export class ApiResponse { success: boolean; data?: T; message?: string; code: number; private constructor(success: boolean, code: number, data?: T, message?: string) { this.success = success; this.code = code; this.data = data; this.message = message; } static success(data?: T, message = "操作成功"): ApiResponse { return new ApiResponse(true, 0, data, message); } static error(message: string, code = 10000): ApiResponse { return new ApiResponse(false, code, null, message); } }