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这篇文章主要介绍如何使用js实现五星评价功能，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
效果图：
代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>五星评价</title>
<style>
@font-face {
font-family: 'iconfont'; /* project id 247957 */
src: url('//at.alicdn.com/t/font_wkv6intmx8cnxw29.eot');
src: url('//at.alicdn.com/t/font_wkv6intmx8cnxw29.eot?#iefix') format('embedded-opentype'),
url('//at.alicdn.com/t/font_wkv6intmx8cnxw29.woff') format('woff'),
url('//at.alicdn.com/t/font_wkv6intmx8cnxw29.ttf') format('truetype'),
url('//at.alicdn.com/t/font_wkv6intmx8cnxw29.svg#iconfont') format('svg');
}
.iconfont {
font-family:"iconfont" !important;
font-size:16px;
font-style:normal;
-webkit-font-smoothing: antialiased;
-webkit-text-stroke-width: 0.2px;
-moz-osx-font-smoothing: grayscale;
}
body{
font-family: "microsoft yahei";
}
ul,li{
list-style: none;
padding:0;
margin:0;
}
a{
text-decoration: none;
}
.clearfix:after {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}
.order-evaluation {
width: 827px;
border: 2px solid #E84E40;
background: #fff;
z-index: 200;
margin:50px auto;
}
.order-evaluation{
padding:22px;
}
.order-evaluation h5{
font-size:18px;
color:#333333;
padding-bottom:20px;
border-bottom:1px dashed #dbdbdb;
}
.order-evaluation p{
font-size:14px;
color:#999;
line-height:45px;
margin-bottom:0;
}
.order-evaluation .order-evaluation-text{
font-size:16px;
color:#333;
line-height:40px;
width:809px;
padding-left:15px;
background:#f3f3f3;
margin-bottom:25px;
margin-top:20px;
}
.order-evaluation-checkbox ul li{
width:142px;
height:43px;
border:1px solid #e8e8e8;
text-align: center;
background: #fff;
font-size:14px;
color:#333333;
line-height:43px;
margin-right:25px;
margin-bottom:25px;
float:left;
cursor: pointer;
overflow: hidden;
position:relative;
}
.order-evaluation-checkbox ul li.checked i{
display: block;
}
.order-evaluation-checkbox ul li.checked{
border:1px solid #e84c3d;
}
.order-evaluation .order-evaluation-textarea{
position:relative;
width: 784px;
height: 210px;
}
.order-evaluation .order-evaluation-textarea textarea{
width:793px;
height:178px;
border:1px solid #e8e8e8;
position:absolute;
top:0;
left:0;
line-height:22px;
padding:15px;
color:#666;
}
.order-evaluation .order-evaluation-textarea span{
position:absolute;
bottom:10px;
font-size:12px;
color:#999;
right:10px;
}
.order-evaluation .order-evaluation-textarea span em{
color:#e84c3d;
}
.order-evaluation>a{
width:154px;
height:48px;
border-radius: 6px;
display: block;
text-align: center;
line-height:48px;
background:#f36a5a;
float:right;
margin-top:20px;
color:#fff;
font-size:14px;
}
.order-evaluation-checkbox ul li i {
display: none;
color: #e84c3d;
position: absolute;
right: -4px;
bottom: -14px;
font-size: 20px;
}
.order-evaluation>a:hover{
background: #e84c3d;
}
.block li label,.con span{ font-size: 18px; margin-right: 20px; line-height: 23px;}
.block li span{display: inline-block; vertical-align: middle; cursor: pointer;}
.block li span img{margin-right: -5px; }
.level{color:#e84c3d;font-size:16px;margin-left:15px;position: relative;top: 3px;}
.dmlei_tishi_info{
height:70px;border-radius: 10px;background: rgba(0,0,0,0.5);font-size:18px;color:#fff;text-align: center;line-height: 70px;position:fixed;
left: 48%;
display: none;
margin-left: -128px;
top: 40%;
margin-top: -35px;
padding: 0 15px;
z-index: 1000;
}
</style>
</head>
<body>
<div class="order-evaluation clearfix">
<h5>给“新闻订单”的评价</h5>
<p>请严肃认真对待此次评价哦！您的评价对我们真的真的非常重要！</p>
<div class="block">
<ul>
<li data-default-index="0">
<span>
<img src="http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png">
<img src="http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png">
<img src="http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png">
<img src="http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png">
<img src="http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png">
</span>
<em class="level"></em>
</li>
</ul>
</div>
