html实现登录界面

一、代码<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>login</title><style>* {margin: 0;padding: 0;}html {

_远方_

27387人浏览 · 2021-06-10 18:29:21

_远方_ · 2021-06-10 18:29:21 发布

一、代码

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <title>login</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
         
        html {
            height: 100%;
            width: 100%;
            overflow: hidden;
            margin: 0;
            padding: 0;
            background: url(background.png) no-repeat 0px 0px;
            background-repeat: no-repeat;
            background-size: 100% 100%;
            -moz-background-size: 100% 100%;
        }
         
        body {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
        }
         
        #loginDiv {
            width: 400px;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 400px;
            background-color: rgba(75, 81, 95, 0.3);
            box-shadow: 7px 7px 17px rgba(52, 56, 66, 0.5);
            border-radius: 250px;
        }
         
        
        p {
            margin-top: 30px;
            margin-left: 20px;
            color: azure;
        }
         
        input {
            margin-left: 15px;
            border-radius: 5px;
            border-style: hidden;
            height: 30px;
            width: 140px;
            background-color: rgba(216, 191, 216, 0.5);
            outline: none;
            color: #f0edf3;
            padding-left: 10px;
        }
         
        .button {
            border-color: cornsilk;
            background-color: rgba(100, 149, 237, .7);
            color: aliceblue;
            border-style: hidden;
            border-radius: 5px;
            width: 100px;
            height: 31px;
            font-size: 16px;
        }
    </style>
    <style type="text/css">
        input::-ms-input-placeholder{text-align: center;}
        input::-webkit-input-placeholder{text-align: center;}
    </style>
</head>
 
<body>
    <div id="loginDiv">
        <form action="" id="form">
            <h1 style="text-align: center;color: aliceblue;">立即登录</h1>
            <p>邮箱:<input id="email" type="text"></p>
            
            <p>密码:<input id="password" type="password" placeholder="密码长度至少为6位"></p>
            <p style="text-align: center;color: darkgray;"><a href="#">忘记密码?</a></p>
            <div style="text-align: center;margin-top: 30px;">
                <input type="button" class="button" value="登录" onclick="login_click()">
                <input type="button" class="button" value="注册" onclick="register_click()">
            </div>
        </form>

        <script>

            //获取注册时存储在localStorage中的值
            var sex=localStorage.getItem("sex");
            var password=localStorage.getItem("password");
            var email=localStorage.getItem("email");
            var username=localStorage.getItem("username");

            //注册按钮跳转
            function register_click(){
                window.location.href="register.html";
            }

            //判断登录是否成功
            function login_click(){
                //获取用户输入的信息
                var email1=document.getElementById("email").value;
                var password1=document.getElementById("password").value;
                
                //判断输入的信息和注册的信息是否一致
                if(email1!='' && password1!=''){
                    if (email1==email && password==password1){
                        window.location.href="My_Album.html";
                    }
                    else{
                        alert("邮箱或密码错误，请重新输入！");
                    }
                }
                else{
                    alert("邮箱或密码不能为空！");
                }
                
            }
        </script>
    </div>
 
</body>
</html>