美觀開關按鈕程式碼例項

antzone發表於2017-04-17

分享一段程式碼例項，它實現了開關按鈕。

並且此效果非常的逼真，基本完全模擬了現實使用情況。

程式碼例項如下:

[HTML] 純文字檢視 複製程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<style>
html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: #ca9f6a;
  background: -webkit-radial-gradient(ellipse at center, #ca9f6a 0%, #ad7846 100%);
  background: radial-gradient(ellipse at center, #ca9f6a 0%, #ad7846 100%);
  font-family: "Open Sans";
}
.canvas {
  padding: 20px;
  text-align: center;
}
.switch {
  margin: 50px;
  display: inline-block;
}
 
.switch {
  width: 300px;
  height: 280px;
  padding: 5px 0;
  background-color: #9d9d9d;
  background-image: -webkit-linear-gradient(#b5b5b5, #cecece, #9d9d9d);
  background-image: linear-gradient(#b5b5b5, #cecece, #9d9d9d);
  border: 2px solid #916749;
  -webkit-border-radius: 45px;
  border-radius: 45px;
  -webkit-box-shadow: 0 5px 10px rgba(0,0,0,0.3), inset 0 0 3px #333;
  box-shadow: 0 5px 10px rgba(0,0,0,0.3), inset 0 0 3px #333;
  position: relative;
}
.switch:before {
  content: "";
  display: block;
  background-color: #ededed;
  background-image: -webkit-linear-gradient(#e6e6e6, #d5d5d5 49%, #e1e1e1);
  background-image: linear-gradient(#e6e6e6, #d5d5d5 49%, #e1e1e1);
  position: absolute;
  top: 10px;
  bottom: 5px;
  left: 3px;
  right: 3px;
  -webkit-border-radius: 45px;
  border-radius: 45px;
  -webkit-box-shadow: 0 -6px 1px rgba(255,255,255,0.65), inset 0 2px 8px #d5d5d5;
  box-shadow: 0 -6px 1px rgba(255,255,255,0.65), inset 0 2px 8px #d5d5d5;
}
.switch-button-outer {
  width: 42%;
  height: 66%;
  margin: 17% auto 0;
  padding-bottom: 17%;
  overflow: hidden;
  position: relative;
  z-index: 1;
  -webkit-border-radius: 35px;
  border-radius: 35px;
}
.switch-button-outer:before {
  content: "";
  background: -webkit-linear-gradient(#afb3b5 0%, #d5d8d9 100%);
  background: linear-gradient(#afb3b5 0%, #d5d8d9 100%);
  width: 100%;
  top: 0;
  left: 0;
  position: absolute;
  bottom: 21%;
  z-index: 1;
  -webkit-border-radius: 30px;
  border-radius: 30px;
  -webkit-box-shadow: 0 0 3px rgba(255,255,255,0.4);
  box-shadow: 0 0 3px rgba(255,255,255,0.4);
}
.switch-button {
  height: 90%;
  width: 86%;
  background: -webkit-linear-gradient(#f3f3f3, #fff);
  background: linear-gradient(#f3f3f3, #fff);
  -webkit-border-radius: 30px;
  border-radius: 30px;
  overflow: auto;
  position: relative;
  top: 5%;
  left: 7%;
  cursor: pointer;
  -webkit-box-shadow: 0 16px 8px -8px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
  box-shadow: 0 16px 8px -8px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
  z-index: 2;
}
.switch-button-inner {
  width: 98%;
  height: 87%;
  margin: 0 1%;
  background: -webkit-linear-gradient(#9d9d9d, #dedede, #f0f0f0);
  background: linear-gradient(#9d9d9d, #dedede, #f0f0f0);
  position: absolute;
  bottom: 0;
  -webkit-border-radius: 25px;
  border-radius: 25px;
  position: absolute;
  z-index: 3;
}
.switch-button-inner:before {
  content: "";
  height: 16px;
  width: 4px;
  margin-left: -2px;
  background-color: rgba(0,0,0,0.1);
  border-bottom: 2px solid rgba(255,255,255,0.5);
  position: absolute;
  top: 10px;
  left: 50%;
  -webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.2) inset;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2) inset;
}
.switch-button-inner:after {
  content: "";
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0,0,0,0.08);
  margin-left: -12px;
  position: absolute;
  left: 50%;
  bottom: 10px;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  -webkit-box-shadow: 0 2px 0 rgba(255,255,255,0.7);
  box-shadow: 0 2px 0 rgba(255,255,255,0.7);
}
.switch:hover .switch-button {
  background-image: -webkit-linear-gradient(#fcfcfc, #fff);
  background-image: linear-gradient(#fcfcfc, #fff);
  -webkit-box-shadow: 0 14px 8px -7px rgba(0,0,0,0.33) inset, 
    0 -6px 8px -4px rgba(0,0,0,0.33) inset, 
    0 0 3px rgba(0,0,0,0.85);
  box-shadow: 0 14px 8px -7px rgba(0,0,0,0.33) inset, 
    0 -6px 8px -4px rgba(0,0,0,0.33) inset, 
    0 0 3px rgba(0,0,0,0.85);
}
.switch:hover .switch-button-inner {
  bottom: 3px;
  background: -webkit-linear-gradient(#bababa, #dedede 40%, #e4e4e4);
  background: linear-gradient(#bababa, #dedede 40%, #e4e4e4);
  -webkit-box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
  box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
}
.switch:hover .switch-button-inner:before {
  top: 9.5px;
}
.switch:hover .switch-button-inner:after {
  height: 19px;
}
.switch.checked .switch-button-outer:after {
  content: "";
  height: 50%;
  width: 80%;
  background: transparent;
  position: absolute;
  top: 6%;
  left: 10%;
  z-index: 1;
  -webkit-border-radius: 20px;
  border-radius: 20px;
  -webkit-box-shadow: 0 60px 25px rgba(0,0,0,0.35);
  box-shadow: 0 60px 25px rgba(0,0,0,0.35);