<div class="order-evaluation-text">
本次交易，乖，摸摸头 给您留下了什么印象呢？
</div>
<div class="order-evaluation-checkbox">
<ul class="clearfix">
<li class="order-evaluation-check" data-impression="1">专业水平高<i class="iconfont icon-checked"></i></li>
<li class="order-evaluation-check" data-impression="2">交付准时<i class="iconfont icon-checked"></i></li>
<li class="order-evaluation-check" data-impression="3">效果明显<i class="iconfont icon-checked"></i></li>
<li class="order-evaluation-check" data-impression="4">数据分析准确<i class="iconfont icon-checked"></i></li>
<li class="order-evaluation-check" data-impression="5">能力待提高<i class="iconfont icon-checked"></i></li>
<li class="order-evaluation-check" data-impression="6">工期延误<i class="iconfont icon-checked"></i></li>
</ul>
</div>
<div class="order-evaluation-textarea">
<textarea name="content" id="TextArea1" onkeyup="words_deal();" ></textarea>
<span>还可以输入<em id="textCount">140</em>个字</span>
</div>
<a href="javascript:;" rel="external nofollow" id="order_evaluation">评价完成</a>
</div>
<div id="order_evaluate_modal" class="dmlei_tishi_info"></div>
</body>
<script src="//cdn.bootcss.com/jquery/3.1.1/jquery.min.js"></script>
<script>
/*
* 根据index获取 str
* **/
function byIndexLeve(index){
var str ="";
switch (index)
{
case 0:
str="差评";
break;
case 1:
str="较差";
break;
case 2:
str="中等";
break;
case 3:
str="一般";
break;
case 4:
str="好评";
break;
}
return str;
}
// 星星数量
var stars = [
['x2.png', 'x1.png', 'x1.png', 'x1.png', 'x1.png'],
['x2.png', 'x2.png', 'x1.png', 'x1.png', 'x1.png'],
['x2.png', 'x2.png', 'x2.png', 'x1.png', 'x1.png'],
['x2.png', 'x2.png', 'x2.png', 'x2.png', 'x1.png'],
['x2.png', 'x2.png', 'x2.png', 'x2.png', 'x2.png'],
];
$(".block li").find("img").hover(function(e) {
var obj = $(this);
var index = obj.index();
if(index < (parseInt($(".block li").attr("data-default-index")) -1)){
return ;
}
var li = obj.closest("li");
var star_area_index = li.index();
for (var i = 0; i < 5; i++) {
li.find("img").eq(i).attr("src", "http://7xnlea.com2.z0.glb.qiniucdn.com/" + stars[index][i]);//切换每个星星
}
$(".level").html(byIndexLeve(index));
}, function() {
})
$(".block li").hover(function(e) {
}, function() {
var index = $(this).attr("data-default-index");//点击后的索引
index = parseInt(index);
console.log("index",index);
$(".level").html(byIndexLeve(index-1));
console.log(byIndexLeve(index-1));
$(".order-evaluation ul li:eq(0)").find("img").attr("src","http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png");
for (var i=0;i<index;i++){
$(".order-evaluation ul li:eq(0)").find("img").eq(i).attr("src","http://7xnlea.com2.z0.glb.qiniucdn.com/x2.png");
}
})
$(".block li").find("img").click(function() {
var obj = $(this);
var li = obj.closest("li");
var star_area_index = li.index();
var index1 = obj.index();
li.attr("data-default-index", (parseInt(index1)+1));
var index = $(".block li").attr("data-default-index");//点击后的索引
index = parseInt(index);
console.log("index",index);
$(".level").html(byIndexLeve(index-1));
console.log(byIndexLeve(index-1));
$(".order-evaluation ul li:eq(0)").find("img").attr("src","http://7xnlea.com2.z0.glb.qiniucdn.com/x1.png");
for (var i=0;i<index;i++){
$(".order-evaluation ul li:eq(0)").find("img").eq(i).attr("src","http://7xnlea.com2.z0.glb.qiniucdn.com/x2.png");
}
});
//印象
$(".order-evaluation-check").click(function(){
if($(this).hasClass('checked')){
//当前为选中状态，需要取消
$(this).removeClass('checked');
}else{
//当前未选中，需要增加选中
$(this).addClass('checked');
}
});
//评价字数限制
function words_deal()
{
var curLength=$("#TextArea1").val().length;
if(curLength>140)
{
var num=$("#TextArea1").val().substr(0,140);
$("#TextArea1").val(num);
alert("超过字数限制，多出的字将被截断！" );
}
else
{
$("#textCount").text(140-$("#TextArea1").val().length);
}
}
$("#order_evaluation").click(function(){
$("#order_evaluate_modal").html("感谢您的评价！么么哒(* ￣3)(ε￣ *)").show().delay(3000).hide(500);
})
</script>
</html>以上是“如何使用js实现五星评价功能”这篇文章的所有内容，感谢各位的阅读！希望分享的内容对大家有帮助，更多相关知识，欢迎关注亿速云行业资讯频道！
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