完美利用Yii2微信后台开发的系列总结(2)

public function getUserInfo($access_token,$openid)
{
    $request_url = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN';
    //初始化一个curl会话
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $request_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $result = curl_exec($ch);
    curl_close($ch);
    $result = $this->response($result);
    return $result;
}

3.获取用户资料接口

public function actionUserinfo() { if(isset($_REQUEST["openid"])){ $openid = $_REQUEST["openid"]; $user = WechatUser::find()->where(['openid'=>$openid])->one(); if ($user) { $result['error'] = 0; $result['msg'] = '获取成功'; $result['user'] = $user; } else { $result['error'] = 1; $result['msg'] = '没有该用户'; } } else { $result['error'] = 1; $result['msg'] = 'openid为空'; } return $result; }

三：微信支付

1.微信支付接口：打包支付数据

复制代码 代码如下:

public function actionPay(){
    if(isset($_REQUEST["uid"])&&isset($_REQUEST["oid"])&&isset($_REQUEST["totalFee"])){
        //uid、oid、totalFee
        $uid = $_REQUEST["uid"];
        $oid = $_REQUEST["oid"];
        $totalFee = $_REQUEST["totalFee"];
        $timestamp = time();
        //微信支付参数
        $appid = Yii::$app->params['wechat']['appid'];
        $mchid = Yii::$app->params['wechat']['mchid'];
        $key = Yii::$app->params['wechat']['key'];
        $notifyUrl = Yii::$app->params['wechat']['notifyUrl'];
        //支付打包
        $wx_pay = new WechatPay($mchid, $appid, $key);
        $package = $wx_pay->createJsBizPackage($uid, $totalFee, $oid, $notifyUrl, $timestamp);
        $result['error'] = 0;
        $result['msg'] = '支付打包成功';
        $result['package'] = $package;
        return $result;
    }else{
        $result['error'] = 1;
        $result['msg'] = '请求参数错误';
    }
    return $result;
}

2.接收微信发送的异步支付结果通知

复制代码 代码如下:

public function actionNotify(){
    $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
    $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
    //
    if ($postObj === false) {
        die('parse xml error');
    }
    if ($postObj->return_code != 'SUCCESS') {
        die($postObj->return_msg);
    }
    if ($postObj->result_code != 'SUCCESS') {
        die($postObj->err_code);
    }
    //微信支付参数
    $appid = Yii::$app->params['wechat']['appid'];
    $mchid = Yii::$app->params['wechat']['mchid'];
    $key = Yii::$app->params['wechat']['key'];
    $wx_pay = new WechatPay($mchid, $appid, $key);
    //验证签名
    $arr = (array)$postObj;
    unset($arr['sign']);
    if ($wx_pay->getSign($arr, $key) != $postObj->sign) {
        die("签名错误");
    }
    //支付处理正确-判断是否已处理过支付状态
    $orders = Order::find()->where(['uid'=>$postObj->openid, 'oid'=>$postObj->out_trade_no, 'status' => 0])->all();
    if(count($orders) > 0){
        //更新订单状态
        foreach ($orders as $order) {
            //更新订单
            $order['status'] = 1;
            $order->update();
        }
        return '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
    } else {
        //订单状态已更新，直接返回
        return '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
    }
}

3.微信支付类 WechatPay.php

复制代码 代码如下: