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>
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希望本文所述对大家JavaScript程序设计有所帮助。