From 18a8f64733b1e557143af4e3d111029dd2886a17 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Tue, 04 Apr 2023 10:48:14 +0800
Subject: [PATCH] 微调跨端通讯接收中心基类

---
 bases/Fetcher.js |  371 ++++++++++++++++++++++++++++------------------------
 1 files changed, 201 insertions(+), 170 deletions(-)

diff --git a/bases/Fetcher.js b/bases/Fetcher.js
index f227744..5a3c494 100644
--- a/bases/Fetcher.js
+++ b/bases/Fetcher.js
@@ -6,6 +6,7 @@
 import Taro from '@tarojs/taro';
 import Qs from 'qs';
 import { Tools } from '@components/common/Tools';
+import { $hostBoot } from '@components/bases/HostBoot';
 import project from '@project';
 
 export class Fetcher {
@@ -18,24 +19,41 @@
         this._data = {
             urlPrefix: options.urlPrefix || ['/api/common/', '/api/common/'],
         };
-        this._defaultConfig.url = Fetcher.host;
     }
 
     /**
      * 请求配置
      * @private
      */
-    _defaultConfig = {
-        url: '',
-        header: {
-            'X-Requested-With': 'XMLHttpRequest',
-            'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
-            'Ax-Rq-Type': 'separation',
-        },
-        credentials: 'same-origin',
-        dataType: 'json',
-        timeout: 30 * 1000,
-    };
+    _defaultConfig = (() => {
+        // 跨域模式,一般为 App 内嵌页面
+        if (project.appHybrid) {
+            return {
+                url: '',
+                header: {
+                    'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
+                },
+                mode: 'cors',
+                credentials: 'include',
+                dataType: 'json',
+                timeout: 30 * 1000,
+            };
+        }
+        // 正常模式,小程序、普通H5
+        else {
+            return {
+                url: '',
+                header: {
+                    'X-Requested-With': 'XMLHttpRequest',
+                    'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
+                    'Ax-Rq-Type': 'separation',
+                },
+                credentials: 'same-origin',
+                dataType: 'json',
+                timeout: 30 * 1000,
+            };
+        }
+    })();
 
     /**
      * 拼写 URL 地址
@@ -45,11 +63,11 @@
      */
     spellURL(devSuffix, serSuffix) {
         let url = '';
-        // 开发环境地址
-        if (Fetcher.inDevMod) {
-            url = this._data.urlPrefix[0] + devSuffix;
+        // mock地址
+        if ($hostBoot.isOnMock()) {
+            url = this._data.urlPrefix[0].replace('api/', '') + devSuffix + '.json';
         }
-        // 生产环境地址
+        // 正常地址
         else {
             url = this._data.urlPrefix[1] + (serSuffix || devSuffix);
         }
@@ -65,29 +83,31 @@
      * get 请求
      * @param {String} url
      * @param {*} data
-     * @param {(String[])[]} [remap]
      * @param {object} [options]
      * @return {Promise<any>}
      */
-    get(url, data, remap = [], options = null) {
+    get(url, data, options = {}) {
         const params = Qs.stringify(data);
         if (url.indexOf('?') >= 0) {
             url += '&' + params;
         } else {
             url += '?' + params;
         }
-        return this.query('get', url, null, remap, options);
+        return this.query('get', url, null, options);
     }
 
     /**
      * post 请求
      * @param {String} url
      * @param {*} data
-     * @param {(String[])[]} [remap]
      * @param {object} [options]
      * @return {Promise<any>}
      */
-    post(url, data, remap = [], options = null) {
+    post(url, data, options = {}) {
+        // mock 模式转换为 get 请求
+        if ($hostBoot.isOnMock()) {
+            return this.get(url, data, options);
+        }
         const params = Qs.stringify(data);
         const data2 = {};
         params.split('&').forEach(param => {
@@ -96,7 +116,7 @@
                 data2[decodeURIComponent(item[0])] = decodeURIComponent(item[1]);
             }
         });
-        return this.query('post', url, data2, remap, options);
+        return this.query('post', url, data2, options);
     }
 
