<?php // 加载图片 $sss=$_GET['lianjie']; $image1 = imagecreatefromjpeg('3.jpg'); $image_data = file_get_contents("https://api.qrserver.com/v1/create-qr-code/?data=".$sss."&size=300x300"); $image2 = imagecreatefromstring($image_data); // 创建画布 $canvas = imagecreatetruecolor(imagesx($image1), imagesy($image1)); // 将图片合并到画布上 imagecopy($canvas, $image1, 0, 0, 0, 0, imagesx($image1), imagesy($image1)); imagecopy($canvas, $image2, imagesx($image1) / 2-150, imagesy($image1)/2+50, 0, 0, imagesx($image2), imagesy($image2)); // 输出图片 header('Content-Type: image/jpeg'); imagejpeg($canvas); // 释放内存 imagedestroy($canvas); imagedestroy($image1); imagedestroy($image2); ?> 这是php请求的页面 ,请用ajax写一个请求并输出数据

function ajax(url,fnSucc){
	if(window.XMLHttpRequest){
		var oAjax=new XMLHttpRequest();
	}else{
		var oAjax=new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	//连接服务器
	oAjax.open('GET',url,true);
	
	//发送请求
	oAjax.send();
	
	//接收返回
	oAjax.onreadystatechange=function(){
		if(oAjax.readyState==4){
			if(oAjax.status==200){
				fnSucc(oAjax.responseText);
			}else{
				alert('错误代码:'+oAjax.status);
			}
		}
	};
}

ajax('http://www