本文實(shí)例講述了PHP+ajax分頁(yè)實(shí)現(xiàn)方法。分享給大家供大家參考，具體如下：
HTML代碼如下：
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<html><head><meta http-equiv="Content-Language" content="en" /><meta name="GENERATOR" content="PHPEclipse 1.0" /><meta http-equiv="Content-Type" content="text/html; charset=GB2312" /><title>title</title><mce:script type='text/javascript'><!-- var http_request=false; function send_request(url){//初始化，指定處理函數(shù)，發(fā)送請(qǐng)求的函數(shù) http_request=false; //開(kāi)始初始化XMLHttpRequest對(duì)象 if(window.XMLHttpRequest){//Mozilla瀏覽器 http_request=new XMLHttpRequest(); if(http_request.overrideMimeType){//設(shè)置MIME類(lèi)別 http_request.overrideMimeType("text/xml"); } } else if(window.ActiveXObject){//IE瀏覽器 try{ http_request=new ActiveXObject("Msxml2.XMLHttp"); }catch(e){ try{ http_request=new ActiveXobject("Microsoft.XMLHttp"); }catch(e){} } } if(!http_request){//異常，創(chuàng)建對(duì)象實(shí)例失敗 window.alert("創(chuàng)建XMLHttp對(duì)象失敗！"); return false; } http_request.open("GET",url,true); http_request.onreadystatechange=processrequest; //確定發(fā)送請(qǐng)求方式，URL，及是否同步執(zhí)行下段代碼 http_request.send(null); } //處理返回信息的函數(shù) function processrequest(){ if(http_request.readyState==4){//判斷對(duì)象狀態(tài) if(http_request.status==200){//信息已成功返回，開(kāi)始處理信息 document.getElementById('result').innerHTML=http_request.responseText; } else{ //頁(yè)面不正常 alert("您所請(qǐng)求的頁(yè)面不正常！"); } } } function dopage(url) { document.getElementById('result').innerHTML="正在讀取數(shù)據(jù)..."; send_request(url); }// --></mce:script></head><body bgcolor="#FFFFFF" text="#000000" link="#FF9966" vlink="#FF9966" alink="#FFCC99"><div id='result'></div></body></html> |
php代碼如下：
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header("Content-type: text/html;charset=GBK");//$link=mysql_connect('localhost','root','root');mysql_select_db('test');mysql_query("SET NAMES 'GBK'");$num=5;//每頁(yè)顯示5條$sql="select * from article ";//總共有多少記錄$resultt=mysql_query($sql);//獲取數(shù)據(jù)庫(kù)總記錄數(shù)$total=mysql_num_rows($result);echo $total;//總共有多少頁(yè)$pagecount=$total/$num;//獲取當(dāng)前頁(yè)$currentPage=isset($_GET['page'])?intval($_GET['page']):1;//查詢(xún)條數(shù)$offset=($currentPage-1)*$num;//下一頁(yè)$nexpage=($currentPage==$pagecount?0:$currentPage+1);//上一頁(yè)$prepg=$currentPage-1;$url='ajax.php';//根據(jù)條數(shù)查詢(xún)信息$strSQL="select * from article limit $offset,$num";$pagecontrol="當(dāng)前第".$currentPage."頁(yè)" ;$pagecontrol.="共".$pagecount."頁(yè)";$pagecontrol.="<a href="javascript:dopage(" mce_href="javascript:dopage("'$url?page=1')>首 頁(yè)</a> ";if($prepg) $pagecontrol.=" <a href="javascript:dopage(" mce_href="javascript:dopage("'$url?page=$prepg');>上一頁(yè)</a> "; else $pagecontrol.=" 上一頁(yè) ";if($nexpage) $pagecontrol.="<a href="javascript:dopage(" mce_href="javascript:dopage("'$url?page=$nexpage');>下一頁(yè)</a>"; else $pagecontrol.="下一頁(yè)";$pagecontrol.="<a href="javascript:dopage(" mce_href="javascript:dopage("'$url?page=$pagecount')>尾 頁(yè)</a>";$result1=mysql_query($strSQL);echo "<table border=1 width=100%>";echo "<tr>";echo "<td>編 號(hào)</td><td>標(biāo) 題</td><td>新聞?lì)愋?lt;/td>";echo "</tr>";while($row=mysql_fetch_array($result1)){ echo "<tr>"; echo "<td>$row[id]</td><td>$row[title]</td><td>$row[classname]</td>"; echo "</tr>";}echo "</table>";echo "<br/>";echo $pagecontrol; |
希望本文所述對(duì)大家PHP程序設(shè)計(jì)有所幫助。
