js implements ajax paging (detailed picture and text explanation)-JS Tutorial-php.cn

js implements ajax paging (detailed picture and text explanation)

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Release： 2018-04-04 16:29:29

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This time I will bring you js to implement ajax paging (detailed pictures and texts). What are the precautions for js to implement ajax paging. The following is a practical case, let's take a look.

The example of this article describes the method of implementing ajax paging in js. Share it with everyone for your reference, the details are as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Untitled Document</title>
</head>
<body>
<style type="text/css">
*{margin:0;padding:0}
.ajax_page{padding:1px 4px;border:1px solid #e60011;margin:0 2px;text-decoration:none;color:#666666;font-family:mingliu;font-size:11px;height:14px;line-height:14px;float:left;font-weight:bold;display:block;}
span.currentPage{padding:2px 4px;color:#666666;font-size:11px;height:14px;line-height:14px;float:left;display:block;font-weight:bold;font-family:mingliu}
</style>
<style type="text/css">
*{margin:0;padding:0}
.ajax_page{padding:1px 4px;border:1px solid #e60011;margin:0 2px;text-decoration:none;color:#666666;font-family:mingliu;font-size:11px;height:14px;line-height:14px;float:left;font-weight:bold;display:block;}
span.currentPage{padding:2px 4px;color:#666666;font-size:11px;height:14px;line-height:14px;float:left;display:block;font-weight:bold;font-family:mingliu}
</style>
<p id="demo" style="width:500px;margin:10px auto;"></p>
<script type="text/JavaScript">
<!--
function initPage(totalPages,curPage,middlePage,Container){
  var htmlstr = &#39;&#39;;
  if(curPage > totalPages) {curPage = totalPages}
  if(curPage < 0) {curPage = 1}
  var curBigPage = Math.ceil(curPage/middlePage)
  //当前所在的屏数,如curPage=21,总页数为50页时,屏数就是3（当前是第几屏）实际上是这种形式：Math.ceil(curPage*pageSize/pageSize*perPage)
  var totalBigPage = Math.ceil(totalPages/middlePage); //总的屏数
  if( totalPages < middlePage){
    for(var i=1;i<totalPages+1;i++){
      if(i == curPage){
        htmlstr += &#39;<span class="currentPage">' + i + '</span>';
      }else{
        htmlstr += '<a href="javascript:void(0)" mce_href="javascript:void(0)" onclick="initPage(&#39;+ totalPages+&#39;,&#39;+i+&#39;,&#39;+middlePage +&#39;,/&#39;&#39;+ container+&#39;/&#39;);getPageData(&#39;+ i+&#39;);return false" class="ajax_page">'+i +'</a>';
      }
    }
  }else{
    var curBigStart = (curBigPage-1)*middlePage + 1;
    if(curBigPage == totalBigPage){
      var curBigEnd = totalPages;
    }else{
      var curBigEnd = curBigPage * middlePage;
    }
    if(curBigPage != 1){  //前一屏
      var preCurPage = curBigStart - middlePage;
      htmlstr += '<a href="javascript:void(0)" mce_href="javascript:void(0)" onclick="initPage(&#39;+ totalPages+&#39;,&#39;+preCurPage+&#39;,&#39;+middlePage +&#39;,/&#39;&#39;+ container+&#39;/&#39;);getPageData(&#39;+ preCurPage +&#39;);return false" class="ajax_page">pre</a>';
    }
    for(var i=curBigStart;i<=curBigEnd;i++){
      if(i == curPage){
        htmlstr += &#39;<span class="currentPage">' + i + '</span>';
      }else{
        htmlstr += '<a href="javascript:void(0)" mce_href="javascript:void(0)" onclick="initPage(&#39;+ totalPages+&#39;,&#39;+i+&#39;,&#39;+middlePage +&#39;,/&#39;&#39;+ container+&#39;/&#39;);getPageData(&#39;+ i +&#39;);return false" class="ajax_page">' + i + '</a>';
      }
    }
    if(curBigPage != totalBigPage){  //后一屏
      var nextCurPage = curBigStart + middlePage;
      htmlstr += '<a href="javascript:void(0)" mce_href="javascript:void(0)" onclick="initPage(&#39;+ totalPages+&#39;,&#39;+nextCurPage+&#39;,&#39;+middlePage +&#39;,/&#39;&#39;+ container+&#39;/&#39;);getPageData(&#39;+ nextCurPage + &#39;);return false" class="ajax_page">next</a>';
    }
  }
  document.getElementById('demo').innerHTML = htmlstr
}
function getPageData(i){
  alert('现在取第 '+i+ ' 页数据');  //ajax get data
}
initPage(50,2,10,'demo');
// --></script>
</body>
</html>

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I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!