程序编码

java_@Controller

Controller 签名可以标注一个类方法用于渲染某个静态资源

@Controller
public class HomeController {
    @GetMapping("/")
    public String home(Model model) {
        model.addAttribute("message", "Hello, World!");
        return "index"; // This resolves to src/main/resources/templates/index.html
    }


} // MVC内部处理渲染出index.html资源

java_@RestController

这一个签名往往用来处理api请求，常常和各种Mapping合用（eg：@GetMapping(“/api/home”)

@RestController
public class HomeRestController {
    @GetMapping("/api/home")
    public Map<String, String> home() {
        Map<String, String> response = new HashMap<>();
        response.put("message", "Hello, World!");
        return response; // This returns {"message":"Hello, World!"} as JSON
    }
}

命令操作

概念知识