源生JS实现网页分页

php中世界最好的语言原创: 2018-04-19 11:38:571616浏览

这次给大家带来源生JS实现网页分页，源生JS实现网页分页的注意事项有哪些，下面就是实战案例，一起来看一下。

<html>
 <head>
  <style>
   *{padding:0;margin:0}
   ul,li{list-style:none}
   .left{float:left}
   .right{float:left}
   .page_container{height:
 30px; line-height: 30px;width: 510px;overflow: hidden;text-align: 
center;padding: 30px 0;color: #757575;}
   .page_num_container{width:
 301px;margin:0 10px;border:1px solid #ccc; border-right:0;box-sizing: 
border-box;overflow: hidden;position: relative;height: 32px;}
   .page_num_container ul{position: absolute;top: 0;}
   .page_num_container
 ul li{float: left;width: 30px;border-right:1px solid #ccc ;box-sizing: 
border-box;text-align: center;cursor: pointer;}
   .page_num_container ul li:hover,.page_num_container ul li.active{ background: #f4a100;color: #fff;}
   .page_btn{width: 60px;border:1px solid #ccc;box-sizing: border-box;cursor: pointer;}
   .page_btn:hover{ background: #f4a100;color: #fff;}
   .all_page:hover{background:none;color: #757575;}
   .prev_btn{margin-right: 10px;}
  </style>
  <scriptsrc="http://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
 </head>
<body>
<!--页码-->
 <pclass="page_container center">
  <pclass="page_btn prev_page left">上一页</p>
  <pclass="page_num_container left"id="page_num_container">
  <ul>
  <li>1</li>
  <li>2</li>
  <li>3</li>
  <li>4</li>
  <li>5</li>
  <li>6</li>
  <li>7</li>
  <li>8</li>
  <li>9</li>
  <li>10</li>
  <li>11</li>
  <li>12</li>
  <li>13</li>
  <li>14</li>
  <li>15</li>
  <li>16</li>
  <li>17</li>
  <li>18</li>
  <li>19</li>
  <li>20</li>
  <li>21</li>
  </ul>
  </p>
  <pclass="page_btn next_page left">下一页</p>
  <pclass="page_btn all_page right">共21页</p>
 </p>
 <!--页码-->
 <script>
  function page(){
  var contain=$(".page_num_container");
  var ul= contain.children("ul");
  var li = ul.children("li");
  var length= li.length;
  var index=0;
  var leftIndex=0;
  var prev_btn= contain.siblings(".prev_page");
  var next_btn= contain.siblings(".next_page ");
  ul.css("width",li.outerWidth()*length);
  change_page(index);
  function change_page(eqindex){
  if(eqindex<0)
  {
  index=0;
  }
  else if(eqindex>=length ){
  index=length-1;
  }
  if(index-4<=0){
  leftIndex=0;
  }
  else if(index>length-10)
  {
  leftIndex=Math.ceil(length/2);
  }
  else{
  leftIndex=index-4;
  }
  ul.animate({"left":"-"+leftIndex*li.outerWidth()+"px"},200);
  li.eq(index).addClass("active").siblings(li).removeClass("active");
  }
  prev_btn.click(function(){
  index=index-1;
  change_page(index);
  })
  next_btn.click(function(){
  index=index+1;
  change_page(index);
  })
  li.click(function(){
  index=$(this).index();
  change_page(index);
  })
 }
 page()
  </script>
 </body>
</html>

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