jQuery+PHP+MySQL简单无限级联实现-php手册-php.cn

Maison

php教程

php手册

jQuery+PHP+MySQL简单无限级联实现

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 06, 2016 pm 07:47 PM

实现无限简单 Cascade

本文简单实现jQuery无限级联效果。主要包含3个文件：index.html（主页），wuxianjilian.php（数据处理），wuxianjilian.sql（MySQL数据文件） 1. index.html 1 html 2 head 3 title 无限级联 / title 4 meta http-equiv ="Content-Type" content ="text/htm

本文简单实现jQuery无限级联效果。

主要包含3个文件：index.html（主页），wuxianjilian.php（数据处理），wuxianjilian.sql（MySQL数据文件）

1. index.html

<span> 1</span> <span><span>html</span><span>></span>
<span> 2</span> <span><span>head</span><span>></span>
<span> 3</span>     <span><span>title</span><span>></span>无限级联<span></span><span>title</span><span>></span>
<span> 4</span>     <span><span>meta </span><span>http-equiv</span><span>="Content-Type"</span><span> content</span><span>="text/html; charset=utf-8"</span> <span>/></span>
<span> 5</span>     <span><span>meta </span><span>http-equiv</span><span>="Content-Language"</span><span> content</span><span>="zh-CN"</span> <span>/></span>
<span> 6</span>     <span><span>script </span><span>type</span><span>="text/javascript"</span><span> src</span><span>="http://files.cnblogs.com/Zjmainstay/jquery-1.6.2.min.js"</span><span>></span><span>script</span><span>></span>
<span> 7</span> <span></span><span>head</span><span>></span>
<span> 8</span> <span><span>body</span><span>></span>
<span> 9</span> <span><span>div </span><span>id</span><span>="jilianContainer"</span><span>></span><span>div</span><span>></span>
<span>10</span> <span><span>script </span><span>type</span><span>="text/javascript"</span><span>></span>
<span>11</span> <span>$(document).ready(</span><span>function</span><span>(){
</span><span>12</span>     <span>var</span><span> getData </span><span>=</span> <span>function</span><span>(obj){
</span><span>13</span> <span>        $.ajax({
</span><span>14</span> <span>            url:</span><span>'</span><span>wuxianjilian.php</span><span>'</span><span>,
</span><span>15</span> <span>            type:</span><span>'</span><span>POST</span><span>'</span><span>,
</span><span>16</span> <span>            data:{</span><span>"</span><span>pid</span><span>"</span><span>:obj.val()},
</span><span>17</span> <span>            dataType:</span><span>'</span><span>json</span><span>'</span><span>,
</span><span>18</span> <span>            async:</span><span>false</span><span>,
</span><span>19</span> <span>            success:</span><span>function</span><span>(data){
</span><span>20</span>                 <span>if</span><span>($(</span><span>"</span><span>.selection</span><span>"</span><span>).length){
</span><span>21</span> <span>                    $(</span><span>"</span><span>.selection:gt(</span><span>"</span><span>+</span><span>$(obj).index()</span><span>+</span><span>"</span><span>)</span><span>"</span><span>).remove();    </span><span>//</span><span>移除后面所有子级下拉菜单</span>
<span>22</span> <span>                    $(</span><span>"</span><span>.selection:last</span><span>"</span><span>).after(data);                    </span><span>//</span><span>添加子级下拉菜单</span>
<span>23</span> <span>                }</span><span>else</span><span> {
</span><span>24</span> <span>                    $(</span><span>"</span><span>#jilianContainer</span><span>"</span><span>).append(data);                    </span><span>//</span><span>初始加载情况</span>
<span>25</span> <span>                }
</span><span>26</span>                 <span>//</span><span>所有下拉响应</span>
<span>27</span> <span>                $(</span><span>"</span><span>.selection</span><span>"</span><span>).unbind().change(</span><span>function</span><span>(){
</span><span>28</span> <span>                    getData($(</span><span>this</span><span>));
</span><span>29</span> <span>                });
</span><span>30</span> <span>            },
</span><span>31</span> <span>            error:</span><span>function</span><span>(msg){
</span><span>32</span> <span>                alert(</span><span>'</span><span>error</span><span>'</span><span>);
</span><span>33</span> <span>            }
</span><span>34</span> <span>        });
</span><span>35</span> <span>    }
</span><span>36</span>     
<span>37</span>     <span>//</span><span>Init</span>
<span>38</span> <span>    getData($(</span><span>this</span><span>));
</span><span>39</span>     
<span>40</span> <span>});
</span><span>41</span> <span></span><span>script</span><span>></span>
<span>42</span> 
<span>43</span> <span><!--</span><span> 数据存储示例，仅提取数据，不做操作 </span><span>--></span>
<span>44</span> 
<span>45</span> <span><span>div </span><span>style</span><span>="height:100px;display:block;"</span><span>></span><span>div</span><span>></span>
<span>46</span> <span><span>input </span><span>type</span><span>="button"</span><span> value</span><span>="存储数据"</span><span> id</span><span>="save"</span><span>></span><span>input</span><span>></span>
<span>47</span> <span><span>script </span><span>type</span><span>="text/javascript"</span><span>></span>
<span>48</span> <span>$(document).ready(</span><span>function</span><span>(){
</span><span>49</span> <span>    $(</span><span>"</span><span>#save</span><span>"</span><span>).click(</span><span>function</span><span>(){
</span><span>50</span>         <span>var</span><span> data </span><span>=</span><span> [];
</span><span>51</span> <span>        $(</span><span>"</span><span>.selection</span><span>"</span><span>).each(</span><span>function</span><span>(){
</span><span>52</span> <span>            data.push($.trim($(</span><span>this</span><span>).val()));
</span><span>53</span> <span>        })
</span><span>54</span>         
<span>55</span> <span>        alert(data.join(</span><span>'</span><span>,</span><span>'</span><span>));
</span><span>56</span> <span>    });
</span><span>57</span> <span>});
</span><span>58</span> <span></span><span>script</span><span>></span>
<span>59</span> 
<span>60</span> <span></span><span>body</span><span>></span>
<span>61</span> <span></span><span>html</span><span>></span></span></span></span></span></span></span></span></span></span></span></span></span>

