refactor(http, diy): 抽象通用网络错误处理逻辑
1. 抽离通用http错误分类器到单独模块,实现错误处理复用 2. 统一多语言文案,将diy专属错误合并到通用http命名空间 3. 简化diy页面的错误处理代码,降低维护成本
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@@ -1,6 +1,7 @@
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import WxMap from 'common/js/map-wx-jssdk.js';
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import Config from '@/common/js/config.js';
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import util from '@/common/js/util.js';
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import { classifyHttpError, httpErrorKey } from '@/common/js/http-error.js';
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let systemInfo = util.getDeviceInfo();
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@@ -326,30 +327,19 @@ export default {
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// 根据错误信息组织更详细的提示文案
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// 说明:remote-only 模式下 $lang 可能返回空串,故统一用 `|| 中文兜底` 保证非空
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_buildDiyErrorMsg(err) {
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// 无错误信息 -> 通用网络异常
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if (!err) return this.$lang('diy.networkError');
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// 服务端明确返回的业务消息(字符串)
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if (typeof err === 'string') return err;
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const info = classifyHttpError(err);
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const statusCode = err.statusCode;
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const errMsg = err.errMsg || err.message || '';
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let reason;
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// 服务端明确返回的业务消息(字符串):直接透传
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if (info.type === 'business') return info.raw;
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if (statusCode) {
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// HTTP 状态码类错误
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if (statusCode === 404) reason = this.$lang('diy.errNotFound');
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else if (statusCode >= 500) reason = this.$lang('diy.errServer');
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else if (statusCode === 401 || statusCode === 403) reason = this.$lang('diy.errAuth');
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else reason = this.$lang('diy.errRequest');
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reason += '(' + statusCode + ')';
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} else if (/timeout/i.test(errMsg)) {
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reason = this.$lang('diy.errTimeout');
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} else if (/(connect|network|fail)/i.test(errMsg)) {
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reason = this.$lang('diy.errNetwork');
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} else {
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// 未知错误 -> 通用网络异常
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return this.$lang('diy.networkError');
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}
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const key = diyErrorKey(info.type);
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let reason = this.$lang(key);
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// HTTP 状态码类错误:把 statusCode 拼到 reason 后面
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if (info.statusCode) reason += '(' + info.statusCode + ')';
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// empty / unknown 不走模板,直接返回通用网络异常
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if (info.type === 'empty' || info.type === 'unknown') return reason;
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const tpl = this.$lang('diy.loadFailTpl');
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return tpl.replace('{reason}', reason);
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101
common/js/http-error.js
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101
common/js/http-error.js
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@@ -0,0 +1,101 @@
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/**
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* 通用网络/接口错误分类器
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*
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* 适用场景:
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* - uniapp 各端统一错误分类(diy.js / 商品 / 订单 / 自定义页面等)
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* - 任意传入 {statusCode, errMsg, message} 形式错误对象的位置
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*
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* 设计要点:
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* 1) 与 Vue / $lang 解耦:不调用任何 i18n 函数,只返回分类结果 + 原始错误字段
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* 调用方拿到 type 后,自行决定使用 $lang('http.timeout') / $lang('http.serverError')
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* 或其它命名空间的文案,完全保持各模块原有的 key 命名习惯
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* 2) 通用网络/接口错误统一映射到 common.http.* 命名空间:
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* - http.networkError: 通用网络异常(兜底)
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* - http.timeout: 请求超时
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* - http.serverError: 服务器错误(5xx)
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* - http.notFound: 接口不存在(404)
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* - http.auth: 无访问权限(401/403)
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* - http.unknown: 其他非 2xx
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* 3) 兼容多种错误对象形态:
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* - uniapp request: { statusCode, errMsg, data }
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* - axios: { response: { status }, message }
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* - fetch / 原生: { message, name }
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*
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* @param {Object|string} err 错误对象或后端业务消息字符串
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* @returns {{ type: string, statusCode?: number, errMsg?: string, raw?: any }}
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* - type 取值:
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* 'business' - 后端返回的业务消息字符串(已透传到 raw)
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* 'empty' - 错误对象为空
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* 'notFound' - HTTP 404
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* 'server' - HTTP 5xx
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* 'auth' - HTTP 401 / 403
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* 'request' - 其它非 2xx 状态码
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* 'timeout' - errMsg 含 timeout
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* 'network' - errMsg 含 connect / network / fail
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* 'unknown' - 无法分类
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* - statusCode: 若有则原样返回
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* - errMsg: 归一后的原始消息
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* - raw: 原始输入,方便调用方进一步处理
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*/
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export function classifyHttpError(err) {
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// 1) 无错误对象
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if (!err) {
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return { type: 'empty', raw: err };
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}
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// 2) 后端直接返回的业务消息(字符串)
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if (typeof err === 'string') {
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return { type: 'business', raw: err };
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}
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// 3) 字段归一(兼容 uni / axios / 原生 Error)
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const statusCode = err.statusCode
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?? err.response?.status
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?? err.status;
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const errMsg = err.errMsg || err.message || '';
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if (statusCode) {
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if (statusCode === 404) return { type: 'notFound', statusCode, errMsg, raw: err };
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if (statusCode >= 500) return { type: 'server', statusCode, errMsg, raw: err };
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if (statusCode === 401 || statusCode === 403) return { type: 'auth', statusCode, errMsg, raw: err };
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return { type: 'request', statusCode, errMsg, raw: err };
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}
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if (/timeout/i.test(errMsg)) {
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return { type: 'timeout', errMsg, raw: err };
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}
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if (/(connect|network|fail)/i.test(errMsg)) {
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return { type: 'network', errMsg, raw: err };
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}
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return { type: 'unknown', errMsg, raw: err };
