Method main

ch2/RequestParamTest.java:13–21

(HttpServletRequest request)

@Controller
public class RequestParamTest {
	@RequestMapping("/requestParam")
	public String main(HttpServletRequest request) {
		String year = request.getParameter("year");
//		http://localhost/ch2/requestParam         ---->> year=null
//		http://localhost/ch2/requestParam?year=   ---->> year=""
//		http://localhost/ch2/requestParam?year    ---->> year=""
		System.out.printf("[%s]year=[%s]%n", new Date(), year);
		return "yoil";
	}

	@RequestMapping("/requestParam2")
//	public String main2(@RequestParam(name="year", required=false) String year) {   // 아래와 동일