Copier après la connexion

2. wuxianjilian.php

<span> 1</span> <span>php
</span><span> 2</span>     <span>header</span>("Content-type: text/html; charset=utf-8"<span>); 
</span><span> 3</span> 
<span> 4</span>     <span>//</span><span>数据库连接操作</span>
<span> 5</span>     <span>$conn</span> = <span>mysql_connect</span>("localhost","Zjmainstay","") or <span>die</span>("Can not connect to database.Fatal error handle by ". <span>__FILE__</span><span>);
</span><span> 6</span>     <span>mysql_select_db</span>("test",<span>$conn</span>);            <span>//</span><span>数据库名为 test</span>
<span> 7</span>     <span>mysql_query</span>("SET NAMES utf8",<span>$conn</span><span>);
</span><span> 8</span>     
<span> 9</span>     <span>//</span><span>获取父级id</span>
<span>10</span>     <span>$pid</span> = (int)<span>$_POST</span>['pid'<span>];
</span><span>11</span>     
<span>12</span>     <span>//</span><span>查询子级</span>
<span>13</span>     <span>$sql</span> = "SELECT id,text FROM `wuxianjilian` WHERE pid={<span>$pid</span>}"<span>;
</span><span>14</span>     <span>$result</span> = <span>mysql_query</span>(<span>$sql</span>,<span>$conn</span><span>);
</span><span>15</span>     
<span>16</span>     <span>//</span><span>组装子级下拉菜单</span>
<span>17</span>     <span>$html</span> = ''<span>;
</span><span>18</span>     <span>while</span>(<span>$row</span> = <span>mysql_fetch_assoc</span>(<span>$result</span><span>)){
</span><span>19</span>         <span>$html</span> .= '<option value="'.<span>$row</span>['id'].'">'.<span>$row</span>['text'].'</option>'<span>;
</span><span>20</span> <span>    }
</span><span>21</span> 
<span>22</span>     <span>if</span>(!<span>empty</span>(<span>$html</span>)) <span>$html</span> = '<select class="selection"><option value="">请选择</option>' . <span>$html</span> . '</select>'<span>;
</span><span>23</span>     
<span>24</span>     <span>//</span><span>输出下拉菜单</span>
<span>25</span>     <span>echo</span> json_encode(<span>$html</span><span>);
</span><span>26</span> <span>//</span><span>End_php</span>

