font color="#008200">//echo $rootid; </font></span><span> </span>
</li>
<li class=""><span> </span></li>
<li class="alt">
<span>    </span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span>((</span><span class="vars"><font color="#dd0000">$aa</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>]+1)>20){   </span><span class="keyword"><strong><font color="#006699">die</font></strong></span><span>(</span><span class="string"><font color="#0000ff">"本分类限制最多只能有20级分类"</font></span><span>); }  </span>
</li>
<li class=""><span> </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span> </span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$ntid</font></span><span> == </span><span class="vars"><font color="#dd0000">$btype</font></span><span>)  </span>
</li>
<li class=""><span>{  </span></li>
<li class="alt">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;  </span>
</li>
<li class="">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"alert('您所指定的typeid值重复!');"</font></span><span>;  </span>
</li>
<li class="alt">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"location.href='?';"</font></span><span>;  </span>
</li>
<li class="">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;  </span>
</li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">die</font></strong></span><span>();  </span>
</li>
<li class=""><span>}  </span></li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$btype</font></span><span>!=0){  </span>
</li>
<li class="alt"><span> </span></li>
<li class="">
<span>   </span><span class="vars"><font color="#dd0000">$depth</font></span><span>=</span><span class="vars"><font color="#dd0000">$depth</font></span><span>+1;  </span>
</li>
<li class="alt">
<span>   </span><span class="vars"><font color="#dd0000">$rootid</font></span><span>=</span><span class="vars"><font color="#dd0000">$rootid</font></span><span>;  </span>
</li>
<li class="">
<span>   </span><span class="vars"><font color="#dd0000">$orders</font></span><span> =</span><span class="vars"><font color="#dd0000">$ntid</font></span><span>;  </span>
</li>
<li class="alt">
<span>   </span><span class="vars"><font color="#dd0000">$parentid</font></span><span> =</span><span class="vars"><font color="#dd0000">$btype</font></span><span>;  </span>
</li>
<li class="">
<span>   </span><span class="comment"><font color="#008200">//$child = $child; </font></span><span> </span>
</li>
<li class="alt">
<span>   </span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$parentstr</font></span><span>==</span><span class="string"><font color="#0000ff">"0"</font></span><span>){  </span>
</li>
<li class="">
<span>      </span><span class="vars"><font color="#dd0000">$parentstr</font></span><span>=</span><span class="vars"><font color="#dd0000">$btype</font></span><span>;  </span>
</li>
<li class="alt">
<span>   }</span><span class="keyword"><strong><font color="#006699">else</font></strong></span><span>{  </span>
</li>
<li class="">
<span>      </span><span class="vars"><font color="#dd0000">$parentstr</font></span><span>=</span><span class="vars"><font color="#dd0000">$parentstr</font></span><span>.</span><span class="string"><font color="#0000ff">","</font></span><span>.</span><span class="vars"><font color="#dd0000">$btype</font></span><span>;  </span>
</li>
<li class="alt"><span>   }  </span></li>
<li class=""><span> </span></li>
<li class="alt">
<span>}</span><span class="keyword"><strong><font color="#006699">else</font></strong></span><span>{  </span>
</li>
<li class="">
<span>   </span><span class="vars"><font color="#dd0000">$depth</font></span><span>=0;  </span>
</li>
<li class="alt">
<span>   </span><span class="vars"><font color="#dd0000">$rootid</font></span><span>=</span><span class="vars"><font color="#dd0000">$ntid</font></span><span>;  </span>
</li>
<li class="">
<span>   </span><span class="vars"><font color="#dd0000">$orders</font></span><span>=1;  </span>
</li>
<li class="alt">
<span>   </span><span class="vars"><font color="#dd0000">$parentid</font></span><span>=0;  </span>
</li>
<li class="">
<span>   </span><span class="vars"><font color="#dd0000">$child</font></span><span>=0;  </span>
</li>
<li class="alt">
<span>   </span><span class="vars"><font color="#dd0000">$parentstr</font></span><span>=0;  </span>
</li>
<li class=""><span>}  </span></li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="comment"><font color="#008200">//插入类别 </font></span><span> </span>
</li>
<li class="alt">