}
.switch.checked .switch-button {
  background-image: -webkit-linear-gradient(#fff, #f3f3f3);
  background-image: linear-gradient(#fff, #f3f3f3);
  -webkit-box-shadow: 0 -3px 8px rgba(255,255,255,0.5) inset, 
    0 -15px 0px rgba(0,0,0,0.33) inset, 
    0 0 3px rgba(0,0,0,0.85);
  box-shadow: 0 -3px 8px rgba(255,255,255,0.5) inset, 
    0 -15px 0px rgba(0,0,0,0.33) inset, 
    0 0 3px rgba(0,0,0,0.85);
}
.switch.checked .switch-button:before {
  content: "";
  width: 100%;
  height: 20px;
  margin-left: -50%;
  background-image: -webkit-radial-gradient(ellipse at bottom center, rgba(255,255,255,0.7), rgba(255,255,255,0) 70%);
  background-image: radial-gradient(ellipse at bottom center, rgba(255,255,255,0.7), rgba(255,255,255,0) 70%);
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
}
.switch.checked .switch-button-inner {
  background: -webkit-linear-gradient(#ddd, #dedede, #fff);
  background: linear-gradient(#ddd, #dedede, #fff);
  bottom: auto;
  top: 2px;
}
.switch.checked .switch-button-inner:before {
  height: 18px;
}
.switch.checked .switch-button-inner:after {
  height: 16px;
}
.switch.checked:hover .switch-button {
  background-image: -webkit-linear-gradient(#f3f3f3, #fff);
  background-image: linear-gradient(#f3f3f3, #fff);
  -webkit-box-shadow: 0 1px 8px rgba(255,255,255,0.5) inset, 
    0 -13px 0px rgba(0,0,0,0.33) inset, 
    0 0 3px rgba(0,0,0,0.85);
  box-shadow: 0 1px 8px rgba(255,255,255,0.5) inset, 
    0 -13px 0px rgba(0,0,0,0.33) inset, 
    0 0 3px rgba(0,0,0,0.85);
}
.switch.checked:hover .switch-button:before {
  background-image: -webkit-radial-gradient(ellipse at bottom center, rgba(255,255,255,0.6), rgba(255,255,255,0) 60%);
  background-image: radial-gradient(ellipse at bottom center, rgba(255,255,255,0.6), rgba(255,255,255,0) 60%);
}
.switch.checked:hover .switch-button-inner {
  background: -webkit-linear-gradient(#d2d2d2, #dedede, #fff);
  background: linear-gradient(#d2d2d2, #dedede, #fff);
  bottom: auto;
  top: 5px;
  -webkit-box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
  box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
}
.switch.checked:hover .switch-button-inner:before {
  top: 9.5px;
}
.switch.checked:hover .switch-button-inner:after {
  height: 19px;
  bottom: 9px;
}
.screws {
  position: absolute;
  width: 100%;
  height: 100%;
}
.screw {
  display: block;
  width: 16px;
  height: 16px;
  background-color: rgba(0,0,0,0.6);
  background-image: -webkit-radial-gradient(circle at top center, #fcfcfc, transparent);
  background-image: radial-gradient(circle at top center, #fcfcfc, transparent);
  border: 1px solid #999;
  color: rgba(0,0,0,0.85);
  font-family: 'Open Sans';
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  line-height: 20px;
  position: absolute;
  left: 25px;
  top: 20px;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  -webkit-box-shadow: 0 2px 1px rgba(255,255,255,0.5);
  box-shadow: 0 2px 1px rgba(255,255,255,0.5);
}
.screw:before {
  content: "";
  width: 100%;
  height: 60%;
  background-image: -webkit-radial-gradient(center bottom, rgba(255,255,255,0.5) 50%, transparent);
  background-image: radial-gradient(center bottom, rgba(255,255,255,0.5) 50%, transparent);
  position: absolute;
  bottom: 0;
  left: 0;
  -webkit-border-radius: 50%;
  border-radius: 50%;
}
.screw:nth-child(2) {
  left: auto;
  right: 25px;
}
.screw:nth-child(3),
.screw:nth-child(4) {
  top: auto;
  bottom: 25px;
}
.screw:nth-child(4) {
  right: 25px;
  left: auto;
}
</style>
</head>
<body>
  <div class="canvas">
    <!-- Checked -->
    <div class="switch">
      <div class="screws">
        <span class="screw">*</span>
        <span class="screw">*</span>
        <span class="screw">*</span>
        <span class="screw">*</span>
      </div>
      <div class='switch-button-outer'>
        <div class="switch-button">
          <div class="switch-button-inner"></div>
        </div>
      </div>
    </div>
  </div>
  <script type="text/javascript">
    function Switch(node) {
      this.switchRoot = node;
      this.switchRoot.onclick = this.switchClickEventHanlder;
    }
 
    Switch.prototype.switchClickEventHanlder = function (e) {
      e.target = e.target || e.srcElement;
      if (e.target.className.indexOf("switch-button") < 0) return;
      if (!this.classList.contains("checked")) {
        this.classList.add("checked");
      } else {
        this.classList.remove("checked");
      }
      this.checked = !this.checked;
    };
 
    var switches = document.querySelectorAll(".switch");
 
    if (typeof switches !== "undefined" && switches.length) {
      for (var i = switches.length - 1; i >= 0; --i) {
        new Switch(switches[i]);
      }
    }
  </script>
</body>
</html>

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