feat: add

src/app.ts

@@ -0,0 +1,31 @@
+import * as express from "express"
+import * as bodyParser from "body-parser"
+
+class App {
+    public app: express.Application
+    constructor() {
+        this.app = express()
+        this.config()
+    }
+    private config(): void {
+        // 支持json编码的主体
+        this.app.use(bodyParser.json())
+        // 支持编码的主体
+        this.app.use(bodyParser.urlencoded({
+            extended: true,
+        }))
+        // 设置静态访问目录(Swagger)
+        this.app.use(express.static('public'))
+        // 设置跨域访问
+        this.app.all('*', (req, res, next) => {
+            res.header('Access-Control-Allow-Origin', '*')
+            res.header('Access-Control-Allow-Headers', 'content-type')
+            res.header('Access-Control-Allow-Methods', 'PUT,POST,GET,DELETE,OPTIONS')
+            res.header('X-Powered-By', ' 3.2.1')
+            res.header('Content-Type', 'application/json;charset=utf-8')
+            next()
+        })
+    }
+}
+
+export default new App().app