IT男也疯狂

package 自定义包名;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;/** * 日期操作工具类. * * */public class DateUtil { private static final String FORMAT = "yyyy-

package 自定义包名;import android.util.Log;public class SLog { private static final boolean isTest = true; //测试开关 private static final String TAG = "MyAPP"; public static void i(String tag , St

/** * 判断文件是否存在 * */private boolean CheckFileExists(String FileName){            File file = new File(FileName);    if (file.exists()){        return true;         }    //如果要创建 file.cre

import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.IOException;public class PacketBuffer { private ByteArrayOutputStream mOut; private ByteArrayInputStream m