java 打印 bean属性名 及 值

public String toString(){
		String s = "\r\n//==========formBean=================\r\n";
		try {
			Class class1 = this.getClass();
			Field afield[] = class1.getDeclaredFields();
			for (int i = 0; i < afield.length; i++)
				s = s + afield[i].getName() + ":" + afield[i].get(this)
						+ "\r\n";
		} catch (Exception exception) {
			exception.printStackTrace(System.out);
		}
		s = s + "============formBean============\r\n";
		return s;
	}