dev-允许跨域请求

route.js

@@ -13,6 +13,16 @@ app.use(bodyParser.urlencoded({     // to support URL-encoded bodies
   extended: true
 }));
 
+// 允许跨域请求
+app.all('*', function (req, res, next) {
+  res.header('Access-Control-Allow-Origin', '*');
+  //Access-Control-Allow-Headers ,可根据浏览器的F12查看,把对应的粘贴在这里就行
+  res.header('Access-Control-Allow-Headers', 'Content-Type');
+  res.header('Access-Control-Allow-Methods', '*');
+  res.header('Content-Type', 'application/json;charset=utf-8');
+  next();
+});
+
 // todo add route
 
 // test api