html实现下拉框、switch开关、复选框效果

1、下拉框，效果如下图所示：

代码：

<style>
    .selectBox {
      width: 90px;
      margin: 50px;
    }

    .select {
      width: 90px;
      background-color: #17a6b5;
      height: 40px;
      cursor: pointer;
      display: flex;
      justify-content: center;
      align-items: center;
      border-radius: 3px;
    }

    .select img {
      width: 20px;
      cursor: pointer;
      transition: all 0.5s;
    }

    .selectOption {
      background-color: #666666;
      width: 90px;
      list-style: none;
      padding-left: 0;
      margin-top: 0;
      display: none;
    }

    .selectOption li {
      width: 100%;
      color: #ffffff;
      text-align: center;
      cursor: pointer;
    }

    .selectOption li:hover {
      background-color: #17a6b5;
    }
  </style>

<body>
  <div class="selectBox">
    <div class="select">
      <span class="selectText">北京</span>
    </div>
    <ul class="selectOption">
      <li class="selectOption1">北京</li>
      <li class="selectOption2">上海</li>
    </ul>
  </div>
  <script>
    var selectBox = document.getElementsByClassName(‘selectBox‘)[0]
    var Select = document.getElementsByClassName(‘select‘)[0]
    var selectText = document.getElementsByClassName(‘selectText‘)[0]
    var option = document.getElementsByClassName(‘selectOption‘)[0]
    var option1 = document.getElementsByClassName(‘selectOption1‘)[0]
    var option2 = document.getElementsByClassName(‘selectOption2‘)[0]
    // 点击select
    Select.onclick = function () {
      option.style.display = ‘block‘
    }
    // 鼠标移除
    selectBox.onmouseleave = function () {
      option.style.display = ‘none‘
    }
    option1.onclick = function () {
      option.style.display = ‘none‘
      selectText.innerHTML = ‘北京‘
    }
    option2.onclick = function () {
      option.style.display = ‘none‘
      selectText.innerHTML = ‘上海‘
    }
  </script>
</body>

2、switch开关，效果如下图所示：

html实现下拉框、switch开关、复选框效果

代码：

<style>
    .switch-container {
      height: 25px;
      width: 48px;
      margin: 50px;
      display: inline-block;
      overflow: hidden;
    }

    .switch-container input {
      display: none;
    }

    .switch-container label {
      display: block;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.25);
      cursor: pointer;
      border-radius: 25px;
      transition: all 0.4s ease;
    }

    .switch-container label:before {
      content: ‘‘;
      display: block;
      border-radius: 25px;
      height: 21px;
      width: 21px;
      box-shadow: 1px 1px 1px 1px rgba(0, 0, 0, 0.08);
      transition: all 0.4s ease;
      background-color: #fff;
      position: relative;
      right: -2px;
      top: 2px;
    }

    .switch-container input:checked~label:before {
      right: -25px;
      background-color: rgba(31, 255, 255, 1);
    }

    /* .switch-container input:checked~label {
      background-color: #1890ff;
    } */
  </style>

<body>
  <div class="switch-container">
    <input type="checkbox" id="user-switch" />
    <label for="user-switch"></label>
  </div>
</body>

2、复选框，效果如下图所示：

html实现下拉框、switch开关、复选框效果

代码：

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
  <title>Document</title>
  <style>
    .check {
      display: inline-block;
      cursor: pointer;
      margin: 50px;
    }

    .check input {
      display: inline-block;
      width: 14px;
      height: 14px;
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      outline: none;
      background: url(./images_select_bgs.png) no-repeat center center;
      background-size: 100% 100%;
      cursor: pointer;
      vertical-align: middle;
      margin-top: -3px;
    }

    .check input:checked {
      position: relative;
      background: url(./images_select_duihaos.png) no-repeat center center;
      background-size: 100% 100%;
    }
  </style>
</head>

<body>
  <label class="check"> <input type="checkbox" />复选框 </label>
</body>

</html>

html实现下拉框、switch开关、复选框效果

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