【Android】Assets工具類

//讀取Assets目錄下讀取指定文件

public class FileUtils {

    /**
     * 在Assets目錄下讀取指定文件，併產生List集合
     * @param context
     * @param clazz：Bean類，必須包含set、get方法
     * @param fileName
     * @return
     */
    public static <T> List<T> readDataFromAssets(Context context,
            Class<T> clazz, String fileName){
        InputStream is = null;
        BufferedReader br = null;
        List<T> data = new ArrayList<T>();
        try {
            is = context.getAssets().open(fileName);
            br = new BufferedReader(new InputStreamReader(is, "gbk"));
            String temp = null;
            while ((temp = br.readLine()) != null) {
                T t = clazz.newInstance();
                Method[] methods = clazz.getDeclaredMethods();
                for(int i = 0; i<methods.length; i++){
                    Method method = methods[i];
//                    if("setId".equals(method.getName())){
//                        method.invoke(t, i);
//                    }
                    if("setGiftName".equals(method.getName())){
                        method.invoke(t, temp);
                    }
                    if ("setPicName".equals(method.getName())) {
                        method.invoke(t, R.drawable.gift_lipin);
                    }
                    //==============================================
                    if("setParams".equals(method.getName())){
                        method.invoke(t, temp);
                    }
                    //==============================================
                }
                data.add(t);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            close(is, br);
        }
//        Log.d("lu", data.toString());
        return data;
    }

    public static void close(InputStream is, BufferedReader br) {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (br != null) {
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}