package i18n import ( "context" "fmt" "strings" "sync" "github.com/gogf/gf/v2/frame/g" ) // 支持的语言列表 var SupportedLanguages = []string{"zh-CN", "en-US"} // 默认语言 const DefaultLanguage = "en-US" // 语言映射表 var languageMap = map[string]map[string]string{ "zh-CN": { "hello": "你好，世界", // 通用消息 "success": "操作成功", "server_error": "服务器内部错误", "invalid_operation": "非法的操作请求", "params_error": "请求参数错误", "not_login": "用户未登录", "account_disabled": "账户已被禁用", "permission_denied": "没有权限执行该操作", "token_expired": "token已过期", "not_found": "资源不存在", "forbidden": "禁止访问", "unauthorized": "未授权访问", "unknown_error": "未知错误", "user_id_invalid": "用户ID无效，请重新登录", // 用户相关 "auth_failed": "账户名或密码不正确", "password_incorrect": "密码不正确", "email_exists": "该邮箱已被注册", "password_mismatch": "两次密码输入不一致", "database_query_failed": "数据库查询失败", "data_conversion_failed": "数据转换失败", "token_generation_failed": "Token 生成失败", "password_encryption_failed": "密码加密失败", "registration_failed": "注册失败", "user_not_found": "用户不存在或已被禁用", "email_not_found": "未找到该邮箱注册账户", "user_id_required": "用户ID不能为空", "user_query_failed": "用户查询失败", "purchase_query_failed": "购买记录查询失败", "score_deduction_failed": "积分扣除失败", "purchase_record_failed": "购买记录创建失败", // 管理员相关 "admin_not_found": "管理员不存在", "admin_query_failed": "查询管理员信息失败", "invalid_token_format": "无效的token格式", "password_update_failed": "密码更新失败", "token_parse_failed": "Token解析失败", "invalid_token": "无效的Token", // 小说相关 "book_query_failed": "小说查询失败", "book_exists": "小说已存在", "book_create_failed": "小说创建失败", "book_not_found": "小说不存在", "book_update_failed": "小说更新失败", "book_delete_failed": "小说删除失败", "chapter_not_found": "章节不存在", "insufficient_points": "积分不足", "chapter_locked": "章节已锁定，需要积分解锁", "book_id_required": "书籍ID不能为空", // 分类相关 "category_query_failed": "分类查询失败", "category_exists": "分类已存在", "category_create_failed": "分类创建失败", "category_not_found": "分类不存在", "category_update_failed": "分类更新失败", "category_delete_failed": "分类删除失败", "category_type_invalid": "分类类型无效，只能为1（男频）或2（女频）", // 标签相关 "tag_query_failed": "标签查询失败", "tag_exists": "标签已存在", "tag_create_failed": "标签创建失败", "tag_not_found": "标签不存在", "tag_update_failed": "标签更新失败", "tag_delete_failed": "标签删除失败", // 章节相关 "chapter_query_failed": "章节查询失败", "chapter_create_failed": "章节创建失败", "chapter_update_failed": "章节更新失败", "chapter_delete_failed": "章节删除失败", "chapter_book_id_required": "书籍ID不能为空", "chapter_id_required": "章节ID不能为空", "point_log_failed": "积分日志记录失败", "purchase_id_failed": "获取购买记录ID失败", "progress_invalid": "阅读进度无效，必须在0-100之间", "read_record_update_failed": "阅读记录更新失败", // 反馈相关 "feedback_create_failed": "反馈提交失败", // 阅读记录相关 "read_record_create_failed": "阅读记录创建失败", "read_record_query_failed": "阅读记录查询失败", "read_record_not_found": "阅读记录不存在", "read_record_delete_failed": "阅读记录删除失败", // 关注作者相关 "user_follow_author_query_failed": "关注作者查询失败", "user_follow_author_exists": "已关注该作者", "user_follow_author_create_failed": "关注作者失败", "user_follow_author_not_found": "关注记录不存在", "user_follow_author_delete_failed": "取消关注失败", "user_follow_author_update_failed": "关注作者更新失败", // 作者相关 "author_query_failed": "作者查询失败", "author_user_exists": "该用户已绑定作者", "author_create_failed": "作者创建失败", "author_not_found": "作者不存在", "author_update_failed": "作者更新失败", "author_delete_failed": "作者删除失败", "author_info_failed": "获取作者信息失败", "not_author": "当前用户不是作者", "author_id_required": "作者ID不能为空", "author_review_failed": "作者审核失败", "author_review_status_invalid": "审核状态无效", "author_review_remark_too_long": "审核备注过长", // 书架相关 "bookshelve_query_failed": "书架查询失败", "bookshelve_exists": "该书已在书架中", "bookshelve_create_failed": "加入书架失败", "bookshelve_bookids_empty": "请选择要移除的书籍", "bookshelve_delete_failed": "移除书架失败", // 