php——$_GET应用

1 <?php
2 echo "<a href=‘009b.php?action=add‘>添加</a><br/>";
3 echo "<a href=‘009b.php?action=del‘>删除</a><br/>";

 1 <?php
 2 $action = $_GET["action"];
 3 switch ($action) {
 4     case "add":
 5         echo "<script>alert(‘添加成功!‘);</script>";
 6         break;
 7     case "del":
 8         echo "<script>alert(‘删除成功!‘);</script>";
 9         break;
10 }