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')