SQL注入应用场景 php源代码: <?php$Username=$ _GET['user'];$Password=$ _GET['pwd'];$conn=mysql_connect('IP','sql_user','sql_pwd')if($conn){echo"It's OK!"}mysql_select_db("WebApplicatiobn",$conn);$result=mysql_query("SELECT * FROM User where Username='".$Username."' and Pa...