Maison php教程 php手册 [PHP]利用XAMPP搭建本地服务器, 然后利用iOS客户端上传数据到本地服务器中(三. PHP端代码实现) - M_Lee

[PHP]利用XAMPP搭建本地服务器, 然后利用iOS客户端上传数据到本地服务器中(三. PHP端代码实现) - M_Lee

May 20, 2016 pm 01:15 PM

一.安装XAMPP   http://www.cnblogs.com/lidongxu/p/5256330.html

二. 配置MySql http://www.cnblogs.com/lidongxu/p/5256515.html

然后呢, 今天我们就来接触下PHP开发语言

1. 首先呢, 需要在我们本机服务器文件夹资源下新建个.php文件,   废话嘛(你要写php啦!)

2. 在register.php 输入以下代码

<span style="color: #000000;">php 

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 1. 获取客户端利用post方式网络请求的body里的字段对应的value (这个字段
// 是这里规定的, 前端必须遵守这个name2, pass2等key值)</span>
<span style="color: #800080;">$nameP</span> = <span style="color: #800080;">$_POST</span>['name2'<span style="color: #000000;">];
</span><span style="color: #800080;">$passP</span> = <span style="color: #800080;">$_POST</span>['pass2'<span style="color: #000000;">];
</span><span style="color: #800080;">$ageP</span> = <span style="color: #800080;">$_POST</span>['age2'<span style="color: #000000;">];
</span><span style="color: #800080;">$telephoneP</span> = <span style="color: #800080;">$_POST</span>['telephone2'<span style="color: #000000;">];

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 2. 建立数据库连接 (127.0.0.1 数据库所在的ip地址)
// root 是数据库用户名(默认的)
// "" 密码(默认是空)</span>
<span style="color: #800080;">$con</span> = <span style="color: #008080;">mysql_connect</span>("127.0.0.1", "root", ""<span style="color: #000000;">);
</span><span style="color: #800080;">$myCon</span> = <span style="color: #008080;">mysql_select_db</span>("lidongxu", <span style="color: #800080;">$con</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 3. 先查询, 如果存在就不要在插入了</span>
<span style="color: #800080;">$select</span> = "select userName from User where userName = '<span style="color: #800080;">$nameP</span>'"<span style="color: #000000;">;
</span><span style="color: #800080;">$seleResult</span> = <span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$select</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 4. 如果查到了, 说明已经存在这个用户了, 则返回-1给客户端代表已经注册过了</span>
<span style="color: #0000ff;">if</span> (<span style="color: #008080;">mysql_num_rows</span>(<span style="color: #800080;">$seleResult</span><span style="color: #000000;">)) {

</span><span style="color: #008000;">//</span><span style="color: #008000;"> success 就是key值 对应的value 就是后面的字符串</span>
    <span style="color: #800080;">$a</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
    </span><span style="color: #800080;">$a</span>['success'] = "-1"<span style="color: #000000;">;
    </span><span style="color: #800080;">$a</span>['status'] = "have"<span style="color: #000000;">;
    </span><span style="color: #800080;">$arr</span> = json_encode(<span style="color: #800080;">$a</span><span style="color: #000000;">);
    </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$arr</span><span style="color: #000000;">;
}
</span><span style="color: #008000;">//</span><span style="color: #008000;"> 5. 如果没注册过, 那么</span>
<span style="color: #0000ff;">else</span><span style="color: #000000;"> {

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 6. 把数据都插入到mysql数据库中</span>
    <span style="color: #800080;">$sql</span> = "insert into User values('<span style="color: #800080;">$nameP</span>', '<span style="color: #800080;">$passP</span>', '<span style="color: #800080;">$ageP</span>', '<span style="color: #800080;">$telephoneP</span>')"<span style="color: #000000;">;

    </span><span style="color: #800080;">$result</span> = <span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$sql</span><span style="color: #000000;">);