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}
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/**
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* 根据 classifyHttpError 的结果,映射到 common.http.* 命名空间的 i18n key
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*
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* 通用网络/接口错误统一走 http.*,调用方通过 $lang(key) 解析文案。
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* 原 diy.errTimeout 这类 key 已合并到 http.*,保持项目国际化更专业。
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*
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* @param {string} type classifyHttpError 返回的 type
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* @returns {string|null} 对应的 http.* key;type='business' 时返回 null(透传 raw)
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*/
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export function httpErrorKey(type) {
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switch (type) {
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case 'empty': return 'http.networkError';
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case 'business': return null; // 透传,不用 key
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case 'notFound': return 'http.notFound';
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case 'server': return 'http.serverError';
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case 'auth': return 'http.auth';
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case 'request': return 'http.unknown';
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case 'timeout': return 'http.timeout';
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case 'network': return 'http.networkError';
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case 'unknown':
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default: return 'http.networkError';
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}
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}
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export default {
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classifyHttpError,
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httpErrorKey,
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};
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@@ -54,21 +54,14 @@ export const lang = {
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serviceUnavailable: 'Navigation service temporarily unavailable',
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},
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// diy custom page
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// diy custom page (diy-specific copy, generic HTTP errors reuse http.*)
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diy: {
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networkError: 'Network error, please try again later',
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networkErrorTitle: 'Notice',
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retry: 'Retry',
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noDiyData: 'Custom page data not configured',
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locationNotAvailable: 'Location not available',
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// detailed data-load failure messages
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// detailed data-load failure template (diy-specific, {reason} is filled by generic http.*)
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loadFailTpl: 'Failed to load page data: {reason}, please try again later',
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errNotFound: 'API not found',
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errServer: 'Server error',
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errAuth: 'No access permission',
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errRequest: 'Request failed',
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errTimeout: 'Request timeout',
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errNetwork: 'Network connection failed',
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},
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//customer service
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@@ -144,13 +137,17 @@ export const lang = {
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requestFailed: '{url} request failed. {err}',
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// network timeout
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timeout: 'Network request timeout, please try again later',
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// network connection failed
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networkError: 'Network connection failed, please check your network',
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// network connection failed / generic network error (unified copy, reused by diy and other generic scenarios)
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networkError: 'Network error, please try again later',
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// server error
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serverError: 'Service temporarily unavailable, please try again later',
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serverError: 'Server error, please try again later',
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// API not found (HTTP 404)
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notFound: 'API not found',
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// no access permission (HTTP 401 / 403)
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auth: 'No access permission',
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// request aborted
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aborted: 'Request cancelled',
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// unknown error (errorType fallback, e.g. non-5xx HTTP status like 404)
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// unknown error (errorType fallback, e.g. non-5xx/404/401/403 HTTP status)
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unknown: 'Request failed, please try again later',
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// unknown error
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unknownError: 'Request failed, please try again later',
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@@ -61,21 +61,14 @@ export const lang = {
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weChatWorkKefu: '企业微信客服',
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},
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// diy 自定义页面
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// diy 自定义页面(diy 专属文案,通用网络/接口错误复用 http.*)
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diy: {
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networkError: '网络异常,请稍后重试',
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networkErrorTitle: '提示',
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retry: '重试',
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noDiyData: '未配置自定义页面数据',
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locationNotAvailable: '未获取到定位',
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// 数据加载失败详细文案
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// 数据加载失败详细文案(diy 专属模板,内部 {reason} 由通用 http.* 填充)
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loadFailTpl: '页面数据加载失败:{reason},请稍后重试',
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errNotFound: '接口不存在',
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errServer: '服务器异常',
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errAuth: '无访问权限',
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errRequest: '请求失败',
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errTimeout: '请求超时',
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errNetwork: '网络连接失败',
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},
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// 客服服务
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@@ -144,13 +137,17 @@ export const lang = {
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requestFailed: '{url}请求失败. {err}',
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// 网络超时
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timeout: '网络请求超时,请稍后重试',
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// 网络连接失败
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networkError: '网络连接失败,请检查网络设置',
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// 网络连接失败 / 通用网络异常(统一文案,供 diy 等通用场景复用)
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networkError: '网络异常,请稍后重试',
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// 服务器错误
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serverError: '服务暂时不可用,请稍后重试',
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serverError: '服务器异常,请稍后重试',
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// 接口不存在(HTTP 404)
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notFound: '接口不存在',
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// 无访问权限(HTTP 401 / 403)
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auth: '无访问权限',
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// 请求被中断
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aborted: '请求已取消',
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// 未知错误(errorType 分类兜底,如非 5xx 的 HTTP 状态码 404 等)
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// 未知错误(errorType 分类兜底,如非 5xx/404/401/403 的 HTTP 状态码)
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unknown: '请求失败,请稍后重试',
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// 未知错误
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unknownError: '请求失败,请稍后重试',
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