JavaWeb项目开发案例精粹-第2章投票系统-004action层

 package com.sanqing.action;

 import java.util.UUID;

 import com.opensymphony.xwork2.ActionSupport;

 import com.sanqing.bean.Vote;

 import com.sanqing.bean.VoteOption;

 import com.sanqing.dao.VoteDAO;

 import com.sanqing.dao.VoteOptionDAO;

 import com.sanqing.daoFactory.VoteDAOFactory;

 import com.sanqing.daoFactory.VoteOptionDAOFactory;

 public class AddVoteAction extends ActionSupport {

     private int channel;        // 封装channel参数

     private String voteName;    // 封装voteName参数

     private String[] voteOption;// 封装voteOption参数

     public int getChannel() {

         return channel;

     }

     public void setChannel(int channel) {

         this.channel = channel;

     }

     public String getVoteName() {

         return voteName;

     }

     public void setVoteName(String voteName) {

         this.voteName = voteName;

     }

     public String[] getVoteOption() {

         return voteOption;

     }

     public void setVoteOption(String[] voteOption) {

         this.voteOption = voteOption;

     }

     public String execute() throws Exception {

         VoteDAO voteDAO = VoteDAOFactory.getVoteDAOInstance();//获得VoteDAO实例

         VoteOptionDAO voteOptionDAO =

             VoteOptionDAOFactory.getVoteOptionDAOInstance();//获得voteOption实例

         //首先保存投票，然后再保存投票选项

         Vote vote = new Vote();

         vote.setChannelID(channel);

         vote.setVoteName(voteName);

         voteDAO.addVote(vote);

         //查询投票ID

         int voteID = voteDAO.findVoteByName(voteName).getVoteID();

         //保存投票选项

         for(String voteOptionName : voteOption) {

             VoteOption vp = new VoteOption();

             vp.setVoteID(voteID);

             vp.setVoteOptionName(voteOptionName);

             voteOptionDAO.addVoteOption(vp);

         }

         return this.SUCCESS;

     }

 }

 package com.sanqing.action;

 import java.util.List;

 import com.opensymphony.xwork2.ActionSupport;

 import com.sanqing.bean.VoteOption;

 import com.sanqing.dao.VoteDAO;

 import com.sanqing.dao.VoteOptionDAO;

 import com.sanqing.daoFactory.VoteDAOFactory;

 import com.sanqing.daoFactory.VoteOptionDAOFactory;

 public class DeleteVoteAction extends ActionSupport{

     private int voteID;

     public int getVoteID() {

         return voteID;

     }

     public void setVoteID(int voteID) {

         this.voteID = voteID;

     }

     public String execute() throws Exception {

         VoteDAO voteDAO = VoteDAOFactory.getVoteDAOInstance();

         VoteOptionDAO voteOptionDAO = VoteOptionDAOFactory

                 .getVoteOptionDAOInstance();

         //通过该投票ID查找该投票下的所有投票选项

         List<VoteOption> voteOptions = voteOptionDAO.findVoteOptionByVoteID(voteID);

         //循环进行删除

         for(VoteOption voteOption : voteOptions) {

             voteOptionDAO.deleteVoteOption(voteOption.getVoteOptionID());

         }

         //再删除该投票

         voteDAO.deleteVote(voteID);

         return this.SUCCESS;

     }

 }

 package com.sanqing.action;

 import javax.servlet.http.Cookie;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionContext;

 import com.opensymphony.xwork2.ActionSupport;

 import com.sanqing.bean.VoteOption;

 import com.sanqing.dao.VoteOptionDAO;

 import com.sanqing.daoFactory.VoteOptionDAOFactory;

 public class DoVoteAction extends ActionSupport{

     private int voteOptionID;

     private String otherOption;

     private int voteID;

     private int channelID;

     public int getChannelID() {

         return channelID;

     }

     public void setChannelID(int channelID) {

         this.channelID = channelID;

     }

     public int getVoteID() {

         return voteID;

     }

     public void setVoteID(int voteID) {

         this.voteID = voteID;

