import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport {

    private int name;

    private int password;

    private int n;

    public int getName() {

        return name;

    }

    public void setName(int name) {

        this.name = name;

    }

    public int getPassword() {

        return password;

    }

    public void setPassword(int

            password) {

        this.password = password;

    }

    public int getN() {

        return n;

    }

    public void setN(int n) {

        this.n = n;

    }

    public String login() {

        n=name+password;

            return "success";

    }

}

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

    <head>

        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

        <title>登录界面</title>

    </head>

    <body>

        <form action="login" method="post">

            加法运算：<input type="text" name="name" />

            +<input type="text" name="password" />

            <input type="submit" value="结果" />

        </form>

    </body>

</html>

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<%-- <%@ taglib prefix="s" uri="/struts-tags" %> --%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

    <head>

        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

        <title>登录成功</title>

    </head>

    <body>

        结果： ${n}

    </body>

</html>