     /**
@@ -104,37 +124,100 @@
      * @param {String} type
      * @param {String} url
      * @param {*} [data]
-     * @param {*} [remap]
      * @param {object} [options]
      * @return {Promise<any>|}
      */
-    query(type, url, data = null, remap, options = {}) {
+    query(type, url, data = null, options = {}) {
         return new Promise((resolve, reject) => {
+            const header = {
+                ...this._defaultConfig.header,
+            };
+            // 小程序中追加 cookie
+            if (process.env.TARO_ENV === 'weapp') {
+                header['Cookie'] = this._getCookies();
+            }
             Taro.request({
                 ...this._defaultConfig,
-                url: this._defaultConfig.url + url,
+                header,
+                url: this._createUrlPrefix(options) + url,
                 method: type.toUpperCase(),
                 data,
                 success: response => {
+                    // 小程序中保存 cookie
+                    if (process.env.TARO_ENV === 'weapp') {
+                        this._saveCookies(response.cookies);
+                    }
+                    // 捕获响应
+                    options && options.onCapture && options.onCapture({
+                        url: this._createUrlPrefix(options) + url,
+                        request: data,
+                        response: { ...response.data },
+                        httpCode: response.statusCode,
+                    });
                     /**
                      * @type {{state: {code, http, msg}, data: Object}}
                      * @example response.state.code
                      *  2000  通用请求成功
                      *  2001  请求成功,但是没有数据,弹窗提示 msg(仅特殊情况使用)
                      *  5000  通用请求失败,弹窗提示 msg
-                     *  9001  登陆已过期,弹窗提示过期且返回登陆页
-                     *  9002  已登陆但没有操作权限,弹窗提示 msg
+                     *  9001  登录已过期,弹窗提示过期且返回登录页
+                     *  9002  已登录但没有操作权限,弹窗提示 msg
                      */
                     const responseData = this._adaptiveResponseData(response.data);
                     responseData.state.http = response.statusCode;
-                    resolve(this._transformResponseData(responseData, remap));
+                    resolve(this._transformResponseData(responseData, options));
                 },
                 fail: error => {
-                    this._resolveCaughtNetErr(error);
+                    // 处理响应
+                    this._resolveCaughtNetErr(error, options, msg => {
+                        // 捕获响应
+                        options && options.onCapture && options.onCapture({
+                            url: this._createUrlPrefix(options) + url,
+                            request: data,
+                            httpCode: error && error.status,
+                            httpMsg: msg + (error.message ? (' / ' + error.message) : ''),
+                        });
+                    });
                     reject(null);
                 },
             });
         });
+    }
+
+    _createUrlPrefix(options) {
+        // 如果指定了主机类,使用固定主机类型地址,否则使用默认主机类型地址
+        let urlPrefix = '';
+        if (options.hostType) {
+            urlPrefix = $hostBoot.getHost(options.hostType);
+        } else {
+            urlPrefix = $hostBoot.getHost();
+        }
+        // mock 模式转换地址
+        if ($hostBoot.isOnMock()) {
+            urlPrefix += (project.host.assetsPath.indexOf('..') === 0 ? '/' : '') +
+                project.host.assetsPath.replace('/assets', '/mocks');
+        }
+        return urlPrefix;
+    }
+
+    // 小程序中,保存 cookies
+    _saveCookies(cookies) {
+        const localCookies = JSON.parse(Taro.getStorageSync('cookies') || '{}');
+        cookies.forEach(cookie => {
+            const mc = cookie.match(/([a-zA-Z0-9_\-]+)=(.*?);/);
+            localCookies[mc[1]] = mc[2];
+        });
+        Taro.setStorageSync('cookies', JSON.stringify(localCookies));
+    }
+
+    // 小程序中,获取 cookies
+    _getCookies() {
+        const localCookies = JSON.parse(Taro.getStorageSync('cookies') || '{}');
+        const cookiesArr = [];
+        Object.keys(localCookies).forEach(key => {
+            cookiesArr.push(key + '=' + localCookies[key]);
+        });
+        return cookiesArr.join('; ');
     }
 
