弹出层

2019-11-19  本文已影响0人  王远清orz

模拟百度登陆页面

<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 {
      width: 512px;
      position: absolute;
      border: #ebebeb solid 1px;
      height: 280px;
      left: 50%;
      right: 50%;
      background: #ffffff;
      box-shadow: 0px 0px 20px #ddd;
      z-index: 9999;
      margin-left: -256px;
      margin-top: 140px;
      display: none;
    }

    .login-title {
      width: 100%;
      margin: 10px 0px 0px 0px;
      text-align: center;
      line-height: 40px;
      height: 40px;
      font-size: 18px;
      position: relative;
      cursor: move;
      -moz-user-select: none;
      /*火狐*/
      -webkit-user-select: none;
      /*webkit浏览器*/
      -ms-user-select: none;
      /*IE10*/
      -khtml-user-select: none;
      /*早期浏览器*/
      user-select: none;
    }

    .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 {
      width: 100%;
      height: 100%;
      position: fixed;
      top: 0px;
      left: 0px;
      background: #000000;
      filter: alpha(opacity=30);
      -moz-opacity: 0.3;
      -khtml-opacity: 0.3;
      opacity: 0.3;
      display: none;
    }

    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>

<body>
  <div class="login-header"><a id="link" href="javascript:void(0);">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 src="common.js"></script>
  <script>
    var link = document.getElementById('link');
    var login = document.getElementById('login');
    var id = document.getElementById('bg');
    var closeBtn = document.getElementById('closeBtn');
    var title = document.getElementById('title');
    // 给link注册点击事件
    link.onclick = function () { 
      bg.style.display = 'block';
      login.style.display = 'block';
      return false;
    }
    // 鼠标拖拽盒子移动
    title.onmousedown = function (e) {
      e = e || window.event;
      // 获取鼠标的坐标
      var pageX = getPage(e).pageX;
      var pageY = getPage(e).pageY;

      // 鼠标在盒子中的位置 = 鼠标的位置 - 盒子的位置
      var x = pageX - login.offsetLeft;
      var y = pageY - login.offsetTop;

      document.onmousemove = function (e) {
        e = e || window.event;

        // 盒子的位置 = 鼠标的位置 - 鼠标在盒子中位置
        var boxX = getPage(e).pageX - x;
        var boxY = getPage(e).pageY - y;
        
        // 样式中有margin-left和margin-top的值,需要补回来
        login.style.left = boxX + 256 + 'px';
        login.style.top = boxY - 140 + 'px';
      }

      document.onmouseup = function () {
        document.onmousemove = null;
      }
    }

    //  关闭弹层
    closeBtn.onclick = function () {
      bg.style.display = 'none';
      login.style.display = 'none';
    }
  </script>
</body>
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