输出方法调用堆栈

        Throwable ex = new Throwable();
        StackTraceElement[] stackElements = ex.getStackTrace();
        if (stackElements != null) {
            for (int i = 0; i < stackElements.length; i++) {
                System.out.println("类    名：" + stackElements[i].getClassName());
                System.out.println("文 件 名：" + stackElements[i].getFileName());
                System.out.println("文件行号：" + stackElements[i].getLineNumber());
                System.out.println("方 法 名：" + stackElements[i].getMethodName());
                System.out.println("-----------------------------------");
            }
        }