06/17 44일차 Spring REST/ AJAX

	client	server(스프링)
str	data:"seq=1&nm=kim"	@RequestParam("seq") int vseq, @RequestParam("nm") String vnm @ModelAttribute BoardVO bvo
json	var obj={"seq":1,"nm":"kim"} data:JSON.stringify(obj); contentType : "application/json; charset=UTF-8",	@RequestBody BoardVO bvo
	success : function(resStr) {    console.log(resStr);  }	@ResponseBody return "200 ok";	str
	success : function(map) {   console.log(map);  }	ResponseEntity<Map<String,String>> return new ResponseEntity<>(map, HttpStatus.OK);	json