ThinkPhp5.1은 WeChat 결제 및 결제 후 여러 상태 설명을 수행합니다.

public function wxPayImg($body,$out_trade_no,$fee,$product_id,$logo,$path,$attach,$pro_id){
    require_once Env::get('app_path')."api/wxpay/lib/WxPay.Api.php";
    //实例化配置信息
    $config = new WxPayConfig();
    $input = new \WxPayUnifiedOrder();
    //设置商品描述
    $input->SetBody($body);
    //设置订单号
    $input->SetOut_trade_no($out_trade_no);
    //设置商品金额（单位：分）
    $input->SetTotal_fee($fee);
    //设置异步通知地址
    $notify = $config->GetNotifyUrl();
    $input->SetNotify_url($notify);
    //设置交易类型
    $input->SetTrade_Type('NATIVE');
    //设置商品ID
    $input->SetProduct_id($product_id);
    $input->SetDevice_info($pro_id);
    $input->SetAttach($attach);
    //调用统一下单API
    $result = \WxPayApi::unifiedOrder($config,$input);
    //dump($result);
    $qr_url = $result['code_url'];
    $img = $this->createCode($qr_url,$logo,$path);
    //生成数组
    $array = array('img'=>$img,'out_trade_no'=>$out_trade_no);
    return $array;
}
//生成二维码
public function createCode($code_url,$logo,$path){
    //创建基本的QR码
    $qrCode = new QrCode($code_url);
    $qrCode->setSize(300);
    //设置高级选项
    $qrCode->setWriterByName('png');
    $qrCode->setEncoding('UTF-8');
    $qrCode->setErrorCorrectionLevel(ErrorCorrectionLevel::HIGH());
    $qrCode->setForegroundColor(['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0]);
    $qrCode->setBackgroundColor(['r' => 255, 'g' => 255, 'b' => 255, 'a' => 0]);
    //$qrCode->setLabel('', 16, App::getAppPath().'/../public/static/user/font/msyhl.ttc', LabelAlignment::CENTER());
    $qrCode->setLogoPath($logo);
    $qrCode->setLogoWidth(50);
    $qrCode->setValidateResult(false);
    //边距设置
    $qrCode->setMargin(10);
    //直接输出二维码
    header('Content-Type: '.$qrCode->getContentType());
    //echo $qrCode->writeString();
    //将二维码保存到指定目录
    $qrCode->writeFile($path);
    //生成数据URI以内联图像数据（即在<img>标记内）
    $dataUri = $qrCode->writeDataUri();
    return $dataUri;
}

public function jsApiPay($openId,$Body,$out_trade_no,$fee,$product_id,$attach){
    require_once Env::get('app_path')."api/wxpay/lib/WxPay.Api.php";
    $tools = new JsApiPay();
    $input = new \WxPayUnifiedOrder();
    //设置商品描述
    $input->SetBody($Body);
    //设置订单号
    $input->SetOut_trade_no($out_trade_no);
    //设置商品金额（单位：分）
    $input->SetTotal_fee($fee);
    //设置异步通知地址
    $config = new WxPayConfig();
    $notify = $config->GetNotifyUrl();
    $input->SetNotify_url($notify);
    //设置交易类型
    $input->SetTrade_Type('JSAPI');
    //设置商品ID
    $input->SetProduct_id($product_id);
    //用户openID
    $input->SetOpenid($openId);
    $input->SetAttach($attach);
    //调用统一下单API
    $result = \WxPayApi::unifiedOrder($config,$input);
    $jsApiParameters = $tools->GetJsApiParameters($result);
    return $jsApiParameters;
}

$remarks = array(
    'cid'=>1,
    'member_id'=>2,
    'apply_id'=>28,
);
$attach = json_encode($remarks);

$arr = json_decode($result['attach'],true);

array(9) {
  ["appid"] => string(18) "公众号APPId"
  ["err_code"] => string(13) "ORDERNOTEXIST"
  ["err_code_des"] => string(15) "订单不存在"
  ["mch_id"] => string(10) "商户ID"
  ["nonce_str"] => string(16) "H0K6KPemexExM5DV"
  ["result_code"] => string(4) "FAIL"
  ["return_code"] => string(7) "SUCCESS"
  ["return_msg"] => string(2) "OK"
  ["sign"] => string(64) "8779CA8C7F4931B4296C19FFFB176A3111F74B7244123A0C0EB7AD8DB2B1BDA49DA"
}