日期:2014-05-20 浏览次数:20721 次
/**
* 带日志文件输入的,又可控开关的日志调试
*
* @author Cross
*/
public class LogUtil {
private static Boolean MYLOG_SWITCH = true; // 日志文件总开关
private static Boolean MYLOG_WRITE_TO_FILE = true; // 日志写入文件开关
private static char MYLOG_TYPE = 'v'; // 输入日志类型,w代表只输出告警信息等,v代表输出所有信息
private static String MYLOG_PATH_SDCARD_DIR = Environment
.getExternalStorageDirectory().getPath(); // 日志文件在sdcard中的路径
private static int SDCARD_LOG_FILE_SAVE_DAYS = 0; // sd卡中日志文件的最多保存天数
private static String MYLOGFILEName = "QuhaoLog.txt"; // 本类输出的日志文件名称
public static void w(String tag, Object msg) {
log(tag, msg.toString(), 'w');
}
public static void e(String tag, Object msg) {
log(tag, msg.toString(), 'e');
}
public static void d(String tag, Object msg) {
log(tag, msg.toString(), 'd');
}
public static void i(String tag, Object msg) {
log(tag, msg.toString(), 'i');
}
public static void v(String tag, Object msg) {
log(tag, msg.toString(), 'v');
}
public static void w(String tag, String text) {
log(tag, text, 'w');
}
public static void e(String tag, String text) {
log(tag, text, 'e');
}
public static void d(String tag, String text) {
log(tag, text, 'd');
}
public static void i(String tag, String text) {
log(tag, text, 'i');
}
public static void v(String tag, String text) {
log(tag, text, 'v');
}
/**
* 根据tag, msg和等级,输出日志
*
* @param tag
* @param msg
* @param level
* @return void
* @since v 1.0
*/
private static void log(String tag, String msg, char level) {
if (MYLOG_SWITCH) {
if ('e' == level && ('e' == MYLOG_TYPE
------解决方案--------------------
'v' == MYLOG_TYPE)) { // 输出错误信息
Log.e(tag, msg);
} else if ('w' == level && ('w' == MYLOG_TYPE
------解决方案--------------------
'v' == MYLOG_TYPE)) {
Log.w(tag, msg);
} else if ('d' == level && ('d' == MYLOG_TYPE
------解决方案--------------------
'v' == MYLOG_TYPE)) {
Log.d(tag, msg);
} else if ('i' == level && ('d' == MYLOG_TYPE
------解决方案--------------------
'v' == MYLOG_TYPE)) {
Log.i(tag, msg);
} else {
Log.v(tag, msg);
}
boolean sdCardExist = Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED); // 判断sd卡是否存在
if (MYLOG_WRITE_TO_FILE && sdCardExist) {
writeLogtoFile(String.valueOf(level), tag, msg);
}
}
}
/**
* 打开日志文件并写入日志
*
* @return
* **/
private static void writeLogtoFile(String mylogtype, String tag, String text) {// 新建或打开日志文件
Date nowtime = new Date();
SimpleDateFormat logfile = new SimpleDateFormat("yyyy-MM-dd");// 日志文件格式
String needWriteFiel = logfile.format(nowtime);
SimpleDateFormat myLogSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String needWriteMessage = myLogSdf.format(nowtime) + " " + mylogtype
+ " " + tag + " " + text;
File fileDir = new File(MYLOG_PATH_SDCARD_DIR + "/"+QuhaoConstant.LOGS_SD_URL);
if(!fileDir.exists()){
fileDir.mkdirs();
}
File file = new File(MYLOG_PATH_SDCARD_DIR + "/"+QuhaoConstant.LOGS_SD_URL, needWriteFiel
+ MYLOGFILEName);
try {
if(!file.exists())