feat: add proxy

example/config/config.development.ts

@@ -40,9 +40,9 @@ export default app => {
     },
 
     // mock配置
-    mock: {
-      prefix: '',
-    },
+    // mock: {
+    //   prefix: '', // api前缀
+    // },
 
     // ioredis 配置，使用之前，需要开启redis-server
     // redis: {

example/controller/goods/getinfo.ts

@@ -1,6 +1,8 @@
 export default {
   method: 'GET',
   handler: async (ctx) => {
-    ctx.body = "this is koa book."
+    const result = await ctx.proxy('https://registry.npmjs.com/diudiu/latest');
+
+    ctx.body = result;
   }    
 }

example/mock/goods.ts

@@ -12,7 +12,7 @@ export default {
     }
   ],
   'GET /goods/getinfo': (ctx) => {
-    console.log(ctx);
+    // console.log(ctx);
     return {
       id: 1,
       goodname: 'book',

example/mock/user.ts

@@ -4,7 +4,7 @@ export default {
       id: 1,
     },
   ],
-  'GET /user/info': (ctx) => {
+  'GET /user/getinfo': (ctx) => {
     return {
       id: 1,
       username: 'sky',

lib/core/hooks/mock.ts

@@ -1,5 +1,5 @@
-import glob from "glob";
-import path from "path";
+import glob from 'glob';
+import path from 'path';
 
 export default async (app) => {
   const mockConfig = app.config.mock || {};
@@ -23,7 +23,7 @@ export default async (app) => {
       });
     });
 
-    app.use(async (ctx, next) => {
+    app.use((ctx, next) => {
       const { method, path } = ctx;
       // 拼接mock的key
       const key = `${method} ${mockConfig.prefix}${path}`;

lib/core/hooks/proxy.ts

@@ -0,0 +1,23 @@
+import axios, { AxiosRequestConfig, AxiosResponse } from 'axios';
+
+export default async (app) => {
+  // 数据代理请求方法
+  const proxy = async (config: AxiosRequestConfig) => {
+    const { data, headers, status } = (await axios(config)) as AxiosResponse;
+
+    // 返回 RESTful 规范
+    return {
+      code: status,
+      status: status === 200 ? 'success' : 'fail',
+      headers,
+      data,
+    };
+  };
+
+  app.use((ctx, next) => {
+    // 将proxy挂载在ctx上
+    ctx.proxy = proxy;
+
+    return next();
+  });
+}

lib/core/index.ts

@@ -2,7 +2,7 @@ import Koa from 'koa';
 import path from 'path';
 import { getHooks, deepMerge } from './utils'
 import { Hook, App, DiudiuProcess } from './types';
-const hooks = ['formData', 'log', 'redis', 'mysql', 'elasticsearch', 'static', 'view', 'bodyparser', 'login', 'custom-middlewares', 'cors', 'router', 'lift', 'mock'];
+const hooks = ['formData', 'log', 'proxy', 'mock', 'redis', 'mysql', 'elasticsearch', 'static', 'view', 'bodyparser', 'login', 'custom-middlewares', 'cors', 'router', 'lift'];
 
 type Params = {
   appPath: string;