     }

     public int getVoteOptionID() {

         return voteOptionID;

     }

     public void setVoteOptionID(int voteOptionID) {

         this.voteOptionID = voteOptionID;

     }

     public String getOtherOption() {

         return otherOption;

     }

     public void setOtherOption(String otherOption) {

         this.otherOption = otherOption;

     }

     public String execute() throws Exception {

         VoteOptionDAO voteOptionDAO = VoteOptionDAOFactory

         .getVoteOptionDAOInstance();

         //首先判断用户是否能进行投票

         Cookie cookies[]= ServletActionContext.getRequest().getCookies();//取出cookies

         for(Cookie cookie : cookies) {//遍历cookies

             if(cookie.getValue().equals(Integer.toString(voteID))) {//如果用户已经投过票

                 this.addActionError("您今天已经投过票了，请明天再来！");

                 return this.INPUT;

             }

         }

         //判断是否选择其他选项

         if(voteOptionID == 0) {

             //添加该选项

             VoteOption voteOption = new VoteOption();

             voteOption.setVoteID(voteID);

             voteOption.setVoteOptionName(otherOption);

             voteOption.setTicketNum(1);

             voteOptionDAO.addVoteOption(voteOption);

         }else {

             //取出以前的投票选项

             VoteOption voteOption = voteOptionDAO.findVoteOptionById(voteOptionID);

             int ticketNum = voteOption.getTicketNum();

             //更新选项的投票数

             voteOption.setTicketNum(ticketNum + 1);

             voteOptionDAO.updateVoteOption(voteOption);

             //更新完成后，添加cookie，防止重复投票

             Cookie cookie = new Cookie("hasVote" + voteID,Integer.toString(voteID));

             ServletActionContext.getResponse().addCookie(cookie);

         }

         return this.SUCCESS;

     }

 }

 package com.sanqing.action;

 import java.util.ArrayList;

 import java.util.List;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionSupport;

 import com.sanqing.bean.Vote;

 import com.sanqing.bean.VoteOption;

 import com.sanqing.bean.VoteResult;

 import com.sanqing.dao.VoteDAO;

 import com.sanqing.dao.VoteOptionDAO;

 import com.sanqing.daoFactory.VoteDAOFactory;

 import com.sanqing.daoFactory.VoteOptionDAOFactory;

 import com.sanqing.util.Page;

 import com.sanqing.util.PageUtil;

 public class ShowVoteAction extends ActionSupport {

     private int currentPage;

     public int getCurrentPage() {

         return currentPage;

     }

     public void setCurrentPage(int currentPage) {

         this.currentPage = currentPage;

     }

     public String execute() throws Exception {

         VoteDAO voteDAO = VoteDAOFactory.getVoteDAOInstance();

         VoteOptionDAO voteOptionDAO = VoteOptionDAOFactory

                 .getVoteOptionDAOInstance();

         int totalCount = voteDAO.findAllCount();

         Page page = PageUtil.createPage(10, totalCount, currentPage);

         List<Vote> votes = voteDAO.findAllVote(page);

         List<VoteResult> voteResultList = new ArrayList<VoteResult>();

         for (Vote vote : votes) {

             List<VoteOption> voteOptions = voteOptionDAO

                     .findVoteOptionByVoteID(vote.getVoteID());

             VoteResult voteResult = new VoteResult();

             voteResult.setVote(vote);

             voteResult.setVoteOptions(voteOptions);

             voteResultList.add(voteResult);

         }

         HttpServletRequest request = ServletActionContext.getRequest();

         request.setAttribute("voteResultList",voteResultList);

         request.setAttribute("page",page);

         return this.SUCCESS;