<span></span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"insert into b_mtype values('$ntid','$tn','$parentid','$parentstr','$depth','$rootid','','$orders')"</font></span><span>) ;  </span>
</li>
<li class="">
<span></span><span class="comment"><font color="#008200">//用于调试 echo "insert into b_mtype values('$ntid','$tn','$parentid','$parentstr','$depth','$rootid','','$orders')"; </font></span><span> </span>
</li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$btype</font></span><span>!=0)  </span>
</li>
<li class="alt"><span>   {  </span></li>
<li class="">
<span>      </span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$depth</font></span><span>>0)  </span>
</li>
<li class="alt"><span>      {  </span></li>
<li class="">
<span>         </span><span class="comment"><font color="#008200">//当上级分类深度大于0的时候要更新其父类或父类的父类)的版面数和相关排序 </font></span><span> </span>
</li>
<li class="alt">
<span>         </span><span class="keyword"><strong><font color="#006699">for</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$i</font></span><span>=1;</span><span class="vars"><font color="#dd0000">$i</font></span><span><span class="vars"><font color="#dd0000">$depth</font></span><span>;</span><span class="vars"><font color="#dd0000">$i</font></span><span>++){  </span></span>
</li>
<li class="">
<span>            </span><span class="comment"><font color="#008200">//更新其父类版面数 </font></span><span> </span>
</li>
<li class="alt">
<span>            </span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$parentid</font></span><span>!=</span><span class="string"><font color="#0000ff">""</font></span><span>){  </span>
</li>
<li class="">
<span>               </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"update b_mtype set child=child+1 where typeid='$parentid'"</font></span><span>);  </span>
</li>
<li class="alt"><span>            }  </span></li>
<li class="">
<span>            </span><span class="comment"><font color="#008200">//得到其父类的父类的版面ID </font></span><span> </span>
</li>
<li class="alt">
<span>            </span><span class="vars"><font color="#dd0000">$result</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select parentid from b_mtype where typeid='$parentid'"</font></span><span>);  </span>
</li>
<li class="">
<span>            </span><span class="vars"><font color="#dd0000">$par</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$result</font></span><span>);  </span>
</li>
<li class="alt"><span>    </span></li>
<li class="">
<span>            </span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$par</font></span><span>[</span><span class="string"><font color="#0000ff">'parentid'</font></span><span>]!=</span><span class="string"><font color="#0000ff">""</font></span><span>){  </span>
</li>
<li class="alt">
<span>              </span><span class="vars"><font color="#dd0000">$parentid</font></span><span>=</span><span class="vars"><font color="#dd0000">$par</font></span><span>[</span><span class="string"><font color="#0000ff">'parentid'</font></span><span>];  </span>
</li>
<li class=""><span>            }  </span></li>
<li class="alt">
<span>            </span><span class="comment"><font color="#008200">//当循环次数大于1并且运行到最后一次循环的时候直接进行更新 </font></span><span> </span>
</li>
<li class="">
<span>            </span><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$i</font></span><span>==</span><span class="vars"><font color="#dd0000">$depth</font></span><span> && </span><span class="vars"><font color="#dd0000">$parentid</font></span><span>!=</span><span class="string"><font color="#0000ff">""</font></span><span>){  </span>
</li>
<li class="alt">
<span>              </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"update b_mtype set child=child+1 where typeid='$parentid'"</font></span><span>);  </span>
</li>
<li class=""><span>            }  </span></li>
<li class="alt">
<span>          }</span><span class="comment"><font color="#008200">//for循环结束 </font></span><span> </span>
</li>
<li class="">
<span>          </span><span class="comment"><font color="#008200">//更新该版面排序以及大于本需要和同在本分类下的版面排序序号 </font></span><span> </span>
</li>
<li class="alt">
<span>          </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"update b_mtype set orders=orders+1 where rootid='$rootid' and orders>'$orders'"</font></span><span>);  </span>
</li>
<li class="">
<span>          </span><span class="comment"><font color="#008200">//$orders1=$orders+1; </font></span><span> </span>
</li>
<li class="alt">
<span>          </span><span class="comment"><font color="#008200">//echo "orders1=".$orders1; </font></span><span> </span>
</li>
<li class="">
