[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>

openplatform/miniprogram/miniprogram.go

@@ -6,13 +6,13 @@ import (
 	"github.com/silenceper/wechat/v2/openplatform/miniprogram/component"
 )
 
-//MiniProgram 代小程序实现业务
+// MiniProgram 代小程序实现业务
 type MiniProgram struct {
 	AppID       string
 	openContext *openContext.Context
 }
 
-//NewMiniProgram 实例化
+// NewMiniProgram 实例化
 func NewMiniProgram(opCtx *openContext.Context, appID string) *MiniProgram {
 	return &MiniProgram{
 		openContext: opCtx,
@@ -20,13 +20,13 @@ func NewMiniProgram(opCtx *openContext.Context, appID string) *MiniProgram {
 	}
 }
 
-//GetComponent get component
-//快速注册小程序相关
+// GetComponent get component
+// 快速注册小程序相关
 func (miniProgram *MiniProgram) GetComponent() *component.Component {
 	return component.NewComponent(miniProgram.openContext)
 }
 
-//GetBasic 基础信息设置
+// GetBasic 基础信息设置
 func (miniProgram *MiniProgram) GetBasic() *basic.Basic {
 	return basic.NewBasic(miniProgram.openContext, miniProgram.AppID)
 }