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PHP 实现ajax的接收

Ajava界面:

<!DOCTYPE html><html><head><script>function loadXMLDoc(){	var xmlhttp;	if (window.XMLHttpRequest)	  {// code for IE7+, Firefox, Chrome, Opera, Safari	  xmlhttp=new XMLHttpRequest();	  }	else	  {// code for IE6, IE5	  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");	  }	xmlhttp.onreadystatechange=function()  {	  if (xmlhttp.readyState==4 && xmlhttp.status==200)		{		document.getElementById("myDiv").innerHTML=xmlhttp.responseText;		}	  }  	  	xmlhttp.open("GET","send.php?name=sunzhiyan",true);	xmlhttp.send();}</script></head><body><div id="myDiv"><h2>Let AJAX change this text</h2></div><button type="button" onclick="loadXMLDoc()">Change Content</button></body></html>

  PHP界面:

<?php if($_GET[‘name‘] == sunzhiyan){ echo ‘this is right‘;}else{ echo ‘this is error‘;}?>

  这事最简单的一个Ajax的运用,能够实现,Ajax的验证

PHP 实现ajax的接收