JAVA中如何将⼀个json形式的字符串转为json对象或对象列表 
import java.util.*;
SimpleDateFormat;
import org.json.JSONObject;
import org.json.JSONArray;
import org.json.JSONException;
json转换对象
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.("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 = List();
for(Object obj :list){
//            System.out.String());
Map<String,Object> map = (HashMap<String,Object>)obj;
Set<String> sets = map.keySet();
for(String key:sets){
System.out.println(key+": "+(key));
}
System.out.println();
}
}
  输出：
    OTTCD015
    uniqueCode: OTTCD015
    terminalBrandCode: 10
    equipmentBrand: 夏普
    uniqueCode: OTTCD016
    terminalBrandCode: 30
    equipmentBrand: 惠普

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