转自:https://blog.csdn.net/u010412719/article/details/69710480

Spring4之后新加入的注解,原来返回json需要@ResponseBody和@Controller配合。

即@RestController是@ResponseBody和@Controller的组合注解。

 @RestController
public class HelloController {
@RequestMapping(value="/hello",method= RequestMethod.GET)
public String sayHello(){
return "hello";
}
}

与下面的代码作用一样

 @Controller
@ResponseBody
public class HelloController {
@RequestMapping(value="/hello",method= RequestMethod.GET)
public String sayHello(){
return "hello";
}
}
05-07 13:46