评分相关 "rating_invalid": "评分无效，必须在1-10分之间", "rating_query_failed": "评分查询失败", "rating_update_failed": "评分更新失败", "rating_create_failed": "评分创建失败", "rating_calculation_failed": "评分计算失败", "book_rating_update_failed": "书籍评分更新失败", // 我的书籍列表相关 "type_invalid": "类型参数无效，必须为1-3", "bookshelf_query_failed": "书架查询失败", "history_query_failed": "历史记录查询失败", "history_create_failed": "历史记录创建失败", "history_delete_failed": "历史记录删除失败", "history_bookids_empty": "请选择要删除的历史记录", "history_update_failed": "历史记录更新失败", "bookshelf_update_failed": "书架更新失败", "chapter_count_failed": "章节统计失败", "read_chapter_count_failed": "已读章节统计失败", // 图片上传相关 "image_file_required": "图片文件不能为空", "image_type_invalid": "只允许上传图片文件", "image_format_invalid": "仅支持 jpg、png、gif、webp 格式的图片", "image_size_exceeded": "图片大小不能超过1MB", "image_read_failed": "无法读取图片内容", "image_upload_failed": "图片上传失败", // 推荐相关 "book_recommendation_query_failed": "推荐查询失败", "book_recommendation_exists": "该类型下该书籍已存在推荐", "book_recommendation_create_failed": "推荐创建失败", "book_recommendation_not_found": "推荐不存在", "book_recommendation_update_failed": "推荐更新失败", "book_recommendation_delete_failed": "推荐删除失败", // 签到奖励规则相关 "sign_in_reward_rule_query_failed": "签到奖励规则查询失败", "sign_in_reward_rule_exists": "规则名称已存在", "sign_in_reward_rule_create_failed": "签到奖励规则创建失败", "sign_in_reward_rule_not_found": "签到奖励规则不存在", "sign_in_reward_rule_update_failed": "签到奖励规则更新失败", "sign_in_reward_rule_delete_failed": "签到奖励规则删除失败", // 签到奖励明细相关 "sign_in_reward_detail_query_failed": "签到奖励明细查询失败", "sign_in_reward_detail_exists": "该规则下该天奖励已存在", "sign_in_reward_detail_create_failed": "签到奖励明细创建失败", "sign_in_reward_detail_not_found": "签到奖励明细不存在", "sign_in_reward_detail_update_failed": "签到奖励明细更新失败", "sign_in_reward_detail_delete_failed": "签到奖励明细删除失败", // 签到日志相关 "user_sign_in_log_query_failed": "签到日志查询失败", "user_sign_in_log_create_failed": "签到日志创建失败", "user_points_log_create_failed": "积分日志创建失败", "user_points_update_failed": "用户积分更新失败", // 用户阅读历史相关 "user_read_history_query_failed": "历史记录查询失败", "user_read_history_update_failed": "历史记录更新失败", "user_read_history_create_failed": "历史记录创建失败", "user_read_history_delete_failed": "历史记录删除失败", "user_read_history_not_found": "历史记录不存在", "user_id_or_book_id_or_chapter_id_invalid": "用户ID、书籍ID或章节ID无效", "user_id_or_book_ids_invalid": "用户ID或书籍ID列表无效", // 任务相关 "task_query_failed": "任务查询失败", "task_add_failed": "任务添加失败", "task_edit_failed": "任务编辑失败", "task_delete_failed": "任务删除失败", "task_not_found": "任务不存在", "task_log_query_failed": "任务日志查询失败", // 任务类型相关 "task_type_query_failed": "任务类型查询失败", "task_type_add_failed": "任务类型添加失败", "task_type_edit_failed": "任务类型编辑失败", "task_type_delete_failed": "任务类型删除失败", "task_type_not_found": "任务类型不存在", }, "en-US": { "hello": "Hello World!", // Common messages "success": "Operation successful", "server_error": "Internal server error", "invalid_operation": "Invalid operation request", "params_error": "Request parameter error", "not_login": "User not logged in", "account_disabled": "Account has been disabled", "permission_denied": "No permission to perform this operation", "token_expired": "Token has expired", "not_found": "Resource not found", "forbidden": "Access forbidden", "unauthorized": "Unauthorized access", "unknown_error": "Unknown error", "user_id_invalid": "Invalid user ID, please re-login", // User related "auth_failed": "Incorrect username or password", "password_incorrect": "Incorrect password", "email_exists": "This email has already been registered", "password_mismatch": "Passwords