• PHP登陆页面完整代码


    包括的文件

    */

    /*

    login.php

    */

    <?php
    require('./mysql.php');
    $username=$_REQUEST['username'];
    $passwd=$_REQUEST['passwd']
    session_start();
    $_SESSION['s_username']=$username;
    $query_user="select * from user where username = '$username' and passwd = '$passwd'";
    $db=new mysql();//实例化类mysql
    $result = $db->query_exec($query_user);//验证用户
    $num_results=$result->num_rows;//取得数据库中的记录行

    if($num_results==0)
    {
        echo 'login fail!!';
    ?>
    <p><a href="./template/login.htm">返回登陆</a></p>
    <?php
    }else{
    header("Location: ./index.php");
    }
    ?>

    /*

    templates/login.tpl

    */

    <html>
    <head>
    <meta http-equiv="text/html;charset='utf-8'">
    <link  rel="stylesheet" type="text/css" href="./css/login.css">
    <script type="text/javascript" src="js/face.js"></script>
    </head>
    <body>
    <table width="400px" height="208" border="0" cellpadding="0" cellspacing="0" >
    <form id="login" name="login" method="post" action="a.php" onSubmit="">
      <tr>
        <td height="25"  align="right">用户名:</td>
        <td><input name="name" type="text" onmouseover="this.style.backgroundColor='#ffffff'" onMouseOut="this.style.backgroundColor='#e8f4ff'" size="15" /></td>
      </tr>
      <tr>
        <td height="25" align="right">密码:</td>
        <td><input name="password" type="password" id="password"  onmouseover="this.style.backgroundColor='#ffffff'" onMouseOut="this.style.backgroundColor='#e8f4ff'" size="15" /></td>
      </tr>
      <tr>
        <td height="25"align="right">验证码:</td>
        <td><input name="check" type="text" id="check"  onmouseover="this.style.backgroundColor='#ffffff'" onMouseOut="this.style.backgroundColor='#e8f4ff'" size="10" /><img src="code.php" id="code" /></td>
      </tr>

    /*

    mysql.php

    */

    <?php
        var $db_host    = 'localhost';
        var $db_username= 'root';
        var $db_password= '123';
        var $db_database= 'new';

       
            $db =mysql_connect($ db_host,$db_username,$-> db_password,$-> db_database);
            if (mysqli_connect_errno()) {
                echo "连接数据库失败!";
                exit;
            }
            return $db;
        }
        
    }
    ?>

    /*

    效果为*/

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  • 原文地址:https://www.cnblogs.com/axj1993/p/6415953.html
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