一个Gson处理工具类

2019-11-06 07:36:44

字体：大中小

来源：转载

供稿：网友

import java.util.List;import java.util.Map;import com.google.gson.Gson;import com.google.gson.reflect.TypeToken;public class GsonUtil { PRivate static Gson gson = null; static { if (gson == null) { gson = new Gson(); } } private GsonUtil() { } /** * 转成json * * @param object * @return */ public static String GsonString(Object object) { String gsonString = null; if (gson != null) { gsonString = gson.toJson(object); } return gsonString; } /** * 转成bean * * @param gsonString * @param cls * @return */ public static <T> T GsonToBean(String gsonString, Class<T> cls) { T t = null; if (gson != null) { t = gson.fromJson(gsonString, cls); } return t; } /** * 转成list * * @param gsonString * @param cls * @return */ public static <T> List<T> GsonToList(String gsonString, Class<T> cls) { List<T> list = null; if (gson != null) { list = gson.fromJson(gsonString, new TypeToken<List<T>>() { }.getType()); } return list; } /** * 转成list中有map的 * * @param gsonString * @return */ public static <T> List<Map<String, T>> GsonToListMaps(String gsonString) { List<Map<String, T>> list = null; if (gson != null) { list = gson.fromJson(gsonString, new TypeToken<List<Map<String, T>>>() { }.getType()); } return list; } /** * 转成map的 * * @param gsonString * @return */ public static <T> Map<String, T> GsonToMaps(String gsonString) { Map<String, T> map = null; if (gson != null) { map = gson.fromJson(gsonString, new TypeToken<Map<String, T>>() { }.getType()); } return map; }

上一篇：CS231n Assignment1--Q2

下一篇：[C] 编写一个统计空格、制表符与换行符个数的程序1-8