public void reader() {
		int con;

		InputStreamReader isr = null;
		try {
			// System.in 从控制台输入内容
			InputStream is = System.in;
			isr = new InputStreamReader(is);

			while ((con = isr.read()) != -1) {
				// 如果输入e，则打断退出循环
				if (101 == con) {
					break;
				}
				content.append((char) con);
			}
			System.out.println(content);
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				isr.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}