PHP implements app to evoke Alipay payment code

// 获取 支付宝app 支付字符串
	public function alipay_params_data(){
		
		$data  = $this->ApiData();//获取数据
		
		if(!$data['out_trade_no']){
			systemmess('0','参数错误');
		}
		
		$out_trade_no = $data['out_trade_no'];



		$_biz_data = array();
		$_biz_data['body'] = $oid_body;
		$_biz_data['subject'] = $subject;
		$_biz_data['out_trade_no'] = $out_trade_no;
		$_biz_data['timeout_express'] = "30m";
		 $_biz_data['total_amount'] = $price;
		//$_biz_data['total_amount'] = '0.01';
		$_biz_data['product_code'] = 'QUICK_MSECURITY_PAY';
		$_biz_data['passback_params'] = $_type;
		/*
		$bizcontent = "{\"body\":\"".$order_info['data']['oid_body']."\"," 
						. "\"subject\": \"".$order_info['data']['oid_title']."\","
						. "\"out_trade_no\": \"".$order_info['data']['oid']."\","
						. "\"timeout_express\": \"30m\"," 
						. "\"total_amount\": \"".$order_info['data']['oid_price']."\","
						. "\"product_code\":\"QUICK_MSECURITY_PAY\","
						. "\"passback_params\":\"".$_type."\""
						. "}";
		*/
		$bizcontent = json_encode($_biz_data);
		
		$alipay_config = C('ALIPAY_CONFIG');
		
		//异步通知地址
		
		$return_url = 'http://'.$_SERVER['HTTP_HOST'].''.U('Appreturn/notify_alipay');
		
		//配置信息
		Vendor('alipay-appsdk.aop.AopClient');
		Vendor('alipay-appsdk.aop.request.AlipayTradeAppPayRequest');
		$aop = new \AopClient();
		$aop->gatewayUrl = "https://openapi.alipay.com/gateway.do";
		$aop->appId = $alipay_config['app_id'];
		$aop->rsaPrivateKey = $alipay_config['merchant_private_key'];
		$aop->format = "json";
		$aop->charset = "UTF-8";
		$aop->signType = "RSA";
		$aop->alipayrsaPublicKey = $alipay_config['alipay_public_key'];
		//实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称：alipay.trade.app.pay
		$request = new \AlipayTradeAppPayRequest();
		//SDK已经封装掉了公共参数，这里只需要传入业务参数
		
		$request->setNotifyUrl($return_url);
		$request->setBizContent($bizcontent);
		//这里和普通的接口调用不同，使用的是sdkExecute
		$response = $aop->sdkExecute($request);
		//htmlspecialchars是为了输出到页面时防止被浏览器将关键参数html转义，实际打印到日志以及http传输不会有这个问题
		// echo ;//就是orderString 可以直接给客户端请求，无需再做处理。
		
		// json_echo(1,"ok",array('text'=>htmlspecialchars($response)));exit;
		
		$json['msg'] ='1';
		$json['state'] ='1';
		$json['text'] =$response;
		$json['return_url'] =$return_url;
	//	$json['alipay_config'] =$alipay_config;
	//	$json['aop'] =$request;
		echo json_encode($json);exit;
		//json_echo(1,"ok",array('text'=>$response,'return_url'=>$return_url));exit;
	}




//异步通知地址
	public function notify_alipay(){
		$alipay_config = C('ALIPAY_CONFIG');
		$_post_data = $_POST;
		$_sign_type = $_post_data['sign_type'];
		$_sign = $_post_data['sign'];
		S('zfbpost'.time(),$_POST);
		M('log')->add(array('title'=>'支付宝','content'=>json_encode($_POST)));
		// unset($_get_data['sign']);
		// unset($_get_data['sign_type']);
		Vendor('alipay-appsdk.aop.AopClient');
		$aop = new \AopClient();
		$aop->alipayrsaPublicKey = $alipay_config['alipay_public_key'];
		//$result = $aop->rsaCheckV1($_post_data, NULL, "RSA2");
		//$result = $aop->rsaCheckV1($_post_data, NULL, "RSA");
		$result = $aop->rsaCheckV1($_post_data, NULL, "RSA");
		// $result = true;
		if($result){
			//print_r($_post_data);
			$_type = $_post_data['passback_params'];
			//商户订单号
			$out_trade_no = $_post_data['out_trade_no'];
			//支付宝交易号
			$trade_no = $_post_data['trade_no'];
			//交易状态
			$trade_status = $_post_data['trade_status'];
			
			
			
                        //已下修改订单信息


			/* if($_post_data['trade_status'] == 'TRADE_FINISHED'){
				$this->edit_order_info($_type,$out_trade_no,$_post_data['trade_no'],$_post_data['gmt_payment'],$_post_data['total_amount'],'alipay',$_post_data);
				//注意：
				//退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
			}elseif($_post_data['trade_status'] == 'TRADE_SUCCESS'){
				$this->edit_order_info($_type,$out_trade_no,$_post_data['trade_no'],$_post_data['gmt_payment'],$_post_data['total_amount'],'alipay',$_post_data);
				//注意：
				//付款完成后，支付宝系统发送该交易状态通知
			} */
			//——请根据您的业务逻辑来编写程序（以上代码仅作参考）——
			echo "success";		//请不要修改或删除
		}else{
			// 验证失败
  			echo "fail".json_encode($result);	//请不要修改或删除
		}
		
		// F('APP_ALIPAY_POST_'.$_POST['passback_params'].'_'.time(),array($_post_data,$result));
	}