do not match", "database_query_failed": "Database query failed", "data_conversion_failed": "Data conversion failed", "token_generation_failed": "Token generation failed", "password_encryption_failed": "Password encryption failed", "registration_failed": "Registration failed", "user_not_found": "User does not exist or has been disabled", "email_not_found": "No registered account found for this email", "user_id_required": "User ID cannot be empty", "user_query_failed": "User query failed", "purchase_query_failed": "Purchase record query failed", "score_deduction_failed": "Score deduction failed", "purchase_record_failed": "Purchase record creation failed", // Admin related "admin_not_found": "Administrator not found", "admin_query_failed": "Failed to query administrator information", "invalid_token_format": "Invalid token format", "password_update_failed": "Password update failed", "token_parse_failed": "Token parsing failed", "invalid_token": "Invalid token", // Novel related "book_query_failed": "Book query failed", "book_exists": "Book already exists", "book_create_failed": "Book creation failed", "book_not_found": "Book not found", "book_update_failed": "Book update failed", "book_delete_failed": "Book deletion failed", "chapter_not_found": "Chapter not found", "insufficient_points": "Insufficient points", "chapter_locked": "Chapter is locked, requires points to unlock", "book_id_required": "Book ID cannot be empty", // Category related "category_query_failed": "Category query failed", "category_exists": "Category already exists", "category_create_failed": "Category creation failed", "category_not_found": "Category not found", "category_update_failed": "Category update failed", "category_delete_failed": "Category deletion failed", "category_type_invalid": "Invalid category type, must be 1 (male) or 2 (female)", // Tag related "tag_query_failed": "Tag query failed", "tag_exists": "Tag already exists", "tag_create_failed": "Tag creation failed", "tag_not_found": "Tag not found", "tag_update_failed": "Tag update failed", "tag_delete_failed": "Tag deletion failed", // Chapter related "chapter_query_failed": "Chapter query failed", "chapter_create_failed": "Chapter creation failed", "chapter_update_failed": "Chapter update failed", "chapter_delete_failed": "Chapter deletion failed", "chapter_book_id_required": "Book ID cannot be empty", "chapter_id_required": "Chapter ID cannot be empty", "point_log_failed": "Point log creation failed", "purchase_id_failed": "Failed to get purchase record ID", "progress_invalid": "Reading progress is invalid, must be between 0 and 100", "read_record_query_failed": "Read record query failed", "read_record_update_failed": "Read record update failed", "read_record_create_failed": "Read record creation failed", // Feedback related "feedback_create_failed": "Feedback creation failed", // ReadRecord related "read_record_not_found": "Read record not found", "read_record_delete_failed": "Read record deletion failed", // UserFollowAuthor related "user_follow_author_query_failed": "User follow author query failed", "user_follow_author_exists": "Already followed this author", "user_follow_author_create_failed": "User follow author creation failed", "user_follow_author_not_found": "Follow record not found", "user_follow_author_delete_failed": "Unfollow failed", // Author related "author_query_failed": "Author query failed", "author_user_exists": "User already has an author profile", "author_create_failed": "Author creation failed", "author_not_found": "Author not