PHP app 唤起支付宝支付 获取链接【项目实例】

// 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));
}

原文地址：http://blog.51cto.com/9300893/2088603