Copier après la connexion

3. wuxianjilian.sql

<span> 1</span> <span>wuxianjilian.sql
</span><span> 2</span> <span>/*</span>
<span> 3</span> <span>Navicat MySQL Data Transfer
</span><span> 4</span> 
<span> 5</span> <span>Source Server         : localhost
</span><span> 6</span> <span>Source Server Version : 50516
</span><span> 7</span> <span>Source Host           : localhost:3306
</span><span> 8</span> <span>Source Database       : test
</span><span> 9</span> 
<span>10</span> <span>Target Server Type    : MYSQL
</span><span>11</span> <span>Target Server Version : 50516
</span><span>12</span> <span>File Encoding         : 65001
</span><span>13</span> 
<span>14</span> <span>Date: 2012-10-24 20:59:09
</span><span>15</span> <span>*/</span>
<span>16</span> 
<span>17</span> <span>SET</span> FOREIGN_KEY_CHECKS<span>=</span><span>0</span><span>;
</span><span>18</span> <span>--</span><span> ----------------------------</span>
<span>19</span> <span>--</span><span> Table structure for `wuxianjilian`</span>
<span>20</span> <span>--</span><span> ----------------------------</span>
<span>21</span> <span>DROP</span> <span>TABLE</span> <span>IF</span> <span>EXISTS</span><span> `wuxianjilian`;
</span><span>22</span> <span>CREATE</span> <span>TABLE</span><span> `wuxianjilian` (
</span><span>23</span>   `id` <span>int</span>(<span>11</span>) <span>NOT</span> <span>NULL</span><span> AUTO_INCREMENT,
</span><span>24</span>   `pid` <span>int</span>(<span>11</span>) <span>DEFAULT</span> <span>NULL</span><span>,
</span><span>25</span>   `<span>text</span>` <span>varchar</span>(<span>32</span>) <span>DEFAULT</span> <span>NULL</span><span>,
</span><span>26</span>   <span>PRIMARY</span> <span>KEY</span><span> (`id`)
</span><span>27</span> ) ENGINE<span>=</span>InnoDB AUTO_INCREMENT<span>=</span><span>22</span> <span>DEFAULT</span> CHARSET<span>=</span><span>utf8;
</span><span>28</span> 
<span>29</span> <span>--</span><span> ----------------------------</span>
<span>30</span> <span>--</span><span> Records of wuxianjilian</span>
<span>31</span> <span>--</span><span> ----------------------------</span>
<span>32</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>1</span><span>'</span>, <span>'</span><span>0</span><span>'</span>, <span>'</span><span>A0</span><span>'</span><span>);
</span><span>33</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>2</span><span>'</span>, <span>'</span><span>0</span><span>'</span>, <span>'</span><span>B0</span><span>'</span><span>);
</span><span>34</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>3</span><span>'</span>, <span>'</span><span>1</span><span>'</span>, <span>'</span><span>C1</span><span>'</span><span>);
</span><span>35</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>4</span><span>'</span>, <span>'</span><span>1</span><span>'</span>, <span>'</span><span>D1</span><span>'</span><span>);
</span><span>36</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>5</span><span>'</span>, <span>'</span><span>1</span><span>'</span>, <span>'</span><span>E1</span><span>'</span><span>);
</span><span>37</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>6</span><span>'</span>, <span>'</span><span>2</span><span>'</span>, <span>'</span><span>F2</span><span>'</span><span>);
</span><span>38</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>7</span><span>'</span>, <span>'</span><span>2</span><span>'</span>, <span>'</span><span>G2</span><span>'</span><span>);
</span><span>39</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>8</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>H3</span><span>'</span><span>);
</span><span>40</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>9</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>I3</span><span>'</span><span>);
</span><span>41</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>10</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>J3</span><span>'</span><span>);
</span><span>42</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>11</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>K3</span><span>'</span><span>);
</span><span>43</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>12</span><span>'</span>, <span>'</span><span>4</span><span>'</span>, <span>'</span><span>L4</span><span>'</span><span>);
</span><span>44</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>13</span><span>'</span>, <span>'</span><span>4</span><span>'</span>, <span>'</span><span>M4</span><span>'</span><span>);
</span><span>45</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>14</span><span>'</span>, <span>'</span><span>8</span><span>'</span>, <span>'</span><span>N8</span><span>'</span><span>);
</span><span>46</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>15</span><span>'</span>, <span>'</span><span>9</span><span>'</span>, <span>'</span><span>N9</span><span>'</span><span>);
</span><span>47</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>16</span><span>'</span>, <span>'</span><span>14</span><span>'</span>, <span>'</span><span>O14</span><span>'</span><span>);
</span><span>48</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>17</span><span>'</span>, <span>'</span><span>14</span><span>'</span>, <span>'</span><span>P14</span><span>'</span><span>);
</span><span>49</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>18</span><span>'</span>, <span>'</span><span>14</span><span>'</span>, <span>'</span><span>Q14</span><span>'</span><span>);
</span><span>50</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>19</span><span>'</span>, <span>'</span><span>17</span><span>'</span>, <span>'</span><span>R17</span><span>'</span><span>);
</span><span>51</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>20</span><span>'</span>, <span>'</span><span>17</span><span>'</span>, <span>'</span><span>S18</span><span>'</span><span>);
</span><span>52</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>21</span><span>'</span>, <span>'</span><span>20</span><span>'</span>, <span>'</span><span>T20</span><span>'</span>);

