[feature] Format the code and improve Mini Program authorization to o… (#473)

* [feature] Format the code and improve Mini Program authorization to obtain openid（miniprogram/auth/auth.go Code2Session）

* [feature] CheckEncryptedData (https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/user-info/auth.checkEncryptedData.html)

* upgrade json error

* upgrade json error

Co-authored-by: houseme <houseme@outlook.com>

pay/transfer/transfer_wallet.go

@@ -24,7 +24,7 @@ func NewTransfer(cfg *config.Config) *Transfer {
 	return &transfer
 }
 
-//Params 调用参数
+// Params 调用参数
 type Params struct {
 	DeviceInfo     string
 	PartnerTradeNo string
@@ -34,10 +34,10 @@ type Params struct {
 	Amount         int
 	Desc           string
 	SpbillCreateIP string
-	RootCa         string //ca证书
+	RootCa         string // ca证书
 }
 
-//request 接口请求参数
+// request 接口请求参数
 type request struct {
 	AppID          string `xml:"mch_appid"`
 	MchID          string `xml:"mchid"`
@@ -53,7 +53,7 @@ type request struct {
 	SpbillCreateIP string `xml:"spbill_create_ip,omitempty"`
 }
 
-//Response 接口返回
+// Response 接口返回
 type Response struct {
 	ReturnCode     string `xml:"return_code"`
 	ReturnMsg      string `xml:"return_msg"`
@@ -69,7 +69,7 @@ type Response struct {
 	PaymentTime    string `xml:"payment_time"`
 }
 
-//WalletTransfer 付款到零钱
+// WalletTransfer 付款到零钱
 func (transfer *Transfer) WalletTransfer(p *Params) (rsp Response, err error) {
 	nonceStr := util.RandomStr(32)
 	param := make(map[string]string)