found", "author_update_failed": "Author update failed", "author_delete_failed": "Author deletion failed", "author_info_failed": "Failed to get author info", "not_author": "Current user is not an author", "author_id_required": "Author ID cannot be empty", "author_review_failed": "Author review failed", "author_review_status_invalid": "Invalid review status", "author_review_remark_too_long": "Review remark is too long", "user_follow_author_update_failed": "Author update failed", // Bookshelve related "bookshelve_query_failed": "Bookshelf query failed", "bookshelve_exists": "Book already in bookshelf", "bookshelve_create_failed": "Failed to add to bookshelf", "bookshelve_bookids_empty": "Please select books to remove", "bookshelve_delete_failed": "Failed to remove from bookshelf", // 评分相关 "rating_invalid": "Rating is invalid, must be between 1-10", "rating_query_failed": "Rating query failed", "rating_update_failed": "Rating update failed", "rating_create_failed": "Rating creation failed", "rating_calculation_failed": "Rating calculation failed", "book_rating_update_failed": "Book rating update failed", // 我的书籍列表相关 "type_invalid": "Type parameter is invalid, must be 1-3", "bookshelf_query_failed": "Bookshelf query failed", "history_query_failed": "History query failed", "history_create_failed": "History creation failed", "history_delete_failed": "History deletion failed", "history_bookids_empty": "Please select history records to delete", "history_update_failed": "History update failed", "bookshelf_update_failed": "Bookshelf update failed", "chapter_count_failed": "Chapter count failed", "read_chapter_count_failed": "Read chapter count failed", // 图片上传相关 "image_file_required": "Image file is required", "image_type_invalid": "Only image files are allowed", "image_format_invalid": "Only jpg, png, gif, webp formats are supported", "image_size_exceeded": "Image size cannot exceed 1MB", "image_read_failed": "Failed to read image file", "image_upload_failed": "Image upload failed", // Recommendation related "book_recommendation_query_failed": "Recommendation query failed", "book_recommendation_exists": "The book already exists in this recommendation type", "book_recommendation_create_failed": "Recommendation creation failed", "book_recommendation_not_found": "Recommendation not found", "book_recommendation_update_failed": "Recommendation update failed", "book_recommendation_delete_failed": "Recommendation deletion failed", // 签到奖励规则相关 "sign_in_reward_rule_query_failed": "Sign-in reward rule query failed", "sign_in_reward_rule_exists": "Rule name already exists", "sign_in_reward_rule_create_failed": "Sign-in reward rule creation failed", "sign_in_reward_rule_not_found": "Sign-in reward rule not found", "sign_in_reward_rule_update_failed": "Sign-in reward rule update failed", "sign_in_reward_rule_delete_failed": "Sign-in reward rule deletion failed", // Sign-in reward detail related "sign_in_reward_detail_query_failed": "Sign-in reward detail query failed", "sign_in_reward_detail_exists": "Reward for this day already exists under the rule", "sign_in_reward_detail_create_failed": "Sign-in reward detail creation failed", "sign_in_reward_detail_not_found": "Sign-in reward detail not found", "sign_in_reward_detail_update_failed": "Sign-in reward detail update failed", "sign_in_reward_detail_delete_failed": "Sign-in reward detail deletion failed", // Sign-in log related "user_sign_in_log_query_failed": "Sign-in log query failed", "user_sign_in_log_create_failed": "Sign-in log creation failed", "user_points_log_create_failed": "Points