<span>          </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"update b_mtype set orders='$orders'+1 where typeid='$ntid'"</font></span><span>);    </span>
</li>
<li class="alt"><span>    </span></li>
<li class="">
<span>        }</span><span class="keyword"><strong><font color="#006699">else</font></strong></span><span>{  </span><span class="comment"><font color="#008200">//对应if ($depth>0),当上级分类深度为0的时候只要更新上级分类版面数和该版面排序序号即可   </font></span><span> </span>
</li>
<li class="alt">
<span>        </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"update b_mtype set child=child+1 where typeid='$btype'"</font></span><span>);  </span>
</li>
<li class="">
<span>        </span><span class="vars"><font color="#dd0000">$result</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select max(orders) from b_mtype where typeid='$ntid'"</font></span><span>);  </span>
</li>
<li class="alt">
<span>        </span><span class="vars"><font color="#dd0000">$ord</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$result</font></span><span>);     </span>
</li>
<li class="">
<span>        </span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"update b_mtype set orders='$ord[0]'+1 where typeid='$ntid'"</font></span><span>);  </span>
</li>
<li class="alt"><span>        }  </span></li>
<li class=""><span>      </span></li>
<li class="alt"><span>}  </span></li>
<li class=""><span>   </span></li>
<li class="alt">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;  </span>
</li>
<li class="">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"alert('类别添加成功!');"</font></span><span>;  </span>
</li>
<li class="alt">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"location.href='?';"</font></span><span>;  </span>
</li>
<li class="">
<span></span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">""</font></span><span>;  </span>
</li>
<li class="alt"><span>}  </span></li>
<li class=""><span>?>  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span><span class="comment"><font color="#008200">////修改设置 </font></span><span> </span></span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">function</font></strong></span><span> edit(){  </span>
</li>
<li class="">
<span>   </span><span class="comment"><font color="#008200">//global $db,$editid,$tn,$arr; </font></span><span> </span>
</li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="vars"><font color="#dd0000">$editid</font></span><span>=</span><span class="vars"><font color="#dd0000">$_REQUEST</font></span><span>[</span><span class="string"><font color="#0000ff">"editid"</font></span><span>];  </span>
</li>
<li class="alt"><span> </span></li>
<li class="">
<span></span><span class="vars"><font color="#dd0000">$result</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select * from b_mtype where typeid='$editid'"</font></span><span>);  </span>
</li>
<li class="alt">
<span></span><span class="vars"><font color="#dd0000">$tn</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$result</font></span><span>);  </span>
</li>
<li class=""><span>?>       </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"form2"</font></span><span> action =</span><span class="string"><font color="#0000ff">"?ToDo=saveedit"</font></span><span> method=</span><span class="string"><font color="#0000ff">"post"</font></span><span>>         </span></span></li>
<li class=""><span><span class="string"><font color="#0000ff">"hidden"</font></span><span> name=</span><span class="string"><font color="#0000ff">"editid"</font></span><span> value=</span><span class="string"><font color="#0000ff">""</font></span><span>>  </span></span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"90%"</font></span><span> border=</span><span class="string"><font color="#0000ff">"0"</font></span><span>   align=center cellpadding=</span><span class="string"><font color="#0000ff">"3"</font></span><span> cellspacing=</span><span class="string"><font color="#0000ff">"1"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#CCCCCC"</font></span><span>>  </span></span></li>
<li class=""><span>   </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"#698FC7"</font></span><span> </span><span class="keyword"><strong><font color="#006699">class</font></strong></span><span>=</span><span class="string"><font color="#0000ff">"STYLE2"</font></span><span>>编辑类别:<span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$tn</font></span><span>[</span><span class="string"><font color="#0000ff">"typename"</font></span><span>];?>  </span></span><li class=""><span>  </span></li>
<li class="alt"><span>   </span></li>
