/** * JSON自动转换字符串 * Created by zkn on 2016/8/22. */ public class JsonToMapTest01 { public static void main(String[] args){ String str = "{"0":"zhangsan","1":"lisi","2":"wangwu","3":"maliu"}"; //第一种方式 Map maps = (Map)JSON.parse(str); System.out.println("这个是用JSON类来解析JSON字符串!!!!"); for (Object map : maps.entrySet()){ System.out.println(((Map.Entry)map).getKey() " " ((Map.Entry)map).getValue()); } //第二种方式 Map mapTypes = JSON.parseObject(str); System.out.println("这个是用JSON类的parseObject来解析JSON字符串!!!!"); for (Object obj : mapTypes.keySet()){ System.out.println("key为:" obj "值为:" mapTypes.get(obj)); } //第三种方式 Map mapType = JSON.parseObject(str,Map.class); System.out.println("这个是用JSON指定分析类型进行分析JSON字符串!!!!"); for (Object obj : mapType.keySet()){ System.out.println("key为:" obj "值为:" mapType.get(obj)); } //第四种方式 /** * JSONObject是Map接口实现类 */ Map json = (Map) JSONObject.parse(str); System.out.println("这个是用JSONObject类的parse方法来解析JSON字符串!!!!"); for (Object map : json.entrySet()){ System.out.println(((Map.Entry)map).getKey() " " ((Map.Entry)map).getValue()); } //第五种方式 /** * JSONObject是Map接口实现类 */ JSONObject jsonObject = JSONObject.parseObject(str); System.out.println("这个是用JSONObject的parseObject方法来解析JSON字符串!!!!"); for (Object map : json.entrySet()){ System.out.println(((Map.Entry)map).getKey() " " ((Map.Entry)map).getValue()); } //第六种方式 /** * JSONObject是Map接口实现类 */ Map mapObj = JSONObject.parseObject(str,Map.class); System.out.println("这个是用JSONObject的parseObject方法和实施返回类型分析JSON字符串!!!!"); for (Object map: json.entrySet()){ System.out.println(((Map.Entry)map).getKey() " " ((Map.Entry)map).getValue()); } String strArr = "{
{"0":"zhangsan","1":"lisi","2":"wangwu","3":"maliu"}," "{"00":"zhangsan","11":"lisi","22":"wangwu","33":"maliu"}}"; // JSONArray.parse() System.out.println(json); }
转载自:https://www.cnblogs.com/jpfss/p/8625526.html