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js评分功能 javascript实现评分功能

Jeslie-He 人气:0

实现的效果如下:

具体代码如下:

html部分:

<!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">
 <link rel="stylesheet" href="./index.css" >

 <title>评分</title>
</head>

<body>
 <div id="starRating">
  <p class="photo">
  <span><i class="high"></i><i class="nohigh"></i></span>
  <span><i class="high"></i><i class="nohigh"></i></span>
  <span><i class="high"></i><i class="nohigh"></i></span>
  <span><i class="high"></i><i class="nohigh"></i></span>
  <span><i class="high"></i><i class="nohigh"></i></span>
  </p>
  <p class="starNum">0.0分</p>
  <div class="bottoms">
  <a class="garyBtn cancleStar">取消评分</a><a class="blueBtn sureStar">确认</a>
 </div>

 </div>
 <script src="./jquery.js"></script>
 <script src="./index.js"></script>

</body>

</html>

CSS部分:

#starRating .photo span{
 position: relative;
 display: inline-block;
 width: 44px;
 height: 42px;
 overflow: hidden;
 margin-right: 23px;
 cursor: pointer;
 /* border: 1px solid black; */
}
#starRating .photo span:last-child{
 margin-right: 0px;
}
#starRating .photo span .nohigh{
 position: absolute;
 width: 44px;
 height: 42px;
 top: 0;
 left: 0;
 background: url(./star.png);
}
#starRating .photo span .high {
 position: absolute;
 width: 44px;
 height: 42px;
 top: 0;
 left: 0;
 background: url(./star1.png);
}
#starRating .starNum {
 font-size: 26px;
 color: #de4414;
 margin-top: 4px;
 margin-bottom: 10px;
}
#starRating .photo{
 margin-top: 30px;
}
#starRating .bottoms a {
 margin-bottom: 0;
}
#starRating .bottoms .garyBtn {
 margin-right: 57px!important;
}
#starRating .bottoms a {
 width: 130px;
 height: 35px;
 line-height: 35px;
 border-radius: 3px;
 display: inline-block;
 font-size: 16px;
 transition: all 0.2s linear;
 margin: 16px 0 22px;
 text-align: center;
 cursor: pointer;
}
.garyBtn {
 margin-right: 60px!important;
 background-color: #e1e1e1;
 color: #999999;
}
.blueBtn {
 background-color: #1968b1;
 color: #fff;
}
.blueBtn:hover {
 background: #0e73d0;
}

index.js

$(function () {
 //评分
 var starRating = 0;
 //鼠标移入
 $('.photo span').on('mouseenter', function () {
  var index = $(this).index() + 1;
  $(this).prevAll().find('.high').css('z-index', 1);
  $(this).find('.high').css('z-index', 1);
  $(this).nextAll().find('.high').css('z-index', 0);
  $('.starNum').html((index * 2).toFixed(1) + '分');
 });
 //鼠标离开
 $('.photo').on('mouseleave', function () {
  $(this).find('.high').css('z-index', 0);
  var count = starRating / 2;
  console.log(count);
  if (count == 5) {
   $('.photo span').find('.high').css('z-index', 1);
  } else {
   $('.photo span').eq(count).prevAll().find('.high').css('z-index', 1);
  }
  $('.starNum').html(starRating.toFixed(1) + '分')
 }),
  //点击
  $('.photo span').on('click', function () {
   var index = $(this).index() + 1;
   $(this).prevAll().find('.high').css('z-index', 1)
   $(this).find('.high').css('z-index', 1);
   starRating = index * 2;
   $('.starNum').html(starRating.toFixed(1) + '分');
   //alert('评分:' + (starRating.toFixed(1) + '分'))
  });
  //取消评分
  $('.cancleStar').on('click',function () {
   starRating = 0;
   $('.photo span').find('.high').css('z-index',0);
   $('.starNum').html(starRating.toFixed(1)+'分');
  });
  //确定评分
  $('.sureStar').on('click',function () {
   if(starRating===0) {
    alert('最低一颗星!');
   } else {
    alert('评分:'+(starRating.toFixed(1)+'分'))
   }
  })
})

图片stat.png和stat1.png分别如下

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