如何通过js实现ajax分页?
本文实例讲述了js实现ajax分页的方法。分享给大家供大家参考,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>
希望本文所述对大家JavaScript程序设计有所帮助。
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