1.需要準備gson包

2.程式碼如下

import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;

import java.util.ArrayList;
import java.util.List;

/**
 * Json解析工具類
 * Created by zhangshixin on 2015/11/26.
 * Blog : http://blog.csdn.net/u011240877
 *
 * @description
 
 Codes there always can be better.
 */
public class GsonUtils {

    private static Gson mGson = new Gson();

    public static <T> T json2Bean(String json, Class<T> clazz) {
        try {
            return mGson.fromJson(json, clazz);
        } catch (Exception e) {
            LogUtils.e(e.toString());
            return
 
 null;
        }

    }

    /**
     *
     * @param json
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T>List<T> toList(String json,Class<T> clazz) {
        ArrayList<T> mList = new ArrayList<T>();
        JsonArray array = new JsonParser().parse(json).getAsJsonArray();
        for
 
(final JsonElement elem : array){
            mList.add(mGson.fromJson(elem, clazz));
        }
        return mList;
    }

    /**
     * fromJson
     * @param json json
     * @param c c
     * @param <T> <T>
     * @return T
     */
    public static <T> T fromJson(String json, Class<T> c){
        return mGson.fromJson(json, c);
    }

    /**
     * toJson
     * @param src src
     * @return String
     */
    public static String toJson(Object src) {
        return mGson.toJson(src);
    }
}