import android.content.Context;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory; import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader; public class LocalFileUtils { /**
* 获取Asset下文本内容
* @param context
* @param str
* @return
*/
public final static String getStringFormAsset(Context context, String str) {
BufferedReader in = null;
try {
in = new BufferedReader(new InputStreamReader(context.getAssets().open(str)));
String line;
StringBuilder buffer = new StringBuilder();
while ((line = in.readLine()) != null) {
buffer.append(line).append('\n');
}
return buffer.toString();
} catch (IOException e) {
e.printStackTrace();
return "";
} finally {
if (in != null) {
try {
in.close();
in = null;
} catch (IOException e) {
e.printStackTrace();
}
}
}
} /**
* @description 从Assets中读取图片
*
* @param context
* @param fileName
* @return 图片
* @date 2015-6-11 15:00:55
*/
public static Bitmap getImageFromAssetsFile(Context context, String fileName) {
Bitmap image = null;
AssetManager am = context.getAssets();
InputStream is = null;
try {
is = am.open(fileName);
image = BitmapFactory.decodeStream(is);
return image;
} catch (IOException e) {
e.printStackTrace();
return image;
} finally {
if(is != null) {
try {
is.close();
is = null;
} catch (IOException e) {
e.printStackTrace();
}
}
}
} /**
* 获取Raw下文本内容
* @param context
* @param rawId
* @return
*/
public final static String getStringFormRaw(Context context, int rawId) {
ByteArrayOutputStream baos = null;
InputStream in = context.getResources().openRawResource(rawId);
try {
baos = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while ((len = in.read(buffer)) != -1) {
baos.write(buffer, 0, len);
}
baos.close();
return baos.toString();
} catch (Exception e) {
e.printStackTrace();
return "";
} finally {
if (baos != null) {
try {
baos.close();
baos = null;
} catch (IOException e) {
e.printStackTrace();
}
}
}
} }
 long startTime4 = System.currentTimeMillis();
String my_json = LocalFileUtils.getStringFormAsset(this, "testbean1.json");
for (int n = 0; n < 100000; n++) {
// 使用JSON 操作 工具将JSON字符串封装到实体类
TestBean1 toBean = my_gson.fromJson(my_json, my_type); //JsonTool.toBean(json, TestBean1.class);
System.out.println(toBean);
}
long endTime4 = System.currentTimeMillis() - startTime4;
Log.i(TAG, "gson....." + endTime4);
05-11 13:43