js实现ajax分页完整实例

2024-09-01 08:28:03

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本文实例讲述了js实现ajax分页的方法。，具体如下：

<!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><div id="demo" style="width:500px;margin:10px auto;"></div><script type="text/JavaScript"><!--function initPage(totalPages,curPage,middlePage,Container){  var htmlstr = '';  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 += '<span class="currentPage">' + i + '</span>';      }else{        htmlstr += '<a href="javascript:void(0)" mce_href="javascript:void(0)" onclick="initPage('+ totalPages+','+i+','+middlePage +',/''+ container+'/');getPageData('+ i+');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('+ totalPages+','+preCurPage+','+middlePage +',/''+ container+'/');getPageData('+ preCurPage +');return false" class="ajax_page">pre</a>';    }    for(var i=curBigStart;i<=curBigEnd;i++){      if(i == curPage){        htmlstr += '<span class="currentPage">' + i + '</span>';      }else{        htmlstr += '<a href="javascript:void(0)" mce_href="javascript:void(0)" onclick="initPage('+ totalPages+','+i+','+middlePage +',/''+ container+'/');getPageData('+ i +');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('+ totalPages+','+nextCurPage+','+middlePage +',/''+ container+'/');getPageData('+ nextCurPage + ');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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