堆栈异常转string存储

    /**
     * 堆栈异常转string
     *
     * @param e
     * @return
     */
    public static String getStackTrace(Exception e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        pw.close();
        try {
            sw.close();
        } catch (IOException e1) {
            //ignore
        }
        return sw.toString();
    }