<li class=""><span><span class="string"><font color="#0000ff">"44%"</font></span><span> height=30 bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>类别名称  </span></span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"56%"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>   </span></span></li>
<li class=""><span><span class="string"><font color="#0000ff">"text"</font></span><span> name=</span><span class="string"><font color="#0000ff">"typename"</font></span><span> size=</span><span class="string"><font color="#0000ff">"35"</font></span><span>   value=</span><span class="string"><font color="#0000ff">"</font></span><span>typename</span><span class="string"><font color="#0000ff">"];?>"</font></span><span>>  </span></span></li>
<li class="alt"><span>  </span></li>
<li class=""><span>  </span></li>
<li class="alt"><span> </span></li>
<li class=""><span>   </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"44%"</font></span><span> height=30 bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>所属类别  </span></span></li>
<li class=""><span>      <span class="keyword"><strong><font color="#006699">class</font></strong></span><span>=</span><span class="string"><font color="#0000ff">"STYLE1"</font></span><span>>特别提示:  </span></span></li>
<li class="alt"><span>    所属类别不能指定当前类别(即自己)为父类别  </span></li>
<li class=""><span>    所属类别不能指定当前类别的子类别为父类别  </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"56%"</font></span><span> bgcolor=</span><span class="string"><font color="#0000ff">"#FFFFFF"</font></span><span>>   </span></span></li>
<li class=""><span><span class="string"><font color="#0000ff">"class"</font></span><span>>  </span></span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">"0"</font></span><span>>做为主类别  </span></span></li>
<li class=""><span><li class="alt">
<span></span><span class="vars"><font color="#dd0000">$query</font></span><span>=mysql_query(</span><span class="string"><font color="#0000ff">"select * from b_mtype order by rootid,orders"</font></span><span>);  </span>
</li></span></li>
<li class=""><span> </span></li>
<li class="alt">
<span></span><span class="keyword"><strong><font color="#006699">while</font></strong></span><span>(</span><span class="vars"><font color="#dd0000">$arr</font></span><span>=mysql_fetch_array(</span><span class="vars"><font color="#dd0000">$query</font></span><span>))  </span>
</li></span></li>
<li class=""><span>{ ?>  </span></li>
<li class="alt"><span><span class="string"><font color="#0000ff">""</font></span><span> <span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$tn</font></span><span>[</span><span class="string"><font color="#0000ff">"parentid"</font></span><span>] == </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typeid"</font></span><span>]) { </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"selected"</font></span><span>; } ?>><span class="keyword"><strong><font color="#006699">if</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>]>0) {?>  </span></span><li class=""><span><span class="keyword"><strong><font color="#006699">for</font></strong></span><span> (</span><span class="vars"><font color="#dd0000">$i</font></span><span>=1;</span><span class="vars"><font color="#dd0000">$i</font></span><span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"depth"</font></span><span>];</span><span class="vars"><font color="#dd0000">$i</font></span><span>++){ </span><span class="func">echo</span><span> </span><span class="string"><font color="#0000ff">"-"</font></span><span>;}?>  </span></span><li class="alt"><span><span class="func">echo</span><span> </span><span class="vars"><font color="#dd0000">$arr</font></span><span>[</span><span class="string"><font color="#0000ff">"typename"</font></span><span>]?>  </span></span></li>
<li class=""><span><li class="alt"><span>}  </span></li>
<li class=""><span>?>  </span></li>
<li class="alt"><span>  </span></li>
<li class=""><span>  </span></li>
<li class="alt"><span>  </span></li>
<li class=""><span> </span></li>
<li class="alt"><span>   </span></li>
<li class=""><span><span class="string"><font color="#0000ff">"44%"</font></span><span> height=2</span></span></li></span></li></span></li></span></span></li>
</ol>
Salin selepas log masuk
Kenyataan Laman Web ini
Kandungan artikel ini disumbangkan secara sukarela oleh netizen, dan hak cipta adalah milik pengarang asal. Laman web ini tidak memikul tanggungjawab undang-undang yang sepadan. Jika anda menemui sebarang kandungan yang disyaki plagiarisme atau pelanggaran, sila hubungi admin@php.cn