     /**
@@ -145,6 +228,53 @@
         // 标准请求,不转换
         if (typeof responseData.state === 'object' && typeof responseData.data === 'object') {
             return responseData;
+        }
+        // App版请求(存在ret直接视为App请求),响应体转换
+        if (typeof responseData.ret !== 'undefined') {
+            // 转换数据体
+            let data2 = { rows: [] };
+            // 数组类型
+            if (responseData.data instanceof Array) {
+                if (responseData.data.length > 0) {
+                    data2.rows = responseData.data;
+                }
+            }
+            // 对象类型
+            else if (responseData.data instanceof Object) {
+                if (!Tools.isEmptyObject(responseData.data)) {
+                    data2 = responseData.data;
+                }
+            }
+            // 不存在
+            else if (typeof responseData.data === 'undefined') {
+                data2 = {};
+            }
+            // 转换响应码
+            let code = 0;
+            // 正常
+            if (responseData.ret === 0) {
+                code = 2000;
+            }
+            // 特殊模式下的状态码,转换为正常模式,由页面处理业务
+            else if (responseData.ret === 10999) {
+                code = 2000;
+            }
+            // 未登录
+            else if (responseData.ret === 101110) {
+                code = 9001;
+            }
+            // 其他按报错
+            else {
+                code = 5000;
+            }
+            // 合并响应体
+            return {
+                state: {
+                    code,
+                    msg: responseData.msg,
+                },
+                data: data2,
+            };
         }
         // 旧请求,操作类通讯,响应体转换
         if (typeof responseData.status !== 'undefined' && typeof responseData.dataMsg !== 'undefined') {
@@ -193,9 +323,11 @@
     /**
      * 解析捕获的网络错误
      * @param err
+     * @param options
+     * @param callback
      * @private
      */
-    _resolveCaughtNetErr(err) {
+    _resolveCaughtNetErr(err, options, callback) {
         let msg = '';
         if (err && err.status) {
             switch (err.status) {
@@ -203,7 +335,7 @@
                     msg += '通讯请求有误!(400 Bad Request)';
                     break;
                 case 401:
-                    msg += '您的登陆已失效!请重新登陆!(401 Unauthorized)';
+                    msg += '您的登录已失效!请重新登录!(401 Unauthorized)';
                     break;
                 case 403:
                     msg += '通讯请求被拒绝!(403 Forbidden)';
@@ -233,17 +365,22 @@
         } else {
             msg += '解析通讯数据异常!';
         }
-        this.message('error', msg);
+        callback(msg);
+        setTimeout(() => {
+            if (typeof options.silence === 'undefined' || !options.silence) {
+                this._message('fail', msg);
+            }
+        }, 20);
     }
 
     /**
      * 转换响应体
      * @param response
-     * @param {Array[]} remap
+     * @param options
      * @returns {Object|{}|null}
      * @private
      */
-    _transformResponseData(response, remap) {
+    _transformResponseData(response, options) {
         if (!response) {
             return null;
         }
@@ -257,78 +394,36 @@
                 }
                 // 先转驼峰
                 response.data = this.transKeyName('camel', response.data);
-                // 再重映射
-                if (remap && remap.length > 0) {
-                    response.data = this._remapData(response.data, remap);
-                }
                 // 转换常规数字字符串为数值
                 response.data = this._transNumStringToNumber(response.data);
                 return response.data;
             }
         } else if (response.state.code === 2001) {
-            this.message('info', response.state.msg);
+            setTimeout(() => {
+                if (typeof options.silence === 'undefined' || !options.silence) {
+                    this._message('info', response.state.msg);
+                }
+            }, 20);
             return null;
         } else if (response.state.code === 9001) {
-            // this._showLoginExpired();
+            // 在微信公众号中,每次进入即登录,登录失效关闭重进即可(进入链接带公司绑定码,页面没有存这个码,也不需要)
+            // 在小程序中,使用自动登录机制,自动登录失败才去授权页绑定账号
+            if (process.env.TARO_ENV === 'weapp') {
+                Taro.navigateTo({ url: '/pages/home/index/index?mode=login' });
+            }
+            // 在App中,跳转到首页取消登录
+            if (project.appHybrid) {
+                Taro.navigateTo({ url: '/pages/home/index/index?mode=logout' });
+            }
+            return null;
         } else {
-            this.message('error', response.state.msg);
+            setTimeout(() => {
+                if (typeof options.silence === 'undefined' || !options.silence) {
+                    this._message('error', response.state.msg);
+                }
+            }, 20);
             return null;
         }
-    }
-
-    /**
-     * 转换响应体数据结构
-     * @param {Object} data
-     * @param {Array[]} maps
-     * @example maps: [
-     *          ['rows.[]', 'recvName', 'userName']   // 默认语法:键名转换(路径,旧名,新名)
-     *      ]
-     * @private
-     */
-    _remapData(data, maps) {
-        // 渡值
-        const ferryValue = (source, paths, map) => {
-            // 最后一环,传值
-            if (paths.length === 0) {
-                // 目标已有值,跳过传值不覆盖
-                if (typeof source[map[2]] !== 'undefined') {
-                    return;
-                }
-                // 来源没有值,赋值空字符串
-                if (typeof source[map[1]] === 'undefined') {
-                    source[map[2]] = '';
-                }
-                // 来源有值,直接赋值
-                else {
-                    source[map[2]] = source[map[1]];
-                }
-                delete source[map[1]];
-                return;
-            }
-            // 提取当前环节
-            const curPath = paths.shift();
-            if (curPath === '[]') {
-                source.forEach(item => {
-                    ferryValue(item, [...paths], map);
-                });
-            } else {
-                ferryValue(source[curPath], [...paths], map);
-            }
-        };
-        for (let map of maps) {
-            // 键名转换
-            if (map[0].indexOf('.') >= 0) {
-                const paths = map[0].split('.');
-                ferryValue(data, paths, map);
-            } else {
-                if (map[0].length > 0) {
-                    ferryValue(data, [map[0]], map);
-                } else {
-                    ferryValue(data, [], map);
-                }
-            }
-        }
-        return data;
     }
 
