12月25日jQuery(AJAX请求)-九期线上班

登陆页HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登陆</title>
    <script src="jquery-3.4.1.min.js"></script>
    <script src="layer/layer.js"></script>
    <style>
        p{
            background-color: #0C9A9A;
            padding: 10px;
            margin: 10px 50px 0 50px;
            border-radius: 5px;
        }
        p input{
            border-radius: 5px;
        }
        button{
            background-color: #0a68b4;
            padding: 10px;
            margin: 10px 10px 0 50px;
            border-radius: 5px;
        }
    </style>
</head>
<form action="">
    <p>用户名：<input type="text" id="user" name="user"></p>
    <p>密码：<input type="password" id="pass" name="pass"></p>
    <button type="button" onclick="lpost()"> 登陆POST</button>
    <button type="button" onclick="lget()"> 登陆GET</button>
</form>
<script>
    function lpost() {
        var user = $.trim($('input[name="user"]').val());
        var pass = $.trim($('input[name="pass"]').val());
        $.post('/1225/lpost.php',$('form').serialize(),function(res){
            layer.alert(res.msg, {icon: res.icon});
            if(res.code==0){
                window.location.href = "/1225/user.html";
            }
        },'json');
    }
    function lget() {
        var user = $.trim($('input[name="user"]').val());
        var pass = $.trim($('input[name="pass"]').val());
        $.get('/1225/lget.php',{user:user,pass:pass},function (res) {
            layer.alert(res.msg, {icon: res.icon});
            if(res.code==0){
                window.location.href = "/1225/user.html";
            }
        },'json');
    }
</script>
</body>
</html>

<?php
$user = $_POST['user'];
$pass = $_POST['pass'];
if ($user=='' || $pass==''){
    $data = json_encode(
        [
            'code' => 400,
            'msg' => '账号密码信息填写不完整！',
            'icon' => 2
        ]
    );
    exit($data);
}
if ($user!='admin'){
    $data = json_encode(
        [
            'code' => 1,
            'msg' => '用户名错误',
            'icon' => 5
        ]
    );
    exit($data);
}
if ($pass!='123456'){
    $data = json_encode(
      [
          'code' => 2,
          'msg' => '密码错误',
          'icon' => 5
      ]
    );
    exit($data);
}
$data = json_encode(
    [
        'code' => 0,
        'msg' => '你好' . $user . '欢迎━(*｀∀´*)ノ亻!',
        'icon' => 1
    ]
);
exit($data);

<?php
$user = $_GET['user'];
$pass = $_GET['pass'];
if ($user=='' || $pass==''){
    $data = json_encode(
        [
            'code' => 400,
            'msg' => '账号密码信息填写不完整！',
            'icon' => 2
        ]
    );
    exit($data);
}
if ($user!='1'){
    $data = json_encode(
        [
            'code' => 1,
            'msg' => '用户名错误',
            'icon' => 5
        ]
    );
    exit($data);
}
if ($pass!='1'){
    $data = json_encode(
        [
            'code' => 2,
            'msg' => '密码错误',
            'icon' => 5
        ]
    );
    exit($data);
}
$data = json_encode(
    [
        'code' => 0,
        'msg' => '你好' . $user . '欢迎━(*｀∀´*)ノ亻!',
        'icon' => 1
    ]
);
exit($data);

登陆页HTML

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