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  • php登陆和注册

    注册界面

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    <form action="conduct.php" method="post">
        <input type="text" name="name" placeholder="用户名">
        <input type="password" name="dw" placeholder="密码">
        <input type="submit" value="提交">
    </form>
    </body>
    </html>

    注册处理界面

    <?php
    
    $name = $_POST['name'];
    $dw = md5($_POST['dw']);
    require_once "../ZY/YIN.class.php";
    $db = new YIN();
    $obj = "select count(*) from zc WHERE uname = '{$name}'";
    $data = $db->StrQuery($obj);
    //var_dump($data);
    if ($data!='0'){
        exit("用户名重复");
    }else{
        $sql = "insert into zc VALUES (NULL,'{$name}','{$dw}','')";
        $data = $db->Query($sql,0);
        echo "注册成功";
    }

    登陆界面

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    <form method="post" action="dlcl.php">
        <input type="text" name="uname" placeholder="用户名">
        <input type="password" name="m" placeholder="密码">
        <input type="submit" value="登陆">
    </form>
    
    </body>
    </html>

    登陆处理

    <?php
    
    $name = $_POST['uname'];
    $m = $_POST['m'];
    //var_dump($_POST);
    require_once "YIN.class.php";
    $db = new YIN();
    $obj = "select count(*) from zc WHERE uname = '{$name}'";
    $data = $db->StrQuery($obj,1);
    //var_dump($data);
    if ($data != "0" ){
    //    echo "成功";
    $obj_m = "select count(*) from zc WHERE pad = '{$m}'";
    $data_m = $db->StrQuery($obj_m,1);
    if ($data_m!="0"){
    //    var_dump($data_m);
        echo "登陆成功";
    }else{
        header("location:denglu.php");
    }
    }else{
        header("location:denglu.php");
    }
    ?>
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/dej-11/p/7727808.html
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