2021.5.26

ex01b  delete:
<?php
header ( "Content-type: text/html; charset=utf-8" ); //设置文件编码格式
  include_once('conn.php');
  $name=$_GET['name'];

$sqlstr1 = "delete from phpstu where name  = '{$name}'";        //定义删除语句
     $result = mysqli_query($conn,$sqlstr1);                //执行删除操作
      if($result){
            echo "<script>alert('删除成功');history.go(-1);</script>";
     }else{
            echo "<script>alert('删除失败');history.go(-1);</script>";
     }
?>