Copier après la connexion

<span> 1</span> <span>/*</span>
<span> 2</span> <span>Navicat MySQL Data Transfer
</span><span> 3</span> 
<span> 4</span> <span>Source Server         : localhost
</span><span> 5</span> <span>Source Server Version : 50516
</span><span> 6</span> <span>Source Host           : localhost:3306
</span><span> 7</span> <span>Source Database       : test
</span><span> 8</span> 
<span> 9</span> <span>Target Server Type    : MYSQL
</span><span>10</span> <span>Target Server Version : 50516
</span><span>11</span> <span>File Encoding         : 65001
</span><span>12</span> 
<span>13</span> <span>Date: 2012-10-24 20:59:09
</span><span>14</span> <span>*/</span>
<span>15</span> 
<span>16</span> <span>SET</span> FOREIGN_KEY_CHECKS<span>=</span><span>0</span><span>;
</span><span>17</span> <span>--</span><span> ----------------------------</span>
<span>18</span> <span>--</span><span> Table structure for `wuxianjilian`</span>
<span>19</span> <span>--</span><span> ----------------------------</span>
<span>20</span> <span>DROP</span> <span>TABLE</span> <span>IF</span> <span>EXISTS</span><span> `wuxianjilian`;
</span><span>21</span> <span>CREATE</span> <span>TABLE</span><span> `wuxianjilian` (
</span><span>22</span>   `id` <span>int</span>(<span>11</span>) <span>NOT</span> <span>NULL</span><span> AUTO_INCREMENT,
</span><span>23</span>   `pid` <span>int</span>(<span>11</span>) <span>DEFAULT</span> <span>NULL</span><span>,
</span><span>24</span>   `<span>text</span>` <span>varchar</span>(<span>32</span>) <span>DEFAULT</span> <span>NULL</span><span>,
</span><span>25</span>   <span>PRIMARY</span> <span>KEY</span><span> (`id`)
</span><span>26</span> ) ENGINE<span>=</span>InnoDB AUTO_INCREMENT<span>=</span><span>22</span> <span>DEFAULT</span> CHARSET<span>=</span><span>utf8;
</span><span>27</span> 
<span>28</span> <span>--</span><span> ----------------------------</span>
<span>29</span> <span>--</span><span> Records of wuxianjilian</span>
<span>30</span> <span>--</span><span> ----------------------------</span>
<span>31</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>1</span><span>'</span>, <span>'</span><span>0</span><span>'</span>, <span>'</span><span>A0</span><span>'</span><span>);
</span><span>32</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>2</span><span>'</span>, <span>'</span><span>0</span><span>'</span>, <span>'</span><span>B0</span><span>'</span><span>);
</span><span>33</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>3</span><span>'</span>, <span>'</span><span>1</span><span>'</span>, <span>'</span><span>C1</span><span>'</span><span>);
</span><span>34</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>4</span><span>'</span>, <span>'</span><span>1</span><span>'</span>, <span>'</span><span>D1</span><span>'</span><span>);
</span><span>35</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>5</span><span>'</span>, <span>'</span><span>1</span><span>'</span>, <span>'</span><span>E1</span><span>'</span><span>);
</span><span>36</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>6</span><span>'</span>, <span>'</span><span>2</span><span>'</span>, <span>'</span><span>F2</span><span>'</span><span>);
</span><span>37</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>7</span><span>'</span>, <span>'</span><span>2</span><span>'</span>, <span>'</span><span>G2</span><span>'</span><span>);