     }

 }

 package com.sanqing.action;

 import java.util.ArrayList;

 import java.util.List;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionSupport;

 import com.sanqing.bean.Vote;

 import com.sanqing.bean.VoteOption;

 import com.sanqing.bean.VoteResult;

 import com.sanqing.dao.VoteDAO;

 import com.sanqing.dao.VoteOptionDAO;

 import com.sanqing.daoFactory.VoteDAOFactory;

 import com.sanqing.daoFactory.VoteOptionDAOFactory;

 import com.sanqing.util.Page;

 import com.sanqing.util.PageUtil;

 public class ShowVoteByChannelAction extends ActionSupport {

     private int channelID;

     private int currentPage;

     public int getChannelID() {

         return channelID;

     }

     public void setChannelID(int channelID) {

         this.channelID = channelID;

     }

     public int getCurrentPage() {

         return currentPage;

     }

     public void setCurrentPage(int currentPage) {

         this.currentPage = currentPage;

     }

     public String execute() throws Exception {

         VoteDAO voteDAO = VoteDAOFactory.getVoteDAOInstance();

         VoteOptionDAO voteOptionDAO = VoteOptionDAOFactory

                 .getVoteOptionDAOInstance();

         // 获得该频道下的记录数

         int totalCount = voteDAO.fintCountByChannel(channelID);

         // 设置分页信息

         Page page = PageUtil.createPage(3, totalCount, currentPage);

         //取得该频道下的记录

         List<Vote> votes = voteDAO.findVoteByChannel(page, channelID);

         //存放所有投票和投票选项

         List<VoteResult> voteResultList = new ArrayList<VoteResult>();

         for (Vote vote : votes) {

             //查询该投票下的所有投票选项

             List<VoteOption> voteOptions = voteOptionDAO

                     .findVoteOptionByVoteID(vote.getVoteID());

             VoteResult voteResult = new VoteResult();

             voteResult.setVote(vote);

             voteResult.setVoteOptions(voteOptions);

             voteResultList.add(voteResult);

         }

         HttpServletRequest request = ServletActionContext.getRequest();

         request.setAttribute("voteResultList",voteResultList);

         request.setAttribute("page",page);

         return this.SUCCESS;

     }

 }

 package com.sanqing.action;

 import java.util.List;

 import org.jfree.chart.ChartFactory;

 import org.jfree.chart.JFreeChart;

 import org.jfree.chart.plot.PlotOrientation;

 import org.jfree.data.category.DefaultCategoryDataset;

 import com.opensymphony.xwork2.ActionSupport;

 import com.sanqing.bean.Vote;

 import com.sanqing.bean.VoteOption;

 import com.sanqing.dao.VoteDAO;

 import com.sanqing.dao.VoteOptionDAO;

 import com.sanqing.daoFactory.VoteDAOFactory;

 import com.sanqing.daoFactory.VoteOptionDAOFactory;

 public class VoteResultAction extends ActionSupport {

     private JFreeChart chart;

     private int voteID;//投票ID

     public int getVoteID() {

         return voteID;

     }

     public void setVoteID(int voteID) {

         this.voteID = voteID;

     }

     public JFreeChart getChart() {

         VoteDAO voteDAO = VoteDAOFactory.getVoteDAOInstance();//获得VoteDAO实例

         VoteOptionDAO voteOptionDAO =

             VoteOptionDAOFactory.getVoteOptionDAOInstance();//获得voteOption实例

         //根据投票ID得到的投票

         Vote vote = voteDAO.findVoteById(voteID);

         String voteName = vote.getVoteName();    //得到投票名称

         //根据投票ID得到所有的投票选项

         List<VoteOption> voteOptions = voteOptionDAO.findVoteOptionByVoteID(voteID);

         DefaultCategoryDataset dcd = new DefaultCategoryDataset();//数据源

         //设置数据

         for(VoteOption voteOption : voteOptions) {

             dcd.setValue(voteOption.getTicketNum(),"",voteOption.getVoteOptionName());

         }

         //使用工厂类创建柱状图

         JFreeChart chart = ChartFactory.createBarChart3D(

                 voteName,

                 "投票选项",

                 "投票数",

                 dcd,

                 PlotOrientation.VERTICAL ,

                 false,

                 true,

                 false);

         return chart;

     }

     public void setChart(JFreeChart chart) {

         this.chart = chart;