Alat AI Hot

Undresser.AI Undress

Undresser.AI Undress

Apl berkuasa AI untuk mencipta foto bogel yang realistik

AI Clothes Remover

AI Clothes Remover

Alat AI dalam talian untuk mengeluarkan pakaian daripada foto.

Undress AI Tool

Undress AI Tool

Gambar buka pakaian secara percuma

Clothoff.io

Clothoff.io

Penyingkiran pakaian AI

Video Face Swap

Video Face Swap

Tukar muka dalam mana-mana video dengan mudah menggunakan alat tukar muka AI percuma kami!

Alat panas

Notepad++7.3.1

Notepad++7.3.1

Editor kod yang mudah digunakan dan percuma

SublimeText3 versi Cina

SublimeText3 versi Cina

Versi Cina, sangat mudah digunakan

Hantar Studio 13.0.1

Hantar Studio 13.0.1

Persekitaran pembangunan bersepadu PHP yang berkuasa

Dreamweaver CS6

Dreamweaver CS6

Alat pembangunan web visual

SublimeText3 versi Mac

SublimeText3 versi Mac

Perisian penyuntingan kod peringkat Tuhan (SublimeText3)

Panduan Pemasangan dan Naik Taraf PHP 8.4 untuk Ubuntu dan Debian Panduan Pemasangan dan Naik Taraf PHP 8.4 untuk Ubuntu dan Debian Dec 24, 2024 pm 04:42 PM

PHP 8.4 membawa beberapa ciri baharu, peningkatan keselamatan dan peningkatan prestasi dengan jumlah penamatan dan penyingkiran ciri yang sihat. Panduan ini menerangkan cara memasang PHP 8.4 atau naik taraf kepada PHP 8.4 pada Ubuntu, Debian, atau terbitan mereka

7 Fungsi PHP Saya Menyesal Saya Tidak Tahu Sebelum ini 7 Fungsi PHP Saya Menyesal Saya Tidak Tahu Sebelum ini Nov 13, 2024 am 09:42 AM

Jika anda seorang pembangun PHP yang berpengalaman, anda mungkin merasakan bahawa anda telah berada di sana dan telah melakukannya. Anda telah membangunkan sejumlah besar aplikasi, menyahpenyahpepijat berjuta-juta baris kod dan mengubah suai sekumpulan skrip untuk mencapai op

Cara Menyediakan Kod Visual Studio (Kod VS) untuk Pembangunan PHP Cara Menyediakan Kod Visual Studio (Kod VS) untuk Pembangunan PHP Dec 20, 2024 am 11:31 AM

Kod Visual Studio, juga dikenali sebagai Kod VS, ialah editor kod sumber percuma — atau persekitaran pembangunan bersepadu (IDE) — tersedia untuk semua sistem pengendalian utama. Dengan koleksi sambungan yang besar untuk banyak bahasa pengaturcaraan, Kod VS boleh menjadi c

Jelaskan JSON Web Tokens (JWT) dan kes penggunaannya dalam PHP API. Jelaskan JSON Web Tokens (JWT) dan kes penggunaannya dalam PHP API. Apr 05, 2025 am 12:04 AM