     /**
@@ -337,7 +432,7 @@
      * @return {String}
      * @private
      */
-    _stringToCamel(str) {
+    stringToCamel(str) {
         let str2 = '';
         if (str.indexOf('_') <= 0) {
             str2 = str;
@@ -357,7 +452,7 @@
      * @return {String}
      * @private
      */
-    _stringToUnderline(str) {
+    stringToUnderline(str) {
         let str2 = '';
         if ((/[A-Z]/).test(str)) {
             str2 = str.replace(/([A-Z])/g, ($1) => {
@@ -387,9 +482,9 @@
                     // 字符串键名进行转换
                     else {
                         if (type === 'camel') {
-                            key = this._stringToCamel(p);
+                            key = this.stringToCamel(p);
                         } else if (type === 'underline') {
-                            key = this._stringToUnderline(p);
+                            key = this.stringToUnderline(p);
                         }
                     }
                     // 属性为对象时,递归转换
@@ -438,12 +533,12 @@
                     return path;
                 }
                 // 绝对路径
-                if (/^(\/upload|\/static)/.test(path)) {
-                    return Fetcher.host + path;
+                if (/^(\/upload|\/static|\/mini|\/assets)/.test(path)) {
+                    return $hostBoot.getHost() + path;
                 }
                 // 部分路径
                 else {
-                    return Fetcher.host + '/upload/' + path;
+                    return $hostBoot.getHost() + '/upload/' + path;
                 }
             }
             // 裁剪多余部分
@@ -490,77 +585,13 @@
      * @param type
      * @param msg
      */
-    message(type, msg) {
+    _message(type, msg) {
         Taro.showToast({
             title: msg,
             icon: 'none',
-            mask: true,
-            duration: type === 'error' ? 5000 : 3000,
+            mask: false,
+            duration: type === 'fail' ? 3000 : 2000,
         });
     }
-
-    /**
-     * 记录是否为本地开发模式
-     * @type {Boolean}
-     */
-    static inDevMod = (() => {
-        // 网页
-        if (process.env.TARO_ENV === 'h5') {
-            // 当没有 url 指定时,只有内网 ip 和 33**/35** 的端口号,视为本地开发模式
-            return /^(192|127|localhost).*?:3[35]\d{2}$/i.test(window.location.host);
-        }
-        // 小程序
-        else if (process.env.TARO_ENV === 'weapp') {
-            // 开发编译
-            if (process.env.NODE_ENV === 'development') {
-                return true;
-            }
-            // 生产编译
-            else if (process.env.NODE_ENV === 'production') {
-                return false;
-            }
-        }
-    })();
-
-    /**
-     * 当前服务器主机地址
-     * @type {String}
-     */
-    static host = (() => {
-        // 网页
-        if (process.env.TARO_ENV === 'h5') {
-            // 开发
-            if (Fetcher.inDevMod) {
-                return window.location.protocol + '//' + window.location.host;
-            }
-            // 生产
-            else {
-                // 如果网址参数有指定服务器类型,匹配指定的服务器地址
-                const sever = Tools.getUrlParam('sever');
-                if (sever && typeof project.host.hosts[sever] !== 'undefined') {
-                    return project.host.hosts[sever];
-                }
-                // 使用设置的默认服务器地址
-                else if (project.host.server) {
-                    return project.host.server;
-                }
-                // 网页域名提取服务器地址
-                else {
-                    return window.location.protocol + '//' + window.location.host;
-                }
-            }
-        }
-        // 小程序
-        else if (process.env.TARO_ENV === 'weapp') {
-            // 开发
-            if (Fetcher.inDevMod) {
-                return project.host.hosts[project.host.devType];
-            }
-            // 生产
-            else {
-                return project.host.server;
-            }
-        }
-    })();
 
 }

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