合并分支 'dev' 到 'release'

src/main/java/com/tykj/jenkins_test/controller/HelloWorkController.java

+package com.tykj.jenkins_test.controller;
+
+import com.sun.javafx.binding.StringFormatter;
+import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/index")
+public class HelloWorkController {
+
+    @GetMapping("/sayhello")
+    public String saveHello(String name){
+        if (StringUtils.isEmpty(name)){
+            name = "custom";
+        }
+        return StringFormatter.format("hello world , hello %s",name).getValue();
+    }
+}