批量删除
va<!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>
</head>
<body>
<br />
<form action="main.php" method="post">
<div>姓名:
<input type="text" name="xm" />
<input type="submit" value="查询" />
</div>
</form>
<br />
<form action="piliangshanchu.php" method="post">
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td><input type="checkbox" onclick="quanxuan(this)" />代号</td>
<td>姓名</td>
<td>性别</td>
<td>民族</td>
<td>生日</td>
<td>操作</td>
</tr>
<?php
//先判断有没有提交值
$xxm = "";
$tj = " 1=1 ";
if(!empty($_POST["xm"]) && $_POST["xm"]!="")
{
$xxm = $_POST["xm"];
$tj = " name like ‘%{$xxm}%‘ ";
}
//造连接对象
$db = new MySQLi("localhost","root","123","mydb");
//写SQL语句
$sql = "select * from info where ".$tj;
echo $sql;
//执行SQL语句
$result = $db->query($sql);
//读数据
$attr = $result->fetch_all();
foreach($attr as $v)
{
echo "<tr>";
$sex = $v[2]?"男":"女";
//根据名族代号查询名族名称
$name = NationName($v[3]);
//替换关键字
$newname = str_replace($xxm,"<mark>{$xxm}</mark>",$v[1]);
echo "<td><input type=‘checkbox‘ value=‘{$v[0]}‘ name=‘sc[]‘ class=‘qx‘ />{$v[0]}</td><td>{$newname}</td><td>{$sex}</td><td>{$name}</td><td>{$v[4]}</td><td><a href=‘shanchu.php?c={$v[0]}‘ onclick=\"return confirm(‘确定删除么？‘)\">删除</a><a href=‘xiugai.php?c={$v[0]}‘>修改</a></td>";
/*foreach($v as $v1)
{
echo "<td>{$v1}</td>";
}*/
echo "</tr>";
}
//给一个民族代号，返回民族名称
function NationName($code)
{
//造连接对象
$db = new MySQLi("localhost","root","123","mydb");
//写SQL语句
$sql = "select name from nation where code=‘{$code}‘";
//执行SQL语句
$result = $db->query($sql);
$attr = $result->fetch_row();
return $attr[0];
}
?>
</table>
<a href="add.php"><input type="button" value="添加数据" /></a>
<input type="submit" value="批量删除" onclick="return confirm(‘确定删除么‘)" />
</form>
<script type="text/javascript">
function quanxuan(a)
{
//找到下面所有的复选框
var ck =document.getElementsByClassName("qx");
//遍历所有复选框，设置选中状态
for(var i=0;i<ck.length;i++)
{
if(a.checked)
{
ck[i].setAttribute("checked","checked");
}
else
{
ck[i].removeAttribute("checked");
}
}
}
</script>
</body>
</html>
批量删除处理
<?php
$attr = array();
if(!empty($_POST["sc"]))
{
$attr = $_POST["sc"];
}
$db = new MySQLi("localhost","root","123","mydb");
/*foreach($attr as $v)
{
$sql = "delete from info where code=‘{$v}‘";
$db->query($sql);
}
*/
$str = implode("‘,‘",$attr);
//echo $str;
$sql = "delete from info where code in(‘{$str}‘)";
$db->query($sql);
//delete from info where code in(‘p001‘,‘p002‘,‘p003‘)
时间： 2024-10-03 21:54:35