点星星代码实现
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2022-05-18 09:14:32
点星星代码实现
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点星星代码实现
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> body,ul,li{ padding:0; margin:0; } li { list-style-type: none; } .rating { width: 130px; height: 26px; margin: 100px auto; } .rating-item { float: left; width: 26px; height: 26px; background: url(star1.png) no-repeat center; } </style> </head> <body> <ul class="rating" id="rating"> <li class="rating-item" title="很不好"></li> <li class="rating-item" title="不好"></li> <li class="rating-item" title="一般"></li> <li class="rating-item" title="好"></li> <li class="rating-item" title="很好"></li> </ul> <ul class="rating" id="rating2"> <li class="rating-item" title="很不好"></li> <li class="rating-item" title="不好"></li> <li class="rating-item" title="一般"></li> <li class="rating-item" title="好"></li> <li class="rating-item" title="很好"></li> </ul> <script src="http://cdn.static.runoob.com/libs/jquery/1.10.2/jquery.min.js"></script> <script> var rating=(function(){ // 点亮 var init=function(el,num){ var $rating =$(el), $item=$rating.find('.rating-item'); var lightOn=function($item,num){ $item.each(function(index){ if(index<num){ $(this).css('background-image','url(star2.png)'); }else{ $(this).css('background-image','url(star1.png)'); } }); }; // 初始化 lightOn($item,num); // 事件绑定 $rating.on('mouseover','.rating-item',function() { lightOn($item,$(this).index()+1); //加一是因为上面是小于 }).on('click','.rating-item',function(){ num=$(this).index()+1; //直接改变num值 }).on('mouseout',function(){ //离开时显示 lightOn($item,num); }); }; // jq封装 $.fn.extend({ rating:function(num){ return this.each(function(){ init(this,num); }); } }) return { init:init }; })(); $('#rating').rating(1); $('#rating2').rating(4); </script> </body> </html>
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