php批量删除操作(数据访问)
author:一佰互联 2019-04-26   click:162

本文实例为大家分享了php批量删除操作的具体代码,供大家参考,具体内容如下

1.批量删除页面 piliangcaozuo.php

<body><form action="shanchu.php" method="post"><table width="100%" border="1" cellpadding="0" cellspacing="0">  <tr>    <td><input type="checkbox" name="qx" onclick="quanxuan(this)"/>代号</td>    <td>名称</td>     </tr>  <?php   require"DBDA.class1.php";   $db = new DBDA();   $sql = "select * from nation";   $arr = $db->query($sql);   foreach($arr as $v)  {    echo "<tr>        <td><input type="checkbox" name="ck[]" class="ck" value="{$v[0]}"/>{$v[0]}</td>        <td>{$v[1]}</td>          </tr>";  }  ?>  </table><input type="submit" value="批量删除" /></form></body><script type="text/javascript">function quanxuan(qx){  var ck=document.getElementsByClassName("ck");  if(qx.checked)  {    for(var i=0;i<ck.length;i++)    {      ck[i].setAttribute("checked","checked");    }  }  else  {    for(var i=0;i<ck.length;i++)    {      ck[i].removeAttribute("checked");    }  }}</script></html>

引用的封装类 DBDA.class1.php

<?phpclass DBDA{  public $host = "localhost";  public $uid = "root";  public $pwd = "123";  public $dbname = "test_123";  //执行SQL语句返回相应的结果  //$sql 要执行的SQL语句  //$type 代表SQL语句的类型,0代表增删改,1代表查询  function query($sql,$type=1)  {    $db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname);        $result = $db->query($sql);        if($type)    {      //如果是查询,显示数据      return $result->fetch_all();    }    else    {      //如果是增删改,返回true或者false      return $result;    }  }}

2.删除处理界面 sanchu.php

<?php$arr = $_POST["ck"];require"DBDA.class.php";$db = new DBDA();//delete from nation where code in("n001","n002","n003")$str = implode("","",$arr); $sql = "delete from nation where code in("{$str}")";/*echo $sql;*/if($db->query($sql,0)){  header("location:piliangcaozuo.php");}

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持网页设计。