/**
 * Demo class
 *
 * @author yyd
 * @date 2017/11/15
 */
public class ParseLocalJsonUtil {
/**
     * 從asset路徑下讀取對應檔案轉String輸出
* <p>
     * <p>
     * url = "file:///android_assets/center/helper.json";
     *
     * @param mContext
* @return
*/
public static String getJson(Context mContext, String 
 
fileName) {
// TODO Auto-generated method stub
StringBuilder sb = new StringBuilder();
AssetManager am = mContext.getAssets();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
am.open(fileName)));
String next = "";
while (null != (next = br.readLine())) {
sb.append(next);
            }
 
        } catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
sb.delete(0, sb.length());
        }
return sb.toString().trim();
    }
public static <T> T getJsonObject(Context mContext, String fileName, Class<T> clazz) {
AssetManager am = mContext.getAssets();
try 
 
{
return JSON.parseObject(am.open(fileName), clazz);
        } catch (IOException e) {
e.printStackTrace();
        }
return null;
    }
public static  <T> List<T> getJsonList(Context mContext, String fileName, Class<T> clazz) {
StringBuilder sb = new StringBuilder();
AssetManager am = mContext.getAssets();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
am.open(fileName)));
String next = "";
while (null != (next = br.readLine())) {
sb.append(next);
            }
return  JSON.parseArray(sb.toString(), clazz);
        } catch (IOException e) {
e.printStackTrace();
        }
return null;
    }
}

使用方法：

2、把做好的json資料入到assets/目錄下。

3、呼叫 ParseLocalJsonUtil.getJsonList(mContext, "data/data.json", CompetitionRankingBean.class);

ParseLocalJsonUtil.getJsonObject(mContext, "data/data.json", CompetitionRankingBean.class);

實現自己想要的結果