写一个struts2入门的程序，从早上七点多，一直有错。action的代码如下：}package cn.edu.qust.struts.action;import com.opensymphony.xwork2.ActionSupport;public class FirstAction extends ActionSupport{ private int operand1; private int operand2; private int sum = 0; public int getOperand1() { return operand1; } public void setOper.. Read More
