package?com.yang.serialport.exception;

import?java.io.IOException;
import?java.io.PrintWriter;
import?java.io.StringWriter;

/**
?*?負責將傳入的Exception中的錯誤信息提取出來并轉換成字符串；
?*?
?*?@author?yangle
?*/
public?class?ExceptionWriter?{

	/**
	?*?將Exception中的錯誤信息封裝到字符串中并返回該字符串
	?*?
	?*?@param?e
	?*????????????包含錯誤的Exception
	?*?@return?錯誤信息字符串
	?*/
	public?static?String?getErrorInfoFromException（Exception?e）?{

		StringWriter?sw?=?null;
		PrintWriter?pw?=?null;

		try?{
			sw?=?new?StringWriter（）;
			pw?=?new?PrintWriter（sw）;
			e.printStackTrace（pw）;
			return?“\r\n“?+?sw.toString（）?+?“\r\n“;

		}?catch?（Exception?e2）?{
			return?“出錯啦！未獲取到錯誤信息，請檢查后重試!“;
		}?finally?{
			try?{
				if?（pw?!=?null）?{
					pw.close（）;
				}
				if?（sw?!=?null）?{
					sw.close（）;
				}
			}?catch?（IOException?e1）?{
				e1.printStackTrace（）;
			}
		}
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\
?????文件?????????413??2016-08-23?17:53??SerialPortDemo\.classpath
?????文件?????????357??2016-08-23?17:19??SerialPortDemo\.fatjar
?????文件?????????390??2016-08-23?15:21??SerialPortDemo\.project
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\.settings\
?????文件??????????88??2016-08-23?15:21??SerialPortDemo\.settings\org.eclipse.core.resources.prefs
?????文件?????????629??2016-08-23?15:21??SerialPortDemo\.settings\org.eclipse.jdt.core.prefs
?????文件??????144116??2016-08-24?10:37??SerialPortDemo\SerialPortDemo.jar
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\com\
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\com\yang\
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\com\yang\serialport\
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\com\yang\serialport\exception\
?????文件????????1592??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\ExceptionWriter.class
?????文件?????????563??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\NoSuchPort.class
?????文件?????????563??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\NotASerialPort.class
?????文件?????????530??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\PortInUse.class
?????文件?????????575??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\ReadDataFromSerialPortFailure.class
?????文件?????????566??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\SendDataToSerialPortFailure.class
?????文件?????????610??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\SerialPortInputStreamCloseFailure.class
?????文件?????????617??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\SerialPortOutputStreamCloseFailure.class
?????文件?????????590??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\SerialPortParameterFailure.class
?????文件?????????554??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\exception\TooManyListeners.class
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\com\yang\serialport\manage\
?????文件????????4790??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\manage\SerialPortManager.class
?????目錄???????????0??2017-09-28?11:01??SerialPortDemo\bin\com\yang\serialport\ui\
?????文件????????1235??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\ui\Mainframe$1.class
?????文件?????????826??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\ui\Mainframe$2.class
?????文件?????????579??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\ui\Mainframe$3.class
?????文件????????2138??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\ui\Mainframe$SerialListener.class
?????文件????????8011??2016-08-24?10:34??SerialPortDemo\bin\com\yang\serialport\ui\Mainframe.class
............此處省略29個文件信息