日期:2014-05-17 浏览次数:20529 次
<script type="text/javascript"> function check() { var un = document.getElementById("username").value; var up = document.getElementById("userpass").value; if(un==""){alert("null"); return false;} if(up==""){alert("null");return false;} } </script> <body> <form method="post" action="show.php" name="form1" onsubmit="return check()"> 用户名:<input type="text" name="username" id="username" /><br /> 密 码:<input type="password" name="userpass" id="userpass" /><br /> <input type="submit" name="submit" value="登陆" /> </form> </body>
<?php include("conn.php"); ?> <?php if($_POST["submit"]) { echo $sql ="select * from users where username='".$_POST["username"]."' and userpass='".$_POST["userpass"]."'"; $result=mysql_query($sql); //echo count($result); if($result) { echo "登陆成功"; }else { echo "不要捣乱"; } } ?>