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话不多说,老铁们直接拿代码去用吧。
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>登录界面</title> <style> #bg{ width:30%; height:25%; top:30%; left:60%; position:fixed; background-image:url('https://b-ssl.duitang.com/uploads/item/201406/28/20140628134651_sWicV.jpeg'); background-size:60%; } </style> <script type="text/javascript" > function check() { var a=document.getElementById('username').value; var b=document.getElementById('password').value; var c=document.getElementById('Username').value; var d=document.getElementById('Password').value; if(a!=c) alert("name error!"); else if(b!=d) alert("password error!"); else alert("Welcome!"); } </script> </head> <body> <div id="bg"> <form> <table width="100%"> <tr> <td style="text-align:right" height:"100px"> <p>name:</p></td> <td><input type="text" id="username"> <input type="hidden" id="Username" value="201739160412"></td> </tr> <tr> <td style="text-align:right"> <p>password:</p></td> <td><input type="password" id="password"> <input type="hidden" id="Password" value="123456789"></td> </tr> <tr> <td> </td> <td><input type="button" value="loading" onclick='check()'></td> </tr> </table> </form> </div> </body> </html>
发现问题不用慌,有老子在!
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