json字符串轉集合或者數組

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.collections.CollectionUtils;

import net.sf.json.JSONArray;

public class test1 {
	public static void main(String[] args) {
		String jsonstr="[{'day':'2017-2-22','status':'1'},{'day':'2017-2-16','status':'0'},{'day':'2017-2-25','status':'1'}]";
		JSONArray array = JSONArray.fromObject(jsonstr);
		List array2 =(ArrayList)JSONArray.toCollection(array, HashMap.class);
		System.out.println(array2);
	}
}