PHP开发企业网站之登录(一)

本节页面为log.php

下面我们来看以下具体的代码:

<?php
    session_start();
?>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>php 登录</title>
    <style type="text/css">
        *{margin: 0px;padding: 0px;}
        body{background:#eee;}
        .inpu{border-radius:10px;outline:none;width:200px;height:30px;border:1px solid red;
            box-sizing:border-box;padding-left:15px;
        }
        #div{width:400px;height:400px;background:#B1FEF9;margin:0 auto;
            margin-top:150px;border-radius:20px;}
        h3{margin-left:88px;padding-top:60px;}
        h4{margin-left:120px;padding-top:60px;font-size: 18px;}
        #cnt{width:280px;height:370px;margin-left:33px;padding-top:60px;}
        .sub{width:70px;height:30px;border:1px solid #fff;background:#eee;
            margin-left:28px;margin-top:20px;}
        .sub1{width:70px;height:30px;border:1px solid #fff;
            background:#eee;margin-left:150px;margin-top:20px;}
    </style>
</head>
<body>
    <div id="div">
        <h3>欢迎登陆后台管理系统</h3>
        <div id="cnt">
            <form method="post" action="login.php">
                用户名:<input type="text" placeholder="请输入用户名" name="username" class="inpu">
                <br><br>
                密&nbsp;码:<input type="password" placeholder="请输入密码" name="password" class="inpu">
                <br><br>
                <input type="submit" value="登录" class="sub">
            </form>
        </div>
    </div>
</body>
</html>

以上代码我们来看一下,然后大家看以下,表单提交到 login.php

在这个文件上,我们打开了  session    是为了后面的需要所写的,下一节我们将讲解登录这块的处理

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<?php session_start(); ?> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>php 登录</title> <style type="text/css"> *{margin: 0px;padding: 0px;} body{background:#eee;} .inpu{border-radius:10px;outline:none;width:200px;height:30px;border:1px solid red; box-sizing:border-box;padding-left:15px; } #div{width:400px;height:400px;background:#B1FEF9;margin:0 auto; margin-top:150px;border-radius:20px;} h3{margin-left:88px;padding-top:60px;} h4{margin-left:120px;padding-top:60px;font-size: 18px;} #cnt{width:280px;height:370px;margin-left:33px;padding-top:60px;} .sub{width:70px;height:30px;border:1px solid #fff;background:#eee; margin-left:28px;margin-top:20px;} .sub1{width:70px;height:30px;border:1px solid #fff; background:#eee;margin-left:150px;margin-top:20px;} </style> </head> <body> <div id="div"> <h3>欢迎登陆后台管理系统</h3> <div id="cnt"> <form method="post" action="login.php"> 用户名:<input type="text" placeholder="请输入用户名" name="username" class="inpu"> <br><br> 密 码:<input type="password" placeholder="请输入密码" name="password" class="inpu"> <br><br> <input type="submit" value="登录" class="sub"> </form> </div> </div> </body> </html>
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