RequestParam 和RequestBody 另：http請求get方式是可以傳輸body報文體的

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;

@RestController
@RequestMapping("hello")
@Slf4j
public class HelloController {

    /**
     *  --: curl http://127.0.0.1:9005/hello/getParam?name=star
     *  --: GET RequestParam: star
     * @param name
     * @return
     */
    @RequestMapping(value = "getParam",method = RequestMethod.GET)
    public String getParam(@RequestParam String name){
        log.info(name);
        return "GET RequestParam: "+name;
    }

    /**
     *  --: curl -XGET http://127.0.0.1:9005/hello/getBody -d 'name=star'
     *  --: GET RequestBody: name=star
     * @param name
     * @return
     */
    @RequestMapping(value = "getBody",method = RequestMethod.GET)
    public String getBody(@RequestBody String name){
        log.info(name);
        return "GET RequestBody: "+name;
    }

    /**
     *  --: curl -d '{"name":"star","id":"100"}' -H 'Content-type:application/json;charset=utf-8' http://127.0.0.1:9005/hello/postBody
     *  --: {"name":"star","id":"100"}
     * @param user
     * @return
     */
    @RequestMapping(value = "postBody",method = RequestMethod.POST)
    public String postBody(@RequestBody String user){
        log.info("POST RequestBody:{}",user);
        return user;
    }

    /**
     *  --: curl -d '{"name":"star","id":"100"}' -H 'Content-type:application/json;charset=utf-8' http://127.0.0.1:9005/hello/postBodyObj
     *  --: {"name":"star","id":"100"}
     * @param user
     * @return
     */
    @RequestMapping(value = "postBodyObj",method = RequestMethod.POST)
    public User postBodyObj(@RequestBody User user){
        log.info("POST RequestBody Object:{}",user);
        return user;
    }
}