js 拟写登录页可以拖动登录框

<!DOCTYPE html>

<html>

<head lang="en">

    <meta charset="UTF-8">

    <title></title>

    <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, .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>

    <!-- 遮盖层 -->

    <div id="bg" class="login-bg"></div>

  <script>

      //获取动态元素

      var login_header= document.querySelector('.login-header');

      var login       = document.querySelector('.login')

      var login_bg    = document.querySelector('#bg')

      var login_close = document.querySelector('#closeBtn')

      var login_title = document.querySelector('#title')

      //点击获取登录页面

      login_header.addEventListener('click',function(){

          login.style.display= 'block';

          login_bg.style.display = 'block';

      })

      //点击关闭登录页面

      login_close.addEventListener('click',function(){

          login.style.display= 'none';

          login_bg.style.display = 'none';

      })

      login_title.addEventListener('mousedown',function(e){

          //鼠标在盒子内部的坐标

          var x = e.pageX - login.offsetLeft;

          var y = e.pageY - login.offsetTop;

          //动态获取盒子的坐标

          document.addEventListener('mousemove',move)

          function move(e){

            login.style.left = e.pageX - x + 'px';

            login.style.top  = e.pageY - y + 'px';

          }

          //移除鼠标移动触发效果

          document.addEventListener('mouseup',function(){

              document.removeEventListener('mousemove',move)

          })

      })

  </script>

</body>

</html>
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js 拟写登录页可以拖动登录框

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巴特西

js 拟写登录页 可以拖动登录框

最新文章

热门文章

js 拟写登录页可以拖动登录框
