spring mvc ajax json数据类型交互 小例子

ajax

$.ajax({
			url : 'index.htm',
			type : 'post',
			dataType : 'json',
			contentType : 'application/json;sharset=utf-8',
			data : JSON.stringify({"title":"这是标题","content":"这是内容"),
			success : function(data) {
				alert(data.ret);
			}
		});

controller

@RequestMapping(value="/index.htm",method=RequestMethod.POST)
	@ResponseBody
	public String showView2(@RequestBody Map<String,String> m){
		for (String i : m.keySet()) {
			System.out.println(i+"___"+m.get(i));
		}
		return "{\"ret\":\"success\"}";
	}

ps.  \"  转义符

参考http://blog.youkuaiyun.com/jiuhanfengganlin/article/details/7533666/