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点击可以展开和关闭的搜索框代码实例

快乐打工仔 分类：实例代码

本章节分享一段代码实例，它实现了点击可以使搜索伸长和关闭。

具有动画效果，非常的美化，这是jQuery结合css3实现的。

代码实例如下:

<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="author" content="http://www.pipipi.net/" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>CSS3搜索框动画特效</title>
<style type="text/css">
html, body {
  height: 100%;
}
body {
  padding: 0px;
  margin: 0px;
  background: url(demo/jQuery/img/image.jpg);
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
  background-repeat: no-repeat;
}
.search-wrapper {
  position: absolute;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  top: 50%;
  left: 50%;
}
.search-wrapper .input-holder {
  overflow: hidden;
  height: 70px;
  background: rgba(255,255,255,0);
  border-radius: 6px;
  position: relative;
  width: 70px;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}
.search-wrapper.active .input-holder {
  border-radius: 50px;
  width: 450px;
  background: rgba(0,0,0,0.5);
  -webkit-transition: all .5s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  -moz-transition: all .5s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  transition: all .5s cubic-bezier(0.000, 0.105, 0.035, 1.570);
}
.search-wrapper .input-holder .search-input {
  width: 100%;
  height: 50px;
  padding: 0px 70px 0 20px;
  opacity: 0;
  position: absolute;
  top: 0px;
  left: 0px;
  background: transparent;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: none;
  outline: none;
  font-family: "Open Sans", Arial, Verdana;
  font-size: 16px;
  font-weight: 400;
  line-height: 20px;
  color: #FFF;
  -webkit-transform: translate(0, 60px);
  -moz-transform: translate(0, 60px);
  transform: translate(0, 60px);
  -webkit-transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  -moz-transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  -webkit-transition-delay: 0.3s;
  -moz-transition-delay: 0.3s;
  transition-delay: 0.3s;
}
.search-wrapper.active .input-holder .search-input {
  opacity: 1;
  -webkit-transform: translate(0, 10px);
  -moz-transform: translate(0, 10px);
  transform: translate(0, 10px);
}
.search-wrapper .input-holder .search-icon {
  width: 70px;
  height: 70px;
  border: none;
  border-radius: 6px;
  background: #FFF;
  padding: 0px;
  outline: none;
  position: relative;
  z-index: 2;
  float: right;
  cursor: pointer;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}
.search-wrapper.active .input-holder .search-icon {
  width: 50px;
  height: 50px;
  margin: 10px;
  border-radius: 30px;
}
.search-wrapper .input-holder .search-icon span {
  width: 22px;
  height: 22px;
  display: inline-block;
  vertical-align: middle;
  position: relative;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transition: all .4s cubic-bezier(0.650, -0.600, 0.240, 1.650);
  -moz-transition: all .4s cubic-bezier(0.650, -0.600, 0.240, 1.650);
  transition: all .4s cubic-bezier(0.650, -0.600, 0.240, 1.650);
}
.search-wrapper.active .input-holder .search-icon span {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.search-wrapper .input-holder .search-icon span::before, .search-wrapper .input-holder .search-icon span::after {
  position: absolute;
  content: '';
}
.search-wrapper .input-holder .search-icon span::before {
  width: 4px;
  height: 11px;
  left: 9px;
  top: 18px;
  border-radius: 2px;
  background: #974BE0;
}
.search-wrapper .input-holder .search-icon span::after {
  width: 14px;
  height: 14px;
  left: 0px;
  top: 0px;
  border-radius: 16px;
  border: 4px solid #974BE0;
}
.search-wrapper .close {
  position: absolute;
  z-index: 1;
  top: 24px;
  right: 20px;
  width: 25px;
  height: 25px;
  cursor: pointer;
  -webkit-transform: rotate(-180deg);
  -moz-transform: rotate(-180deg);
  transform: rotate(-180deg);
  -webkit-transition: all .3s cubic-bezier(0.285, -0.450, 0.935, 0.110);
  -moz-transition: all .3s cubic-bezier(0.285, -0.450, 0.935, 0.110);
  transition: all .3s cubic-bezier(0.285, -0.450, 0.935, 0.110);
  -webkit-transition-delay: 0.2s;
  -moz-transition-delay: 0.2s;
  transition-delay: 0.2s;
}
.search-wrapper.active .close {
  right: -50px;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transition: all .6s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  -moz-transition: all .6s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  transition: all .6s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  -webkit-transition-delay: 0.5s;
  -moz-transition-delay: 0.5s;
  transition-delay: 0.5s;
}
.search-wrapper .close::before, .search-wrapper .close::after {
  position: absolute;
  content: '';
  background: #FFF;
  border-radius: 2px;
}
.search-wrapper .close::before {
  width: 5px;
  height: 25px;
  left: 10px;
  top: 0px;
}
.search-wrapper .close::after {
  width: 25px;
  height: 5px;
  left: 0px;
  top: 10px;
}
.search-wrapper .result-container {
  width: 100%;
  position: absolute;
  top: 80px;
  left: 0px;
  text-align: center;
  font-family: "Open Sans", Arial, Verdana;
  font-size: 14px;
  display: none;
  color: #B7B7B7;
}
@media screen and (max-width: 560px) {
  .search-wrapper.active .input-holder {
    width: 200px;
  }
}
</style>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<script type="text/javascript">
function searchToggle(obj, evt){
  var container = $(obj).closest('.search-wrapper');
  if(!container.hasClass('active')){
    container.addClass('active');
    evt.preventDefault();
  }
  else if(container.hasClass('active') && $(obj).closest('.input-holder').length == 0){
    container.removeClass('active');
    container.find('.search-input').val('');
    container.find('.result-container').fadeOut(100, function(){$(this).empty();});
  }
}
$(document).ready(function () {
  $(".search-icon").click(function () {
    searchToggle(this, event);
  })
  $(".close").click(function () {
    searchToggle(this, event);
  })
})
</script>
</head>
<body>
<form>
<div class="search-wrapper">
  <div class="input-holder">
    <input type="text" class="search-input" placeholder="请输入关键字" />
    <button class="search-icon"><span></span></button>
  </div>
  <span class="close"></span>
  <div class="result-container"></div>
</div>
</form> 
</body>
</html>

点击可以展开和关闭的搜索框代码实例，这样的场景在实际项目中还是用的比较多的，关于点击可以展开和关闭的搜索框代码实例就介绍到这了。

点击可以展开和关闭的搜索框代码实例属于前端实例代码，有关更多实例代码大家可以查看。

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