基于Spring+Spring MVC+Mybatis开发的社区论坛系统的代码详情-代码-最代码

首页>代码>基于Spring+Spring MVC+Mybatis开发的社区论坛系统>/Genesis-master/src/main/java/com/withstars/controller/TopicController.java
001package com.withstars.controller;
002 
003import com.withstars.domain.Reply;
004import com.withstars.domain.Tab;
005import com.withstars.domain.Topic;
006import com.withstars.domain.User;
007import com.withstars.service.impl.ReplyServiceImpl;
008import com.withstars.service.impl.TabServiceImpl;
009import com.withstars.service.impl.TopicServiceImpl;
010import com.withstars.service.impl.UserServiceImpl;
011import org.springframework.beans.factory.annotation.Autowired;
012import org.springframework.stereotype.Controller;
013import org.springframework.web.bind.annotation.PathVariable;
014import org.springframework.web.bind.annotation.RequestMapping;
015import org.springframework.web.bind.annotation.RequestMethod;
016import org.springframework.web.servlet.ModelAndView;
017import org.springframework.web.servlet.mvc.support.RedirectAttributes;
018 
019import javax.servlet.http.HttpServletRequest;
020import javax.servlet.http.HttpSession;
021import java.util.Date;
022import java.util.List;
023 
024 
025import org.apache.commons.logging.Log;
026import org.apache.commons.logging.LogFactory;
027 
028/**
029 * 主题相关控制类
030 */
031@Controller
032public class TopicController {
033 
034    @Autowired
035    public TopicServiceImpl topicService;
036    @Autowired
037    public ReplyServiceImpl replyService;
038    @Autowired
039    public UserServiceImpl userService;
040    @Autowired
041    public TabServiceImpl tabService;
042 
043    //log4j对象
044    private final Log log = LogFactory.getLog(getClass());
045 
046    /**
047     * 渲染首页
048     * @param session
049     * @return
050     */
051    @RequestMapping("/")
052    public ModelAndView toMain(HttpSession session){
053        ModelAndView indexPage=new ModelAndView("cate");
054        //全部主题
055        List<Topic> topics=topicService.listTopicsAndUsers();
056 
057        //获取统计信息
058        int topicsNum=topicService.getTopicsNum();
059        int usersNum=userService.getUserCount();
060        //获取用户信息
061        Integer uid=(Integer) session.getAttribute("userId");
062        User user=userService.getUserById(uid);
063        //最热主题
064        List<Topic> hotestTopics=topicService.listMostCommentsTopics();
065 
066        indexPage.addObject("topics",topics);
067        indexPage.addObject("hotestTopics",hotestTopics);
068        indexPage.addObject("topicsNum",topicsNum);
069        indexPage.addObject("usersNum",usersNum);
070        indexPage.addObject("user",user);
071        return  indexPage;
072    }
073 
074    /**
075     * 渲染主题详细页面
076     * @param id
077     * @param session
078     * @return
079     */
080    @RequestMapping("/t/{id}")
081    public ModelAndView toTopic(@PathVariable("id")Integer id,HttpSession session){
082        //点击量加一
083        boolean ifSucc=topicService.clickAddOne(id);
084        //获取主题信息
085        Topic topic=topicService.selectById(id);
086        //获取主题全部评论
087        List<Reply> replies=replyService.getRepliesOfTopic(id);
088        //获取评论数
089        int repliesNum=replyService.repliesNum(id);
090        //获取统计信息
091        int topicsNum=topicService.getTopicsNum();
092        int usersNum=userService.getUserCount();
093        //获取用户信息
094        Integer uid=(Integer) session.getAttribute("userId");
095        User user=userService.getUserById(uid);
096        //最热主题
097        List<Topic> hotestTopics=topicService.listMostCommentsTopics();
098 
099        //渲染视图
100        ModelAndView topicPage=new ModelAndView("detail");
101        topicPage.addObject("topic",topic);
102        topicPage.addObject("replies",replies);
103        topicPage.addObject("repliesNum",repliesNum);
104        topicPage.addObject("topicsNum",topicsNum);
105        topicPage.addObject("usersNum",usersNum);
106        topicPage.addObject("user",user);
107        topicPage.addObject("hotestTopics",hotestTopics);
108        return topicPage;
109    }
110 
111    /**
112     * 渲染指定板块页面
113     */
114    @RequestMapping("/tab/{tabNameEn}")
115    public ModelAndView toTabPage(@PathVariable("tabNameEn")String tabNameEn,HttpSession session){
116        Tab tab=tabService.getByTabNameEn(tabNameEn);
117        Integer tabId=tab.getId();
118 
119        ModelAndView indexPage=new ModelAndView("cate");
120        //全部主题
121        List<Topic> topics=topicService.listTopicsAndUsersOfTab(tabId);
122 
123        //获取统计信息
124        int topicsNum=topicService.getTopicsNum();
125        int usersNum=userService.getUserCount();
126 
127        //获取用户信息
128        Integer uid=(Integer) session.getAttribute("userId");
129        User user=userService.getUserById(uid);
130        //最热主题
131        List<Topic> hotestTopics=topicService.listMostCommentsTopics();
132 
133        indexPage.addObject("topics",topics);
134        indexPage.addObject("topicsNum",topicsNum);
135        indexPage.addObject("usersNum",usersNum);
136        indexPage.addObject("tab",tab);
137        indexPage.addObject("user",user);
138        indexPage.addObject("hotestTopics",hotestTopics);
139        return  indexPage;
140    }
141 
142    /**
143     * 发表主题
144     * @param request
145     * @param session
146     * @return
147     */
148    @RequestMapping(value = "/topic/add", method = RequestMethod.POST)
149    public ModelAndView addTopic(HttpServletRequest request,HttpSession session){
150        ModelAndView indexPage;
151        //未登陆
152        if(session.getAttribute("userId")==null){
153            indexPage=new ModelAndView("redirect:/signin");
154            return  indexPage;
155        }
156        //处理参数
157        Integer userId=(Integer) session.getAttribute("userId");
158        String title=request.getParameter("title");
159        String content=request.getParameter("content");
160        Byte tabId=Byte.parseByte(request.getParameter("tab"));
161        //新建Topic
162        Topic topic=new Topic();
163        topic.setUserId(userId);
164        topic.setTitle(title);
165        topic.setContent(content);
166        topic.setTabId(tabId);
167        topic.setCreateTime(new Date());
168        topic.setUpdateTime(new Date());
169        //添加topic
170        boolean ifSucc=topicService.addTopic(topic);
171        boolean ifSuccAddCredit=userService.addCredit(1,userId);
172        if (ifSucc){
173            if (log.isInfoEnabled()){
174                log.info("添加主题成功!");
175            }
176        }
177        indexPage=new ModelAndView("redirect:/");
178 
179        return  indexPage;
180    }
181 
182}