java打印異常中的堆棧信息

轉載自 http://www.douban.com/note/80806417/

 import java.io.PrintWriter;
    import java.io.StringWriter;
    public static String getStackTrace(Throwable t)
    {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw, true);
        t.printStackTrace(pw);
        pw.flush();
        sw.flush();
        return sw.toString();
    }