feat():learning后台管理项目初始化

internal/models/response.go

@@ -0,0 +1,99 @@
+package models
+
+// Response 统一响应结构
+type Response struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+// PageResponse 分页响应结构
+type PageResponse struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+	Total   int64       `json:"total"`
+	Page    int         `json:"page"`
+	Size    int         `json:"size"`
+}
+
+// LoginResponse 登录响应
+type LoginResponse struct {
+	Token    string `json:"token"`
+	User     User   `json:"user"`
+	ExpireAt int64  `json:"expireAt"`
+}
+
+// UserListResponse 用户列表响应
+type UserListResponse struct {
+	Users []User `json:"users"`
+	Total int64  `json:"total"`
+}
+
+// PageTreeResponse 页面树响应
+type PageTreeResponse struct {
+	Pages []Page `json:"pages"`
+}
+
+// SystemConfigResponse 系统配置响应
+type SystemConfigResponse struct {
+	Configs []SystemConfig `json:"configs"`
+}
+
+// 响应码常量
+const (
+	CodeSuccess      = 200
+	CodeError        = 500
+	CodeInvalid      = 400
+	CodeUnauthorized = 401
+	CodeForbidden    = 403
+	CodeNotFound     = 404
+)
+
+// 响应消息常量
+const (
+	MsgSuccess      = "操作成功"
+	MsgError        = "操作失败"
+	MsgInvalid      = "参数错误"
+	MsgUnauthorized = "未授权"
+	MsgForbidden    = "禁止访问"
+	MsgNotFound     = "资源不存在"
+)
+
+// NewResponse 创建响应
+func NewResponse(code int, message string, data interface{}) *Response {
+	return &Response{
+		Code:    code,
+		Message: message,
+		Data:    data,
+	}
+}
+
+// NewSuccessResponse 创建成功响应
+func NewSuccessResponse(data interface{}) *Response {
+	return &Response{
+		Code:    CodeSuccess,
+		Message: MsgSuccess,
+		Data:    data,
+	}
+}
+
+// NewErrorResponse 创建错误响应
+func NewErrorResponse(message string) *Response {
+	return &Response{
+		Code:    CodeError,
+		Message: message,
+	}
+}
+
+// NewPageResponse 创建分页响应
+func NewPageResponse(data interface{}, total int64, page, size int) *PageResponse {
+	return &PageResponse{
+		Code:    CodeSuccess,
+		Message: MsgSuccess,
+		Data:    data,
+		Total:   total,
+		Page:    page,
+		Size:    size,
+	}
+}