feat app 模块化启动

Server/Gateway/handler/http_handler/helper/render/code.go

@@ -0,0 +1,31 @@
+package render
+
+var (
+	OK            = NewCode(0, "成功")
+	Failed        = NewCode(1, "失败")
+	ParamError    = NewCode(1001, "参数错误")
+	NameEmpty     = NewCode(1002, "名称不能为空")
+	NameDuplicate = NewCode(1003, "名称或编号不能重复")
+	ListEmpty     = NewCode(1004, "列表不能为空")
+	RepeatCommit  = NewCode(1005, "请勿重复提交")
+)
+
+type Code struct {
+	code    int
+	message string
+}
+
+func NewCode(code int, message string) *Code {
+	return &Code{
+		code:    code,
+		message: message,
+	}
+}
+
+func (c *Code) Code() int {
+	return c.code
+}
+
+func (c *Code) Message() string {
+	return c.message
+}