package com.base;

public class SysException extends Exception
{
    private String _strMessage;
    private Throwable _rootCause;
    public SysException()
    {
       _strMessage ="系統(tǒng)異常";
       _rootCause = null;
    }
    public SysException( String msg)
    {
       _strMessage = msg;
       _rootCause = null;
    }
    public SysException( Throwable cause)
    {
       _strMessage ="系統(tǒng)異常";
       _rootCause = cause;
    }
    public SysException( String msg,Throwable cause)
    {
       _strMessage =msg;
       _rootCause = cause;
    }
    public String getMessage()
    {
       String strMessage = "";
       if( _strMessage!=null)
           strMessage = _strMessage;
       if( _rootCause!=null)
           strMessage +="<br> throw Exception caused by："+_rootCause.getMessage();
       return strMessage;
    }
}