    </span><span style="color: #0000ff;">if</span> (<span style="color: #800080;">$result</span> == 1) { <span style="color: #008000;">//</span><span style="color: #008000;"> 7. 代表执行成功</span>
        <span style="color: #800080;">$a</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
        </span><span style="color: #800080;">$a</span>['success'] = "1"<span style="color: #000000;">;
        </span><span style="color: #800080;">$a</span>['status'] = "ok"<span style="color: #000000;">;
        </span><span style="color: #800080;">$arr</span> = json_encode(<span style="color: #800080;">$a</span><span style="color: #000000;">);
        </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$arr</span><span style="color: #000000;">;

    }
    </span><span style="color: #0000ff;">else</span> { <span style="color: #008000;">//</span><span style="color: #008000;"> 8. 代表插入失败</span>
        <span style="color: #800080;">$a</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
        </span><span style="color: #800080;">$a</span>['success'] = "0"<span style="color: #000000;">;
        </span><span style="color: #800080;">$a</span>['status'] = "no"<span style="color: #000000;">;
        </span><span style="color: #800080;">$arr</span> = json_encode(<span style="color: #800080;">$a</span><span style="color: #000000;">);
        </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$arr</span><span style="color: #000000;">;
    }

}

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 9. 接收用户头像图片
// 9.1. 接收图片传到服务器上默认的临时文件路径以及名字 (uploadfile 给前台使用的
// 字段)</span>
<span style="color: #800080;">$url</span> = <span style="color: #800080;">$_FILES</span>["uploadimageFile"]["tmp_name"<span style="color: #000000;">];

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 9.2 获取根路径下的downloads文件夹下的路径(download2 需要手动
// 去本地创建)</span>
<span style="color: #800080;">$destination_folder</span> = <span style="color: #800080;">$_SERVER</span>['DOCUMENT_ROOT'].'/download2/'<span style="color: #000000;">;


    </span><span style="color: #008000;">//</span><span style="color: #008000;"> 9.3拼接要作为服务器上保存的文件名字</span>
    <span style="color: #800080;">$newfname</span> = <span style="color: #800080;">$destination_folder</span> .(<span style="color: #0000ff;">string</span>)<span style="color: #800080;">$nameP</span>.'.jpg'; <span style="color: #008000;">//</span><span style="color: #008000;">set your file ext


// 打开连接  rb+ 读写打开一个二进制文件,允许读写数据,文件必须存在。
// 获取客户端上传到缓存文件夹下的文件</span>
    <span style="color: #800080;">$file</span> = <span style="color: #008080;">fopen</span> (<span style="color: #800080;">$url</span>, "rb"<span style="color: #000000;">);

    </span><span style="color: #0000ff;">if</span> (<span style="color: #800080;">$file</span><span style="color: #000000;">) {
        </span><span style="color: #008000;">//</span><span style="color: #008000;"> a 以附加的方式打开只写文件。若文件不存在,则会建立该文件,如果文件存在,写入的数据会被加到文件尾,即文件原先的内容会被保留。
      // 获取要把客户端传递过来的文件复制到新的文件夹下的名字</span>
      <span style="color: #800080;">$newf</span> = <span style="color: #008080;">fopen</span> (<span style="color: #800080;">$newfname</span>, "a"<span style="color: #000000;">); 

      </span><span style="color: #0000ff;">if</span> (<span style="color: #800080;">$newf</span><span style="color: #000000;">)
          </span><span style="color: #008000;">//</span><span style="color: #008000;"> 检查文件是否结束,如结束,则返回非零值</span>
      <span style="color: #0000ff;">while</span>(!<span style="color: #008080;">feof</span>(<span style="color: #800080;">$file</span><span style="color: #000000;">)) {
          </span><span style="color: #008000;">//</span><span style="color: #008000;"> 开始从某个文件读取1MB 然后写入到新的路径1MB</span>
        <span style="color: #008080;">fwrite</span>(<span style="color: #800080;">$newf</span>, <span style="color: #008080;">fread</span>(<span style="color: #800080;">$file</span>, 1024 * 8 ), 1024 * 8<span style="color: #000000;"> );

      }
    }

    </span><span style="color: #0000ff;">if</span> (<span style="color: #800080;">$file</span><span style="color: #000000;">) {
        </span><span style="color: #008000;">//</span><span style="color: #008000;"> 关闭文件链接</span>
      <span style="color: #008080;">fclose</span>(<span style="color: #800080;">$file</span><span style="color: #000000;">);
    }

