public void runReferParam(ReferParamObject obj) {
		try {
			for (int i = 0; i < 20; i++) {
				// 多线程会累加这个值
				obj.setId(obj.getId() + 1);
				if (i == 10) {
					Thread.sleep(5000);
				}
				System.err.println("[" + Thread.currentThread().getId() + "]当i=" + i + "获取id 的值:" + obj.getId());
			}
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}