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@Controller Annotation tells Spring that Class is Controller. (it contains Endpoints)
Endpoints in @Controller Class by default return a View. (HTML or Thymeleaf)
If you want Endpoint to return actual data you can Annotated Endpoint with @ResponseBody. (as is done in this tutorial)
Application Schema [Results]
Spring Boot Starters
GROUP
DEPENDENCY
DESCRIPTION
Web
Spring Web
Enables @RequestMapping. Includes Tomcat HTTP Server.
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Create Project: controller_returns_text (add Spring Boot Starters from the table)
Create Package: controllers (inside main package)
– Create Class: MyController.java (inside controllers package)
MyController.java
package com.ivoronline.controller_returns_text.controllers;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
public class MyController {
@ResponseBody
@RequestMapping("/Hello")
public String hello() {
return "Hello from Controller";
}
}
hello()
MyController
http://localhost:8080/Hello
Tomcat
Browser
