spring mvc : @ModelAttribute

spring-mvc/springmvc/src/main/java/com/example/springmvc/basic/HelloData.java

@@ -0,0 +1,10 @@
+package com.example.springmvc.basic;
+
+import lombok.Data;
+
+@Data
+public class HelloData {
+
+    private String username;
+    private int age;
+}

spring-mvc/springmvc/src/main/java/com/example/springmvc/basic/request/RequestParamController.java

@@ -1,7 +1,9 @@
 package com.example.springmvc.basic.request;
 
+import com.example.springmvc.basic.HelloData;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
@@ -75,4 +77,18 @@ public class RequestParamController {
         log.info("username={}, age={}", paramMap.get("username"), paramMap.get("age"));
         return "ok";
     }
+
+    @ResponseBody
+    @RequestMapping("/model-attribute-v1")
+    public String modelAttributeV1(@ModelAttribute HelloData helloData) {
+        log.info("helloData={}", helloData);
+        return "ok";
+    }
+
+    @ResponseBody
+    @RequestMapping("/model-attribute-v2")
+    public String modelAttributeV2(HelloData helloData) {
+        log.info("helloData={}", helloData);
+        return "ok";
+    }
 }