</span><span>38</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>8</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>H3</span><span>'</span><span>);
</span><span>39</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>9</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>I3</span><span>'</span><span>);
</span><span>40</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>10</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>J3</span><span>'</span><span>);
</span><span>41</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>11</span><span>'</span>, <span>'</span><span>3</span><span>'</span>, <span>'</span><span>K3</span><span>'</span><span>);
</span><span>42</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>12</span><span>'</span>, <span>'</span><span>4</span><span>'</span>, <span>'</span><span>L4</span><span>'</span><span>);
</span><span>43</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>13</span><span>'</span>, <span>'</span><span>4</span><span>'</span>, <span>'</span><span>M4</span><span>'</span><span>);
</span><span>44</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>14</span><span>'</span>, <span>'</span><span>8</span><span>'</span>, <span>'</span><span>N8</span><span>'</span><span>);
</span><span>45</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>15</span><span>'</span>, <span>'</span><span>9</span><span>'</span>, <span>'</span><span>N9</span><span>'</span><span>);
</span><span>46</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>16</span><span>'</span>, <span>'</span><span>14</span><span>'</span>, <span>'</span><span>O14</span><span>'</span><span>);
</span><span>47</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>17</span><span>'</span>, <span>'</span><span>14</span><span>'</span>, <span>'</span><span>P14</span><span>'</span><span>);
</span><span>48</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>18</span><span>'</span>, <span>'</span><span>14</span><span>'</span>, <span>'</span><span>Q14</span><span>'</span><span>);
</span><span>49</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>19</span><span>'</span>, <span>'</span><span>17</span><span>'</span>, <span>'</span><span>R17</span><span>'</span><span>);
</span><span>50</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>20</span><span>'</span>, <span>'</span><span>17</span><span>'</span>, <span>'</span><span>S18</span><span>'</span><span>);
</span><span>51</span> <span>INSERT</span> <span>INTO</span> `wuxianjilian` <span>VALUES</span> (<span>'</span><span>21</span><span>'</span>, <span>'</span><span>20</span><span>'</span>, <span>'</span><span>T20</span><span>'</span>);

Copier après la connexion

效果图：

jQuery+PHP+MySQL简单无限级联实现

　　　　　图（1）仅下拉框

jQuery+PHP+MySQL简单无限级联实现

　　　　　　图（2）层级提示+下拉框

jQuery+PHP+MySQL简单无限级联实现

　　　　　　　　　　　　　　图（3）存储数据点击响应

简单贴几张图，不过还是亲自测试效果好点，请点击演示地址测试。

演示地址：无限级联仅下拉选项框版本

下载地址：jQuery+PHP+MySQL简单无限级联实现源码

Déclaration de ce site Web

Le contenu de cet article est volontairement contribué par les internautes et les droits d'auteur appartiennent à l'auteur original. Ce site n'assume aucune responsabilité légale correspondante. Si vous trouvez un contenu suspecté de plagiat ou de contrefaçon, veuillez contacter admin@php.cn

Outils d'IA chauds

Undresser.AI Undress

Application basée sur l'IA pour créer des photos de nu réalistes

AI Clothes Remover

Outil d'IA en ligne pour supprimer les vêtements des photos.

