重新整理的工程

Chapter3-1-2/src/main/java/com/didispace/web/HelloController.java

@@ -0,0 +1,14 @@
+package com.didispace.web;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+    @RequestMapping("/hello")
+    public String index() {
+        return "Hello World";
+    }
+
+}