pyexr2f4a/action文件/electricupdate.java

package com.action;

import com.bean.electric_addBean;
import com.dao.electriDao;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.ServletActionContext;

import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.PrintWriter;

public class electricupdate  extends ActionSupport{

        //下面是Action内用于封装用户请求参数的属性
        private int Electric_ID;

        private electric_addBean cnbean;
        public int  getElectric_ID() {
            return Electric_ID;
        }

        public void setElectric_ID(int Electric_ID) {
            this.Electric_ID= Electric_ID;
        }

        public electric_addBean getCnbean() {
            return cnbean;
        }

        public void setCnbean(electric_addBean cnbean) {
            this.cnbean = cnbean;
        }

        //处理用户请求的execute方法
        public String execute() throws Exception {

            //解决乱码，用于页面输出
            HttpServletResponse response=null;
            response= ServletActionContext.getResponse();
            response.setContentType("text/html;charset=UTF-8");
            response.setCharacterEncoding("UTF-8");
            PrintWriter out = response.getWriter();

            //创建session对象
            HttpSession session = ServletActionContext.getRequest().getSession();
            //验证是否正常登录
            if(session.getAttribute("id")==null){
                out.print("<script language='javascript'>alert('请重新登录！');window.location='Login.jsp';</script>");
                out.flush();out.close();return null;
            }

            //查询
            cnbean=new electriDao().GetBean(Electric_ID);
            return SUCCESS;

        }

        //判断是否空值
        private boolean isInvalid(String value) {
            return (value == null || value.length() == 0);
        }

        //测试
        public static void main(String[] args) {
            System.out.println();
        }

    }