使用thymeleaf模板引擎，引入frame框架和公用css和js文件

src/main/java/com/fjy/spring/controller/NavController.java

@@ -0,0 +1,17 @@
+package com.fjy.spring.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class NavController {
+    @GetMapping(value = {"index",""})
+    public String toLoginPage(){
+        return "login";
+    }
+
+    @GetMapping(value = {"testthymeleaf"})
+    public String toTestPage(){
+        return "/dist/thymeleafTest";
+    }
+}