Undress AI Tool

Images de déshabillage gratuites

Clothoff.io

Dissolvant de vêtements AI

AI Hentai Generator

Générez AI Hentai gratuitement.

Afficher plus

Article chaud

R.E.P.O. Crystals d'énergie expliqués et ce qu'ils font (cristal jaune)

3 Il y a quelques semaines By 尊渡假赌尊渡假赌尊渡假赌

R.E.P.O. Meilleurs paramètres graphiques

2 Il y a quelques semaines By 尊渡假赌尊渡假赌尊渡假赌

Assassin's Creed Shadows: Solution d'énigmes de coquille

1 Il y a quelques semaines By DDD

R.E.P.O. Comment réparer l'audio si vous n'entendez personne

3 Il y a quelques semaines By 尊渡假赌尊渡假赌尊渡假赌

Où trouver la courte de la grue à atomide atomique

1 Il y a quelques semaines By DDD

Afficher plus

Outils chauds

Bloc-notes++7.3.1

Éditeur de code facile à utiliser et gratuit

SublimeText3 version chinoise

Version chinoise, très simple à utiliser

Envoyer Studio 13.0.1

Puissant environnement de développement intégré PHP

Dreamweaver CS6

Outils de développement Web visuel

SublimeText3 version Mac

Logiciel d'édition de code au niveau de Dieu (SublimeText3)

Afficher plus

Sujets chauds

Où se trouve l'entrée de connexion pour la messagerie Gmail ?

7415

Tutoriel CakePHP

1359

Quel est le format du nom de compte de Steam

Clé d&#39;activation Win11 permanent

Afficher plus

Related knowledge

Le moyen le plus simple d'interroger le numéro de série du disque dur Feb 26, 2024 pm 02:24 PM

Le numéro de série du disque dur est un identifiant important du disque dur et est généralement utilisé pour identifier de manière unique le disque dur et identifier le matériel. Dans certains cas, nous pouvons avoir besoin d'interroger le numéro de série du disque dur, par exemple lors de l'installation d'un système d'exploitation, de la recherche du pilote de périphérique approprié ou de la réparation du disque dur. Cet article présentera quelques méthodes simples pour vous aider à vérifier le numéro de série du disque dur. Méthode 1 : utilisez l’invite de commande Windows pour ouvrir l’invite de commande. Dans le système Windows, appuyez sur les touches Win+R, entrez « cmd » et appuyez sur la touche Entrée pour ouvrir la commande

Comment mettre en œuvre la double connexion WeChat sur les téléphones mobiles Huawei ? Mar 24, 2024 am 11:27 AM

Comment mettre en œuvre la double connexion WeChat sur les téléphones mobiles Huawei ? Avec l’essor des réseaux sociaux, WeChat est devenu l’un des outils de communication indispensables dans la vie quotidienne des gens. Cependant, de nombreuses personnes peuvent rencontrer un problème : se connecter à plusieurs comptes WeChat en même temps sur le même téléphone mobile. Pour les utilisateurs de téléphones mobiles Huawei, il n'est pas difficile d'obtenir une double connexion WeChat. Cet article explique comment obtenir une double connexion WeChat sur les téléphones mobiles Huawei. Tout d'abord, le système EMUI fourni avec les téléphones mobiles Huawei offre une fonction très pratique : l'ouverture d'une double application. Grâce à la fonction de double ouverture de l'application, les utilisateurs peuvent simultanément

Comment implémenter la fonction de clonage WeChat sur les téléphones mobiles Huawei Mar 24, 2024 pm 06:03 PM

Comment mettre en œuvre la fonction de clonage WeChat sur les téléphones mobiles Huawei Avec la popularité des logiciels sociaux et l'importance croissante accordée à la confidentialité et à la sécurité, la fonction de clonage WeChat est progressivement devenue le centre d'attention. La fonction de clonage WeChat peut aider les utilisateurs à se connecter simultanément à plusieurs comptes WeChat sur le même téléphone mobile, ce qui facilite la gestion et l'utilisation. Il n'est pas difficile de mettre en œuvre la fonction de clonage WeChat sur les téléphones mobiles Huawei. Il vous suffit de suivre les étapes suivantes. Étape 1 : Assurez-vous que la version du système de téléphonie mobile et la version de WeChat répondent aux exigences. Tout d'abord, assurez-vous que la version de votre système de téléphonie mobile Huawei a été mise à jour vers la dernière version, ainsi que l'application WeChat.