    </span><span style="color: #0000ff;">if</span> (<span style="color: #800080;">$newf</span><span style="color: #000000;">) {
      </span><span style="color: #008080;">fclose</span>(<span style="color: #800080;">$newf</span><span style="color: #000000;">);
    }



 </span>?>
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3. 然后在本地服务器文件夹下新建download2文件夹

4. 然后再把登录的php代码也写了吧!在htdocs文件夹下, 新建loginGet.php文件 然后插入代码

<span style="color: #000000;">php 

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 1. 获取GET网络请求网址里的key值对应的value
// 声明变量name1 和pass1 接收</span>
<span style="color: #800080;">$name1</span> = <span style="color: #800080;">$_GET</span>['name'<span style="color: #000000;">];
</span><span style="color: #800080;">$pass1</span> = <span style="color: #800080;">$_GET</span>['pass'<span style="color: #000000;">];

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 2. 建立数据库连接
// 参数1: 数据库所在的服务器的地址(本机127.0.0.1或者localhost)
// 参数2: MySql数据库的账户(默认root)
// 参数3: MySql数据库的密码(默认无)</span>
<span style="color: #800080;">$con</span> = <span style="color: #008080;">mysql_connect</span>("127.0.0.1", "root", ""<span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 参数1: 自己建立的数据库的名字</span>
<span style="color: #800080;">$myCon</span> = <span style="color: #008080;">mysql_select_db</span>("lidongxu", <span style="color: #800080;">$con</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 3. 执行查询 (利用用户名和密码进行匹配查找, 如果找到了随意返回userName(用户名))</span>
<span style="color: #800080;">$sql</span> = "select * from User where userName = '<span style="color: #800080;">$name1</span>' And password = '<span style="color: #800080;">$pass1</span>'"<span style="color: #000000;">;

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 4. 接收结果</span>
<span style="color: #800080;">$result</span> = <span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$sql</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 4.2 如果查询结果为空的话</span>
<span style="color: #0000ff;">if</span>(<span style="color: #008080;">mysql_num_rows</span>(<span style="color: #800080;">$result</span>) == 0<span style="color: #000000;">) {
        </span><span style="color: #800080;">$a</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
        </span><span style="color: #800080;">$a</span>['success'] = "0"<span style="color: #000000;">;
        </span><span style="color: #800080;">$a</span>['name'] = "null"<span style="color: #000000;">;
        </span><span style="color: #800080;">$a</span>['status'] = "no"<span style="color: #000000;">;
        </span><span style="color: #800080;">$arr</span> = json_encode(<span style="color: #800080;">$a</span><span style="color: #000000;">);
        </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$arr</span><span style="color: #000000;">;

        
}
</span><span style="color: #0000ff;">else</span><span style="color: #000000;"> {
</span><span style="color: #008000;">//</span><span style="color: #008000;"> 5. 取出本条记录</span>
<span style="color: #800080;">$row</span> = <span style="color: #008080;">mysql_fetch_row</span>(<span style="color: #800080;">$result</span><span style="color: #000000;">);
    
    
        </span><span style="color: #800080;">$a</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
        </span><span style="color: #800080;">$a</span>['success'] = "1"<span style="color: #000000;">;
        </span><span style="color: #800080;">$a</span>['name'] = <span style="color: #800080;">$row</span>[0<span style="color: #000000;">];
        </span><span style="color: #800080;">$a</span>['age'] = <span style="color: #800080;">$row</span>[2<span style="color: #000000;">];
        </span><span style="color: #800080;">$a</span>['telephone'] = <span style="color: #800080;">$row</span>[3<span style="color: #000000;">];
        </span><span style="color: #800080;">$a</span>['status'] = "ok"<span style="color: #000000;">;
        </span><span style="color: #800080;">$arr</span> = json_encode(<span style="color: #800080;">$a</span><span style="color: #000000;">);
        </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$arr</span><span style="color: #000000;">;
    
}


 </span>?>
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到此, php暂时告一段路, 然后进行iOS段代码开发(开心不???)

 

来写iOS 代码吧...........      http://www.cnblogs.com/lidongxu/p/5267753.html

 

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