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);
}
}