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utils/request.js

@@ -0,0 +1,222 @@
+import { VUE_APP_API_URL, VUE_APP_UPLOAD_URL } from "@/config";
+import cookie from "@/utils/cookie";
+import { handleLoginFailure } from "@/utils/index";
+import qs from 'qs'
+
+function baseUrl() {
+    let url
+    // #ifdef H5
+    // h5开发环境直接走代理 vite.config.js
+    if (process.env.NODE_ENV === 'development') {
+        url = '/yshop-api'
+    } else {
+        url = VUE_APP_API_URL
+    }
+    // #endif
+    // #ifndef H5
+    url = VUE_APP_API_URL
+    // #endif
+    return url
+}
+
+class RequestUtil {
+
+    // 超时时间（毫秒）
+    requestTimeout = 10000
+    // 默认参数
+    defaultOptions = {}
+
+
+    /**
+     * 请求
+     * @param options
+     * @return {Promise<any>}
+     */
+    doRequest(options = {}) {
+        options = this.beforeRequest(options)
+        return new Promise((resolve, reject) => {
+            uni.request({
+                ...options,
+                url: `${ baseUrl() }${ options.url }`,
+                timeout: this.requestTimeout,
+                success: (res) => {
+                    this.afterResponse(res, resolve, reject)
+                },
+                fail: (err) => {
+                    uni.showToast({title: '请求出错了', icon: 'none'})
+                    console.error(err)
+                    reject(err)
+                }
+            })
+        })
+    }
+
+    /**
+     * 请求拦截器
+     * @param options
+     */
+    beforeRequest(options) {
+        // 合并options，用户优先
+        options = {
+            header: {},
+            ...this.defaultOptions,
+            ...options
+        }
+        // 设置header
+        const token = cookie.get('accessToken')
+        options.header = {
+            ...options.header,
+            Authorization: token.accessToken ? 'Bearer ' + token.accessToken : '',
+        }
+        // 处理get参数被吃掉问题
+        if (options.method && options.method.toLowerCase() === 'get' && options.data) {
+            // 如果是get请求，且params是数组类型如arr=[1,2]，则转换成arr=1&arr=2
+            // const newData = stringify(options.data)
+            // delete options.data;
+            const data = qs.stringify(options.data);
+            if (data) {
+                delete options.data
+                options.url = `${ options.url }?${ data }`;
+            }
+        }
+        return options
+    }
+
+    /**
+     * 响应拦截器（处理器）
+     * @param res {RequestSuccessCallbackResult} 响应
+     * @param resolve
+     * @param reject
+     */
+    afterResponse(res, resolve, reject) {
+        uni.hideLoading()
+        if (res.errMsg === 'uploadFile:ok') {
+            res.data = JSON.parse(res.data)
+        }
+        // 请求statusCode非200
+        if (res.statusCode !== 200) {
+            return reject(res.data)
+        }
+        const {data} = res
+        // 无权限
+        if ([401].includes(data.code)) {
+            handleLoginFailure()
+            return reject(data)
+        }
+        // 拦截后端响应code
+        if (![0, 200].includes(data.code)) {
+            if ([1008007023].includes(data.code)) {
+                return reject(data)
+            }
+            setTimeout(() => {
+                uni.showToast({title: data.msg, icon: 'none'})
+            }, 50)
+            return reject(data)
+        }
+        resolve(data.data)
+    }
+
+    /**
+     * get
+     * @param url
+     * @param data
+     * @return {Promise<*>}
+     */
+    get(url, data = {}) {
+        return this.doRequest({
+            url,
+            data,
+            method: 'GET'
+        })
+    }
+
+    /**
+     * post
+     * @param url
+     * @param data
+     * @return {Promise<*>}
+     */
+    post(url, data = {}) {
+        return this.doRequest({
+            url,
+            data,
+            method: 'POST'
+        })
+    }
+
+    /**
+     * put
+     * @param url
+     * @param data
+     * @return {Promise<*>}
+     */
+    put(url, data = {}) {
+        return this.doRequest({
+            url,
+            data,
+            method: 'PUT'
+        })
+    }
+
+    /**
+     * delete
+     * @param url
+     * @param data
+     * @return {Promise<*>}
+     */
+    delete(url, data = {}) {
+        return this.doRequest({
+            url,
+            data,
+            method: 'DELETE'
+        })
+    }
+
+    /**
+     * 上传
+     * @param options
+     * @return {Promise<unknown>}
+     * @doc https://zh.uniapp.dcloud.io/api/request/network-file.html
+     */
+    upload(options) {
+        options = this.beforeRequest(options)
+        return new Promise((resolve, reject) => {
+            uni.uploadFile({
+                ...options,
+                url: `${ baseUrl() }${ options.url || VUE_APP_UPLOAD_URL }`,
+                success: (uploadFileRes) => {
+                    this.afterResponse(uploadFileRes, resolve, reject)
+                },
+                fail(err) {
+                    reject(err)
+                }
+            })
+        })
+    }
+
+    /**
+     * 下载
+     * @param url
+     * @return {Promise<unknown>}
+     * @doc https://zh.uniapp.dcloud.io/api/request/network-file.html
+     */
+    download(url) {
+        return new Promise((resolve, reject) => {
+            Request.downLoadTask = uni.downloadFile({
+                url,
+                success: (res) => {
+                    if (res.statusCode === 200) {
+                        return resolve(res)
+                    }
+                    return reject(res)
+                },
+                fail: (err) => {
+                    reject(err)
+                }
+            });
+        })
+    }
+}
+
+
+export const requestUtil = new RequestUtil()