// 统一响应体封装,字段严格对齐真实后端 {code, message, data} export function ok(data = null, message = '操作成功') { return { code: 200, message, data } } export function fail(message = '请求失败', code = 500, data = null) { return { code, message, data } } export function sendOk(res, data, message) { res.json(ok(data, message)) } export function sendFail(res, message, code = 500, httpStatus = 200) { res.status(httpStatus).json(fail(message, code)) }