log creation failed", "user_points_update_failed": "User points update failed", // User read history related "user_read_history_query_failed": "Read history query failed", "user_read_history_update_failed": "Read history update failed", "user_read_history_create_failed": "Read history creation failed", "user_read_history_delete_failed": "Read history deletion failed", "user_read_history_not_found": "Read history not found", "user_id_or_book_id_or_chapter_id_invalid": "User ID, Book ID or Chapter ID is invalid", "user_id_or_book_ids_invalid": "User ID or Book IDs is invalid", // Task related "task_query_failed": "Task query failed", "task_add_failed": "Task add failed", "task_edit_failed": "Task edit failed", "task_delete_failed": "Task delete failed", "task_not_found": "Task not found", "task_log_query_failed": "Task log query failed", // TaskType related "task_type_query_failed": "Task type query failed", "task_type_add_failed": "Task type add failed", "task_type_edit_failed": "Task type edit failed", "task_type_delete_failed": "Task type delete failed", "task_type_not_found": "Task type not found", }, } // I18n 单例结构体 type I18n struct { languageMap map[string]map[string]string mu sync.RWMutex } var ( instance *I18n once sync.Once ) // GetInstance 获取单例实例 func GetInstance() *I18n { once.Do(func() { instance = &I18n{ languageMap: languageMap, } }) return instance } // init 初始化函数 func init() { // 确保单例实例被创建 GetInstance() } // GetLanguage 从请求头或查询参数获取语言设置 func (i *I18n) GetLanguage(ctx context.Context) string { // 优先从请求头获取 if r := g.RequestFromCtx(ctx); r != nil { // 从 Accept-Language 头获取 acceptLang := r.GetHeader("Accept-Language") if acceptLang != "" { lang := parseAcceptLanguage(acceptLang) if isSupportedLanguage(lang) { return lang } } // 从查询参数获取 lang := r.Get("lang").String() if isSupportedLanguage(lang) { return lang } // 从请求头获取自定义语言头 lang = r.GetHeader("X-Language") if isSupportedLanguage(lang) { return lang } } return DefaultLanguage } // T 翻译消息 func (i *I18n) T(ctx context.Context, key string) string { lang := i.GetLanguage(ctx) i.mu.RLock() defer i.mu.RUnlock() if messages, exists := i.languageMap[lang]; exists { if message, exists := messages[key]; exists { return message } } // 如果当前语言没有找到，尝试默认语言 if lang != DefaultLanguage { if messages, exists := i.languageMap[DefaultLanguage]; exists { if message, exists := messages[key]; exists { return message } } } // 如果都没有找到，返回key本身 return key } // Tf 翻译消息并格式化 func (i *I18n) Tf(ctx context.Context, key string, args ...interface{}) string { message := i.T(ctx, key) if len(args) > 0 { message = fmt.Sprintf(message, args...) } return message } // 为了保持向后兼容，提供全局函数 func GetLanguage(ctx context.Context) string { return GetInstance().GetLanguage(ctx) } func T(ctx context.Context, key string) string { return GetInstance().T(ctx, key) } func Tf(ctx context.Context, key string, args ...interface{}) string { return GetInstance().Tf(ctx, key, args...) } // isSupportedLanguage 检查是否为支持的语言 func isSupportedLanguage(lang string) bool { for _, supported := range SupportedLanguages { if supported == lang { return true } } return false } // parseAcceptLanguage 解析Accept-Language头 func parseAcceptLanguage(acceptLang string) string { // 简单的解析，取第一个语言代码 parts := strings.Split(acceptLang, ",") if len(parts) > 0 { lang := strings.TrimSpace(parts[0]) // 移除质量值 if idx := strings.Index(lang, ";"); idx != -1 { lang = lang[:idx] } return lang } return "" } // GetSupportedLanguages 获取支持的语言列表 func GetSupportedLanguages() []string { return SupportedLanguages }