     }

     public String execute() throws Exception {

         return SUCCESS;

     }

 }

JavaWeb项目开发案例精粹-第2章投票系统-004action层的更多相关文章

JavaWeb项目开发案例精粹-第2章投票系统-006view层
1.index.jsp <%@ page language="java" import="java.util.*" pageEncoding=" ...
JavaWeb项目开发案例精粹-第2章投票系统-003Dao层
1. package com.sanqing.dao; import java.util.List; import com.sanqing.bean.Vote; import com.sanqing. ...
JavaWeb项目开发案例精粹-第2章投票系统-001设计
1.项目结构 2.数据库设计 # MySQL-Front 5.0 (Build 1.0) /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE */; /*!40101 SET ...
JavaWeb项目开发案例精粹-第2章投票系统-005实体层
1. package com.sanqing.bean; /** * * 投票选项类 * */ public class VoteOption { private int voteOptionID; ...
JavaWeb项目开发案例精粹-第2章投票系统-002配置文件及公共类
1. <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5&qu ...
JavaWeb项目开发案例精粹-第6章报价管理系统-05Action层
0. <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC &quo ...
JavaWeb项目开发案例精粹-第6章报价管理系统-07View层
1. 2.back_index.html <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT= ...
JavaWeb项目开发案例精粹-第6章报价管理系统-06po层
1. <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www ...
JavaWeb项目开发案例精粹-第6章报价管理系统-04Service层
1. package com.sanqing.service; import com.sanqing.dao.DAO; import com.sanqing.po.Customer; /** * 客户 ...

随机推荐

Optimize str2date function
The job can be any string date format convert to AX date format. so that, Do not need to specify str ...
intellij idea 代码正常，但是编译出现 java:需要";"
1. 查看idea 的maven 插件是不是版本太低,发现应用里是用的jdk是1.7 maven插件是2.2.1 2. 查看应用编码,比如部分文件是GBK,里面有中文,而整个应用的编码是Utf-8
使用另一种方式实现js中Function的调用(call/apply/bind)
在JavaScript中函数的调用可以有多种方式,但更经典的莫过于call和apply.call跟apply都绑定在函数上,他们两个的第一个参数意义相同,传入一个对象,他作为函数的执行环境(实质上是为 ...
PAT IO-03 整数均值
/* *PAT IO-02 整数四则运算 *2015.7.30 *作者:flx413 */ #include<stdio.h> int main() { ], sum; float ave ...
C#二维数组及其本质（转）
C#中二维数组包含两类:二维数组和数据矩阵.(这是我个人分类法,我认为比较能反映本质). 如上图,是二维数组,横向为第一维度,纵向为第二维度,不同维度可以有不同长度. 如果去掉元素7,那么上图也可能是 ...
Query execution was interrupted, max_statement_time exceeded
版本:5.6.16 群里看见一个问题,在备份的时候,报如下错误:[root@B28-19-75 bak]# mysqldump -root -p --single-transaction --mast ...
glog使用
How To Use Google Logging Library Glog 的基本使用方法在google code上有介绍:How To Use Google Logging Library ;最好 ...
【rest】深入理解rest
起因是想搞明白 ajax.rest风格和http请求数据会有什么区别再来回顾一下概念: REST即表述性状态传递满足这些约束条件和原则的应用程序或设计就是RESTful.需要注意的是,REST ...
Unity3D实现立体迷宫寻宝
Unity3D实现立体迷宫寻宝这个小游戏是一个白痴在一个昏暗的房间走动找到关键得分点,然后通关游戏.入门Unity3D做的第一款游戏,比较无聊,但实现了一般的游戏功能.如,人物控制,碰撞检测,主控制 ...
SOLVED: GATT callback fails to register
I finally figured this problem out. The device I am using is a Samsung Galaxy S4 and the actual prob ...

JavaWeb项目开发案例精粹-第2章投票系统-004action层

JavaWeb项目开发案例精粹-第2章投票系统-004action层的更多相关文章

随机推荐

热门专题