JSON字符串与Map、List的互相转换

import java.util.List;
import java.util.Map;
 
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
 
public class JsonUtil {
 
	public static void main(String[] args) throws Exception {
	String s = "{\"msg\": \"success\", \"data\": [{\"xm\": \"张三\", \"birthdate\": \"1990-01-18 11:10:41\"},{\"xm\": \"李四\", \"birthdate\": \"1991-01-18 11:10:41\"}]}";
        
        //json字符串转Map
	Map jsonToMap = JSONObject.parseObject(s);
        System.out.println("jsonToMap："+jsonToMap);
        
        //Map转json字符串
        String mapToJson = JSON.toJSONString(jsonToMap);
        System.out.println("mapToJson："+mapToJson);
        
        //json字符串转List
        List