PHP ?? ??? ?? ???? ??? HTML ???

?? ??? ???? ????? ?? <table> ???? ?????.

? ?? ??? CSS ???? ???? ?? ??? ??? ????.

??? ???? ?? ??? ??? ????? ?? ??? JS ??? ????. ???? ?? ??? ??? ???? ?? ???? ??? ?????

???? ??? ??? ????

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用戶登錄</title>
</head>
<body>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登陸界面</title>
    <script type="text/javascript">
        function foo(){
            if(myform.username.value=="")
            {
                alert("請(qǐng)輸入用戶名");
                myform.username.focus();
                return false;
            }
            if (myform.password.value=="")
            {
                alert("請(qǐng)輸入密碼");
                myform.password.focus();
                return false;
            }
        }
    </script>
    <style type="text/css">
        table{
            height: 300px;
        }
        input{
            width: 190px;
            height: 25px;
        }
        .title{
            background-color:#B10707 ;
            color: white;
            border: none;
        }
        .but{
            width: 140px;
            height: 43px;
        }
        .spa{
            margin-left: 10px;
        }
    </style>
</head>
<body>
<form action="login.php"  method="post" onsubmit="return foo();" name="myform" >
    <table width="400px" border="1" cellpadding="12" cellspacing="1" align="center">
        <tr>
            <td colspan="2" class="title">會(huì)員登錄<span class="spa">[<a style="color: white"  href="index.php">返回首頁]</a></span></td>
        </tr>
        <tr>
            <td width="110px">會(huì)員ID</td>
            <td><input type="text" name="username"></td>
        </tr>
        <tr>
            <td width="110px">會(huì)員密碼</td>
            <td><input type="password" name="password"></td>
        </tr>
        <tr>
            <td colspan="2" align="center">
                <button class="but" style="text-align: center">立即登錄</button>
            </td>
        </tr>
    </table>
</form>
</body>
</html>
</body>
</html>

???? ??? ??? login.php ???? ???? ?????

???? ??

??? ??

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>用戶登錄</title> </head> <body> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>登陸界面</title> <script type="text/javascript"> function foo(){ if(myform.username.value=="") { alert("請(qǐng)輸入用戶名"); myform.username.focus(); return false; } if (myform.password.value=="") { alert("請(qǐng)輸入密碼"); myform.password.focus(); return false; } } </script> <style type="text/css"> table{ height: 300px; } input{ width: 190px; height: 25px; } .title{ background-color:#B10707 ; color: white; border: none; } .but{ width: 140px; height: 43px; } .spa{ margin-left: 10px; } </style> </head> <body> <form action="login.php" method="post" onsubmit="return foo();" name="myform" > <table width="400px" border="1" cellpadding="12" cellspacing="1" align="center"> <tr> <td colspan="2" class="title">會(huì)員登錄<span class="spa">[<a style="color: white" href="index.php">返回首頁]</a></span></td> </tr> <tr> <td width="110px">會(huì)員ID</td> <td><input type="text" name="username"></td> </tr> <tr> <td width="110px">會(huì)員密碼</td> <td><input type="password" name="password"></td> </tr> <tr> <td colspan="2" align="center"> <button class="but" style="text-align: center">立即登錄</button> </td> </tr> </table> </form> </body> </html> </body> </html>

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