1.0.0

common/ajax.js

@@ -0,0 +1,118 @@
+import ajax from '@/uni_modules/uni-ajax/js_sdk/index.js';
+import {
+	TaCache
+} from './cache';
+import {
+	TaToast
+} from './toast';
+import {
+	objectHasKey
+} from './util';
+
+// 执行队列
+let _tasks = []
+let _status = true
+
+export const baseUrl = 'https://www.gafzgc.com/'
+// export const baseUrl = 'http://127.0.0.1:8000/'
+
+// 创建请求实例，检查登录状态及业务异常，返回 Body 内容( 建议使用 TaPost 处理)
+const TaHttp = ajax.create({
+	baseURL: baseUrl
+})
+
+// 创建请求实例，不检查登录状态及业务异常，返回 Body 内容
+export const TaAjax = ajax.create({
+	baseURL: baseUrl
+})
+
+// 通用 POST 提交，检查登录状态及业务异常，返回 Body 内容，可中断请求
+export function TaPost(uri, data = {}, load = '', options = {}) {
+	load.length > 0 && TaToast.loading(load)
+	return new Promise((resolve, reject) => {
+		if (_status) {
+			_tasks.push(options.fetcher = new ajax.Fetcher())
+			TaHttp.post(uri, data, options).then((ret) => {
+				ret.code === 1 ? resolve(ret) : reject(ret)
+			}).finally(() => {
+				load.length > 0 && TaToast.loadhide()
+				_tasks.splice(_tasks.indexOf(options.fetcher), 1)
+			})
+		} else {
+			load.length > 0 && TaToast.loadhide()
+			reject({
+				code: 0,
+				info: '请求已被阻止！'
+			})
+		}
+	})
+}
+
+// 阻止 POST 请求 ( 20毫秒内阻止请求 )
+export function TaPostAbort() {
+	_status = false;
+	_tasks.forEach((x, i) => (x.abort(), _tasks.splice(i, 1)))
+	return new Promise(resolve => setTimeout(() => resolve(_status = true), 20))
+}
+
+// 添加请求拦截器
+TaHttp.interceptors.request.use(useRequestInterceptor, error => Promise.reject(error))
+TaAjax.interceptors.request.use(useRequestInterceptor, error => Promise.reject(error))
+
+// 添加响应拦截器
+TaHttp.interceptors.response.use(response => useResponseInterceptor(response, true), error => Promise.reject(error))
+TaAjax.interceptors.response.use(response => useResponseInterceptor(response, false), error => Promise.reject(error))
+
+// 定义请求拦截函数
+function useRequestInterceptor(config) {
+	// 检查是否有 Api-Token 配置，没有则自动追加配置
+	let token = TaCache.get('auth.token')
+	if (token) config.header['Api-Token'] = token
+	// 检查是否有 Content-Type 配置，没有则自动追加配置
+	if (!objectHasKey(config.header, 'content-type')) {
+		config.header['Content-Type'] = 'application/x-www-form-urlencoded'
+	}
+	return config
+}
+
+// 定义结果拦截函数
+function useResponseInterceptor(response, checkAuth) {
+	//  获取返回的数据
+	let body = response.data || {
+		code: 0,
+		info: 'unknow',
+		data: {}
+	}
+	// 网络请求异常处理
+	if (response.statusCode === 404) {
+		TaToast.error(body.info || '资源不存在！')
+		return Promise.reject(body)
+	} else if (response.statusCode === 500) {
+		TaToast.error(body.info || '服务异常！')
+		return Promise.reject(body)
+	} else if (response.statusCode !== 200) {
+		TaToast.error(body.info || '请求异常！' + body.code)
+		return Promise.reject(body)
+	}
+	// 接口返回异常处理
+	if (checkAuth) {
+		if (body.code === 402) {
+			TaPostAbort(), TaToast.error(body.info || '请完善资料！').then(() => uni.navigateTo({
+				url: '/pages/user/bind/bind'
+			}))
+			return Promise.reject(body)
+		} else if ((body.code === 401 || body.code === 403)) {
+			TaPostAbort(), TaToast.error(body.info || '需要登录授权！').then(() => DataUser.logout())
+			return Promise.reject(body)
+		} else if (body.code !== 1) {
+			body.info && TaToast.error(body.info)
+			return Promise.reject(body)
+		}
+	}
+	// 任何请求，如果有返回 Token 都进行保存授权令牌
+	if (body.data && typeof body.data.token === 'string') {
+		TaCache.set('auth.token', body.data.token)
+	}
+	// 返回主体内容
+	return Promise.resolve(body);
+}