java json_JAVA_编程开发_程序员俱乐部

class="java">import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;


public class TestJson {

	public static void main(String[] args){
		
		String jsonString = "";
		ArrayList<String> list = new ArrayList<String>();
		list.add("aa");
		list.add("bb");
		list.add("cc");
		
		Date date = new Date();
		Map<String, Object> map = new HashMap<String, Object>();
		map.put("name", "chenx");
		map.put("age", 12);
		map.put("isGirl", false);
		map.put("class", list);
		map.put("time", date);
		
		// jsonString 生成
		jsonString =JSON.toJSONStringWithDateFormat(map,"yyyy-MM-dd HH:mm:ss.SSS");
//		jsonString = JSON.toJSONString(map);
		System.out.println(jsonString);
		
		System.out.println(date);
		
		// jsonString 解析
		JSONObject jsonObject = JSON.parseObject(jsonString);
		System.out.println("class[1] = " + jsonObject.getJSONArray("class").get(1));
		System.out.println("time = " + jsonObject.getDate("time"));
		System.out.println("time = " + jsonObject.getString("time"));
		
	}
}

{"age":12,"class":["aa","bb","cc"],"isGirl":false,"name":"chenx","time":"2013-11-13 13:44:53.414"}
Wed Nov 13 13:44:53 CST 2013
class[1] = bb
time = Wed Nov 13 13:44:53 CST 2013
time = 2013-11-13 13:44:53.414