feat: 支持静态文件目录

src/runtime/utils/addRoutes.js

@@ -0,0 +1,8 @@
+import { existsSync } from 'fs';
+
+export default (app) => {
+  if (process.env.DACE_PATH_ROUTES && existsSync(process.env.DACE_PATH_ROUTES)) {
+    const router = require(process.env.DACE_PATH_ROUTES);
+    app.use(router);
+  }
+};

src/runtime/utils/addStatic.js

@@ -1,8 +1,18 @@
+import { existsSync } from 'fs';
 import express from 'express';
 
 export default (app) => {
+  const {
+    DACE_PATH_STATIC,
+    DACE_PUBLIC_PATH,
+    DACE_PATH_CLIENT_DIST
+  } = process.env;
   // 当 publicPath = '/' 需要将编译目录挂载为虚拟目录（本地开发模式）
-  if (process.env.DACE_PUBLIC_PATH === '/') {
-    app.use(express.static(process.env.DACE_PATH_CLIENT_DIST));
+  if (DACE_PUBLIC_PATH === '/') {
+    app.use(express.static(DACE_PATH_CLIENT_DIST));
+  }
+
+  if (DACE_PATH_STATIC !== '' && existsSync(DACE_PATH_STATIC)) {
+    app.use(express.static(DACE_PATH_STATIC));
   }
 };