<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk" /> <title>用户登录</title> <style type="text/css"> html{font-size:12px;} fieldset{width:300px; margin: 0 auto;} legend{font-weight:bold; font-size:14px;} .label{float:left; width:70px; margin-left:10px;} .left{margin-left:80px;} .input{width:150px;} span{color: #666666;} </style> <script language=JavaScript> <!-- function InputCheck(LoginForm) { if (LoginForm.username.value == "") { alert("请输入用户名!"); LoginForm.username.focus(); return (false); } if (LoginForm.password.value == "") { alert("请输入密码!"); LoginForm.password.focus(); return (false); } } //--> </script> </head> <body> <div> <fieldset> <legend>用户登录</legend> <form name="LoginForm" method="post" action="login.php" onSubmit="return InputCheck(this)"> <p> <label for="username" class="label">用户名:</label> <input id="username" name="username" type="text" class="input" /> <p/> <p> <label for="password" class="label">密 码:</label> <input id="password" name="password" type="password" class="input" /> <p/> <p> <input type="submit" name="submit" value=" 确 定 " class="left" /> </p> </form> </fieldset> </div> </body> </html>