Try to refine the panic things.

rest/bean.go

@@ -29,3 +29,45 @@ func (this *Bean) PanicError(err error) {
 func (this *Bean) PanicWebError(msg string, httpStatusCode int) {
 	panic(&WebError{Msg: msg, Code: httpStatusCode})
 }
+
+//能找到一个user就找到一个
+func (this *Bean) findUser(writer http.ResponseWriter, request *http.Request) *User {
+
+	//验证用户是否已经登录。
+	sessionCookie, err := request.Cookie(COOKIE_AUTH_KEY)
+	if err != nil {
+		this.logger.Warn("cookie 信息不存在~")
+		return nil
+	}
+
+	sessionId := sessionCookie.Value
+
+	//去缓存中捞取看看
+	cacheItem, err := CONTEXT.SessionCache.Value(sessionId)
+	if err != nil {
+		this.logger.Warn("获取缓存时出错了" + err.Error())
+		return nil
+	}
+
+	if cacheItem == nil || cacheItem.Data() == nil {
+		this.logger.Warn("cache item中已经不存在了 ")
+		return nil
+	}
+
+	if value, ok := cacheItem.Data().(*User); ok {
+		return value
+	} else {
+		this.logger.Error("cache item中的类型不是*User ")
+	}
+
+	return nil
+}
+
+//获取当前登录的用户，找不到就返回登录错误
+func (this *Bean) checkUser(writer http.ResponseWriter, request *http.Request) *User {
+	if this.findUser(writer, request) == nil {
+		panic(ConstWebResult(CODE_WRAPPER_LOGIN))
+	} else {
+		return this.findUser(writer, request)
+	}
+}