Guide de programmation PHP : méthodes pour implémenter la séquence de Fibonacci Mar 20, 2024 pm 04:54 PM

Le langage de programmation PHP est un outil puissant pour le développement Web, capable de prendre en charge une variété de logiques et d'algorithmes de programmation différents. Parmi eux, l’implémentation de la séquence de Fibonacci est un problème de programmation courant et classique. Dans cet article, nous présenterons comment utiliser le langage de programmation PHP pour implémenter la séquence de Fibonacci et joindrons des exemples de code spécifiques. La suite de Fibonacci est une suite mathématique définie comme suit : le premier et le deuxième élément de la suite valent 1, et à partir du troisième élément, la valeur de chaque élément est égale à la somme des deux éléments précédents. Les premiers éléments de la séquence

Découvrez comment Golang offre des possibilités de développement de jeux Mar 16, 2024 pm 12:57 PM

Dans le domaine actuel du développement logiciel, Golang (langage Go), en tant que langage de programmation efficace, concis et hautement simultané, est de plus en plus favorisé par les développeurs. Sa riche bibliothèque de normes et ses fonctionnalités de concurrence efficaces en font un choix de premier plan dans le domaine du développement de jeux. Cet article explorera comment utiliser Golang pour le développement de jeux et démontrera ses puissantes possibilités à travers des exemples de code spécifiques. 1. Avantages de Golang dans le développement de jeux. En tant que langage typé statiquement, Golang est utilisé dans la construction de systèmes de jeux à grande échelle.

Guide de mise en œuvre des exigences du jeu PHP Mar 11, 2024 am 08:45 AM

Guide d'implémentation des exigences du jeu PHP Avec la popularité et le développement d'Internet, le marché des jeux Web devient de plus en plus populaire. De nombreux développeurs espèrent utiliser le langage PHP pour développer leurs propres jeux Web, et la mise en œuvre des exigences du jeu constitue une étape clé. Cet article explique comment utiliser le langage PHP pour implémenter les exigences courantes du jeu et fournit des exemples de code spécifiques. 1. Créer des personnages de jeu Dans les jeux Web, les personnages de jeu sont un élément très important. Nous devons définir les attributs du personnage du jeu, tels que le nom, le niveau, la valeur de l'expérience, etc., et fournir des méthodes pour les exploiter.

Comment mettre en œuvre une opération de division exacte dans Golang Feb 20, 2024 pm 10:51 PM

La mise en œuvre d'opérations de division exactes dans Golang est un besoin courant, en particulier dans les scénarios impliquant des calculs financiers ou d'autres scénarios nécessitant des calculs de haute précision. L'opérateur de division intégré "/" de Golang est calculé pour les nombres à virgule flottante, et il y a parfois un problème de perte de précision. Afin de résoudre ce problème, nous pouvons utiliser des bibliothèques tierces ou des fonctions personnalisées pour implémenter des opérations de division exactes. Une approche courante consiste à utiliser le type Rat du package math/big, qui fournit une représentation des fractions et peut être utilisé pour implémenter des opérations de division exactes.

Comment implémenter la surcharge d'opérateurs en langage Go ? Dec 23, 2023 pm 01:55 PM

Comment implémenter la surcharge d'opérateurs en langage Go ? Le langage Go est un langage de programmation moderne privilégié par les développeurs pour sa syntaxe concise et ses performances efficaces. Cependant, le langage Go ne fournit pas de fonctionnalité de surcharge d'opérateurs comme dans des langages tels que C++ ou Python. La surcharge d'opérateurs fait référence au comportement de redéfinition ou d'extension des opérateurs sur différents types de données pour les rendre applicables à des objets ou des opérations spécifiques. Bien qu'il n'y ait pas de prise en charge directe de la surcharge d'opérateurs dans le langage Go, nous pouvons obtenir des fonctionnalités similaires par d'autres moyens. En langage Go

See all articles