import java.util.*; 
import java.text.SimpleDateFormat; 
 
import org.json.JSONObject; 
import org.json.JSONArray; 
import org.json.JSONException; 
 
 
 
public class test_client { 
 
    public static  void test(){ 
        //把json字符串转为json对象 
        String js ="{\"uniqueCode\":\"OTTCD015\",\"terminalBrandCode\":\"10\",\"equipmentBrand\":\"夏普\"}"; 
        JSONObject jsonObj = new JSONObject(js); 
        System.out.println(jsonObj.get("uniqueCode")); 
 
        //把json字符串列表转为json对象列表 
        String jslist ="[{\"uniqueCode\":\"OTTCD015\",\"terminalBrandCode\":\"10\",\"equipmentBrand\":\"夏普\"}," + 
                "{\"uniqueCode\":\"OTTCD016\",\"terminalBrandCode\":\"30\",\"equipmentBrand\":\"惠普\"}]"; 
        JSONArray objar = new JSONArray(jslist); 
        List<Object>  list = objar.toList(); 
        for(Object obj :list){ 
//            System.out.println(obj.toString()); 
            Map<String,Object> map = (HashMap<String,Object>)obj; 
            Set<String> sets = map.keySet(); 
            for(String key:sets){ 
                System.out.println(key+": "+map.get(key)); 
            } 
            System.out.println(); 
        } 
    }