新建Hello world也404

src/main/java/com/xkrs/controller/HelloWorldController.java

@@ -0,0 +1,21 @@
+package com.xkrs.controller;
+
+import com.xkrs.encapsulation.PromptMessageEnum;
+import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Locale;
+
+import static com.xkrs.encapsulation.OutputEncapsulation.outputEncapsulationObject;
+
+@RestController
+public class HelloWorldController {
+
+    @GetMapping("/hello")
+    public String hello() {
+        Locale locale = LocaleContextHolder.getLocale();
+        return outputEncapsulationObject(PromptMessageEnum.SUCCESS, "hello", locale);
+    }
+
+}