JWT adalah standard terbuka berdasarkan JSON, yang digunakan untuk menghantar maklumat secara selamat antara pihak, terutamanya untuk pengesahan identiti dan pertukaran maklumat. 1. JWT terdiri daripada tiga bahagian: header, muatan dan tandatangan. 2. Prinsip kerja JWT termasuk tiga langkah: menjana JWT, mengesahkan JWT dan muatan parsing. 3. Apabila menggunakan JWT untuk pengesahan di PHP, JWT boleh dijana dan disahkan, dan peranan pengguna dan maklumat kebenaran boleh dimasukkan dalam penggunaan lanjutan. 4. Kesilapan umum termasuk kegagalan pengesahan tandatangan, tamat tempoh, dan muatan besar. Kemahiran penyahpepijatan termasuk menggunakan alat debugging dan pembalakan. 5. Pengoptimuman prestasi dan amalan terbaik termasuk menggunakan algoritma tandatangan yang sesuai, menetapkan tempoh kesahihan dengan munasabah,

Program PHP untuk mengira vokal dalam rentetan Program PHP untuk mengira vokal dalam rentetan Feb 07, 2025 pm 12:12 PM

Rentetan adalah urutan aksara, termasuk huruf, nombor, dan simbol. Tutorial ini akan mempelajari cara mengira bilangan vokal dalam rentetan yang diberikan dalam PHP menggunakan kaedah yang berbeza. Vokal dalam bahasa Inggeris adalah a, e, i, o, u, dan mereka boleh menjadi huruf besar atau huruf kecil. Apa itu vokal? Vokal adalah watak abjad yang mewakili sebutan tertentu. Terdapat lima vokal dalam bahasa Inggeris, termasuk huruf besar dan huruf kecil: a, e, i, o, u Contoh 1 Input: String = "TutorialSpoint" Output: 6 menjelaskan Vokal dalam rentetan "TutorialSpoint" adalah u, o, i, a, o, i. Terdapat 6 yuan sebanyak 6

Bagaimana anda menghuraikan dan memproses HTML/XML dalam PHP? Bagaimana anda menghuraikan dan memproses HTML/XML dalam PHP? Feb 07, 2025 am 11:57 AM

Tutorial ini menunjukkan cara memproses dokumen XML dengan cekap menggunakan PHP. XML (bahasa markup extensible) adalah bahasa markup berasaskan teks yang serba boleh yang direka untuk pembacaan manusia dan parsing mesin. Ia biasanya digunakan untuk penyimpanan data

Terangkan pengikatan statik lewat dalam php (statik: :). Terangkan pengikatan statik lewat dalam php (statik: :). Apr 03, 2025 am 12:04 AM

Mengikat statik (statik: :) Melaksanakan pengikatan statik lewat (LSB) dalam PHP, yang membolehkan kelas panggilan dirujuk dalam konteks statik dan bukannya menentukan kelas. 1) Proses parsing dilakukan pada masa runtime, 2) Cari kelas panggilan dalam hubungan warisan, 3) ia boleh membawa overhead prestasi.

Apakah kaedah Magic PHP (__construct, __destruct, __call, __get, __set, dll) dan menyediakan kes penggunaan? Apakah kaedah Magic PHP (__construct, __destruct, __call, __get, __set, dll) dan menyediakan kes penggunaan? Apr 03, 2025 am 12:03 AM

Apakah kaedah sihir PHP? Kaedah sihir PHP termasuk: 1. \ _ \ _ Membina, digunakan untuk memulakan objek; 2. \ _ \ _ Destruct, digunakan untuk membersihkan sumber; 3. \ _ \ _ Call, mengendalikan panggilan kaedah yang tidak wujud; 4. \ _ \ _ Mendapatkan, melaksanakan akses atribut dinamik; 5. \ _ \ _ Set, melaksanakan tetapan atribut dinamik. Kaedah ini secara automatik dipanggil dalam situasi tertentu, meningkatkan fleksibiliti dan kecekapan kod.

See all articles