日期:2014-05-16 浏览次数:20763 次
<!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>Ajax即时后台添加</title> <script language="javascript" type="text/javascript"> function initXmlHttpReq(){ var browserVersion=navigator.appVersion; var xmlhttpReq; if(window.XmlHttpRequest){ //IE7+、Firefox、Chrome、Safari 以及 Opera xmlhttpReq=new XmlHttpRequest(); }else if(window.ActiveXObject){ //IE6及更低版本 var a=['MSXML2.XMLHTTP.5.0','MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0','MSXML2.XMLHTTP','MICROSOFT.XMLHTTP.1.0','MICROSOFT.XMLHTTP.1','MICROSOFT.XMLHTTP']; for (var i=0;i<a.length;i++){ if(browserVersion.indexOf("MSIE 6.0")){ xmlhttpReq=new ActiveXObject("MSXML2.XMLHTTP"); break; }else{ xmlhttpReq=new ActiveXObject(a[i]); if(xmlhttpReq){ break; } } } } return xmlhttpReq; } function addVote(){ var xmlhttp=initXmlHttpReq(); var vote=document.getElementById("vote").value; xmlhttp.onreadystatechange=function(){ if((xmlhttp.readyState==4)&&(xmlhttp.status==200)){ alert("发表成功"); showVote(); } } xmlhttp.open("GET","ajax_php.php?action=add&vote="+vote,true); xmlhttp.send(); } function showVote(){ var xmlhttp=initXmlHttpReq(); xmlhttp.onreadystatechange=function(){ if((xmlhttp.readyState==4)&&(xmlhttp.status==200)){ document.getElementById("myDiv").innerHTML.responseText; } } xmlhttp.open("GET","ajax_php.php?action=show",true); xmlhttp.send(); } </script> </head> <body> <div id="myDiv"></div> <input type="text" id="vote"/> <input type="button" onclick="addVote()" value="AddVote"/> </body> </html>
<?php global $ceshi; if((isset($_GET['action']))&&('add'==$_GET['action'])){ $ceshi=$_GET['vote']; }else{ echo $ceshi; } ?>
function initXmlHttpReq(){ var xmlhttpReq = false; try { xmlhttpReq = new XMLHttpRequest(); } catch (trymicrosoft) { try { xmlhttpReq = new ActiveXObject("Msxml2.XMLHTTP"); } catch (othermicrosoft) { try { xmlhttpReq = new ActiveXObject("Microsoft.XMLHTTP"); } catch (failed) { xmlhttpReq = false; } } } return xmlhttpReq; }
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