批量删除与查询

Posted 桃花灬仙人

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批量删除

主界面

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>

<link href="bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
<script src="bootstrap/js/jquery-1.11.2.min.js"></script>
<script src="bootstrap/js/bootstrap.min.js"></script>

</head>

<body>
<form action="./pldelete.php" method="post">
<table class="table table-striped">
  <caption>人员信息展示</caption>
  <thead>
    <tr>
      <th><input type="checkbox" id="ckall" />代号</th>
      <th>姓名</th>
      <th>性别</th>
      <th>民族</th>
      <th>生日</th>
      <th>操作</th>
    </tr>
  </thead>
  <tbody>
      <?php
    $db = new mysqli("localhost","root","123","mydb");
    $sql = "select info.code,info.name,sex,nation.name,birthday from info,nation where info.nation=nation.code";
    $result = $db->query($sql);
    if($result){
        $arr = $result->fetch_all();
        foreach($arr as $v){
            $sex = $v[2]?"男":"女";
            echo "<tr>
      <td><input class=‘ck‘ type=‘checkbox‘ name=‘ck[]‘ value=‘{$v[0]}‘ />{$v[0]}</td>
      <td>{$v[1]}</td>
      <td>{$sex}</td>
      <td>{$v[3]}</td>
      <td>{$v[4]}</td>
      <td><a href=‘./delete.php?code={$v[0]}‘ onclick=\"return confirm(‘确认删除么？‘)\"><button type=‘button‘ class=‘btn btn-primary btn-sm‘>删除</button></a><a href=‘./xiugai.php?code={$v[0]}‘ ><button type=‘button‘ class=‘btn btn-primary btn-sm‘>修改</button></a></td>
    </tr>";
        }
    }
    ?>
  </tbody>
</table>

<div><input type="submit" value="批量删除" /><a href="./tianjia.php">添加数据</a></div>
</form>
<script type="text/javascript">
var ckall = document.getElementById("ckall");
ckall.onclick = function(){
    var xz = ckall.checked;
    var ck = document.getElementsByClassName("ck");
    for(var i=0;i<ck.length;i++){
        ck[i].checked = xz; 
    }
}
</script>
</body>
</html>

 

批量删除处理界面

<?php
$arr = $_POST["ck"];

//delete from info where code in(‘p001‘,‘p002‘,‘p003‘)

$str = implode("‘,‘",$arr);
$sql = "delete from info where code in(‘{$str}‘)";

$db = new MySQLi("localhost","root","123","mydb");
$result = $db->query($sql);
if($result){
    header("location:main.php");
}else{
    echo "删除失败！";
}

 

查询

 

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