拖动的模态框
Tutorial: DOM实战
Category: JS
Published: 2026-04-07 13:58:26
Views: 20
Likes: 0
Comments: 0
一、拖动的模态框简版
<!DOCTYPE html>
<html lang="en">
<head>
<style>
* {
padding: 0px;
margin: 0px;
}
.login-btn {
text-align: center;
border: 1px solid #eee;
}
.login-box {
display: none;
position: fixed;
width: 512px;
height: 280px;
border: 1px solid blue;
position: fixed;
left: 50%;
top: 50%;
background: #ffffff;
box-shadow: 0px 0px 20px #ddd;
z-index: 9999;
transform: translate(-50%, -50%);
}
.login-box div,
p {
border-bottom: 1px solid blue;
box-sizing: border-box;
text-align: center;
}
.box-dragger {
padding: 5px 0;
cursor: move;
}
.content {
height: 200px;
}
.login-bg {
display: none;
width: 100%;
height: 100%;
position: fixed;
top: 0px;
left: 0px;
background: rgba(0, 0, 0, 0.3);
}
</style>
</head>
<body>
<div class="login-btn">点我登录</div>
<div class="login-box">
<div class="box-dragger">拖动部分</div>
<div class="box-content">
<p class="content">内容部分</p>
<p class="close-btn">点我关闭</p>
</div>
</div>
<div class="login-bg"></div>
<script>
const logBtn = document.querySelector(".login-btn");
const logBox = document.querySelector(".login-box");
const logBg = document.querySelector(".login-bg");
logBtn.addEventListener("click", function () {
this.style.display = "none";
logBox.style.display = "block";
logBg.style.display = "block";
});
const closeBtn = document.querySelector(".close-btn");
closeBtn.addEventListener("click", function () {
logBox.style.display = "none";
logBg.style.display = "none";
logBtn.style.display = "block";
});
const dragger = document.querySelector(".box-dragger");
dragger.addEventListener("mousedown", function (e) {
var x = e.pageX - logBox.offsetLeft;
var y = e.pageY - logBox.offsetTop;
document.addEventListener("mousemove", move);
function move(e) {
logBox.style.left = e.pageX - x + "px";
logBox.style.top = e.pageY - y + "px";
}
document.addEventListener("mouseup", function () {
document.removeEventListener("mousemove", move);
});
});
</script>
</body>
</html>
二、拖动的模态框标准版
<!DOCTYPE html>
<html>
<head lang="en">
<style>
.login-header {
width: 100%;
text-align: center;
height: 30px;
font-size: 24px;
line-height: 30px;
}
ul,
li,
ol,
dl,
dt,
dd,
div,
p,
span,
h1,
h2,
h3,
h4,
h5,
h6,
a {
padding: 0px;
margin: 0px;
}
.login {
display: none;
width: 512px;
height: 280px;
position: fixed;
border: #ebebeb solid 1px;
left: 50%;
top: 50%;
background: #ffffff;
box-shadow: 0px 0px 20px #ddd;
z-index: 9999;
transform: translate(-50%, -50%);
}
.login-title {
width: 100%;
margin: 10px 0px 0px 0px;
text-align: center;
line-height: 40px;
height: 40px;
font-size: 18px;
position: relative;
cursor: move;
}
.login-input-content {
margin-top: 20px;
}
.login-button {
width: 50%;
margin: 30px auto 0px auto;
line-height: 40px;
font-size: 14px;
border: #ebebeb 1px solid;
text-align: center;
}
.login-bg {
display: none;
width: 100%;
height: 100%;
position: fixed;
top: 0px;
left: 0px;
background: rgba(0, 0, 0, 0.3);
}
a {
text-decoration: none;
color: #000000;
}
.login-button a {
display: block;
}
.login-input input.list-input {
float: left;
line-height: 35px;
height: 35px;
width: 350px;
border: #ebebeb 1px solid;
text-indent: 5px;
}
.login-input {
overflow: hidden;
margin: 0px 0px 20px 0px;
}
.login-input label {
float: left;
width: 90px;
padding-right: 10px;
text-align: right;
line-height: 35px;
height: 35px;
font-size: 14px;
}
.login-title span {
position: absolute;
font-size: 12px;
right: -20px;
top: -30px;
background: #ffffff;
border: #ebebeb solid 1px;
width: 40px;
height: 40px;
border-radius: 20px;
}
</style>
</head>
<body>
<div class="login-header">
<a id="link" href="javascript:;">点击, 弹出登录框</a>
</div>
<div id="login" class="login">
<div id="title" class="login-title">
登录会员
<span
><a id="closeBtn" href="javascript:void(0);" class="close-login"
>关闭</a
></span
>
</div>
<div class="login-input-content">
<div class="login-input">
<label>用户名：</label>
<input
type="text"
placeholder="请输入用户名"
name="info[username]"
id="username"
class="list-input"
/>
</div>
<div class="login-input">
<label>登录密码：</label>
<input
type="password"
placeholder="请输入登录密码"
name="info[password]"
id="password"
class="list-input"
/>
</div>
</div>
<div id="loginBtn" class="login-button">
<a href="javascript:void(0);" id="login-button-submit">登录会员</a>
</div>
</div>
<div id="bg" class="login-bg"></div>
<script>
var login = document.querySelector(".login");
var mask = document.querySelector(".login-bg");
var link = document.querySelector("#link");
var closeBtn = document.querySelector("#closeBtn");
var title = document.querySelector("#title");
link.addEventListener("click", function () {
mask.style.display = "block";
login.style.display = "block";
});
closeBtn.addEventListener("click", function () {
mask.style.display = "none";
login.style.display = "none";
});
title.addEventListener("mousedown", function (e) {
var x = e.pageX - login.offsetLeft;
var y = e.pageY - login.offsetTop;
document.addEventListener("mousemove", move);
function move(e) {
login.style.left = e.pageX - x + "px";
login.style.top = e.pageY - y + "px";
}
document.addEventListener("mouseup", function () {
document.removeEventListener("mousemove", move);
});
});
</script>
</body>
</html>