基于Java(SSM)+MySQL实现简单的（Web）文章管理系统【100011828】

package cn.tycoding.controller; import cn.tycoding.pojo.Article; import cn.tycoding.pojo.Reply; import cn.tycoding.pojo.Words; import cn.tycoding.service.ArticleService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import javax.servlet.http.HttpServletRequest; import java.util.HashMap; import java.util.List; import java.util.Map; /** * @author TyCoding * @date 18-4-30上午9:49 */ @Controller @RequestMapping(value = "/article") public class ArticleController { /** * 声明一个变量用于区别我访问的是文章管理页面，还是回收站页面 * 0：访问的是文章管理页面 1：表示访问的是回收站页面 */ private int goId = 0; /** * 注入Service */ @Autowired private ArticleService articleService; /** * 跳转到文章编辑页面 */ @RequestMapping(value = "/toArticleWrite") public String toArticleWrite() { return "view/article/articleWrite"; } /** * 跳转到文章管理页面 */ @RequestMapping(value = "/toArticleManage") public String toArticleManage() { //设置我区别访问页面的状态码 goId = 0; return "redirect:findByPage.do"; } /** * 跳转到回收站页面 */ @RequestMapping(value = "/toArticleTrash") public String toArticleTrash() { //设置这个状态码为1表示我访问的是回收站页面 goId = 1; return "redirect:findByPage.do"; } /** * 保存文章 */ @RequestMapping(value = "/saveArticle") public String saveArticle(Article article, Model model) { try { articleService.saveArticle(article); model.addAttribute("message", "文章添加成功"); return "view/info/message"; } catch (Exception e) { e.printStackTrace(); } return null; } /** * 分页查询 */ @RequestMapping(value = "/findByPage") public String findByPage(@RequestParam(value = "pageCode", defaultValue = "1", required = false) int pageCode, @RequestParam(value = "pageSize", defaultValue = "3", required = false) int pageSize, HttpServletRequest request, Model model) { // 封装分页数据 String verify = request.getParameter("r_verify"); String publish = request.getParameter("r_publish"); String status = request.getParameter("r_status"); int r_verify = 0, r_publish = 0, r_status = 0; if (verify != null) { if (verify.equals("已审核")) { r_verify = 1; } else if (verify.equals("未审核")) { r_verify = 0; } } if (publish != null) { if (publish.equals("已发布")) { r_publish = 1; } else if (verify.equals("未发布")) { r_publish = 0; } } if (status != null) { if (status.equals("存在")) { r_status = 0; } else if (status.equals("已删除")) { r_status = 1; } } Map<String, Object> conMap = new HashMap<String, Object>(); conMap.put("r_verify", r_verify); conMap.put("r_publish", r_publish); conMap.put("r_status", r_status); //把状态码也放入Map集合中 conMap.put("goId", goId); //回显数据 model.addAttribute("page", articleService.findByPage(pageCode, pageSize, conMap)); if (goId == 1) { return "/view/article/articleTrash"; } return "view/article/articleManage"; } /** * 删除功能 */ @RequestMapping(value = "/delete") public String delete(@RequestParam int r_id) { articleService.delete(r_id); return "redirect:findByPage.do"; } /** * 跳转到更新文章信息页面 */ @RequestMapping(value = "/toEditPage") public String editPage(@RequestParam int r_id, Model model) { //先去查询 Article article = articleService.findById(r_id); if (article != null) { model.addAttribute("article", article); return "view/article/articleUpdate"; } else { return null; } } /** * 文章删除（仅放入回收站，即仅仅改变status的值） */ @RequestMapping(value = "/clean") public String clean(@RequestParam int r_id) { articleService.clean(r_id); return "redirect:findByPage.do"; } /** * 恢复文章信息功能（即将文章从回收站中取出，改变status值） */ @RequestMapping(value = "/restore") public String restore(@RequestParam int r_id) { articleService.restore(r_id); return "redirect:findByPage.do"; } /** * 更新文章信息的方法 */ @RequestMapping(value="/update") public String update(Article article,Model model){ if(article != null){ articleService.update(article); return "redirect:toArticleManage.do"; }else{ model.addAttribute("message","文章信息获取失败"); return "view/info/message"; } } /** * 保存留言信息 */ @RequestMapping(value="/saveWords") public String saveWords(Words words){ if(words != null){ String r_id = words.getLw_for_article_id(); articleService.saveWords(words); return "redirect:toArticleView.do?r_id="+r_id; }else{ return null; } } /** * 保存回复信息 */ @RequestMapping(value="/saveReply") public String saveReply(Reply reply){ if(reply != null){ articleService.saveReply(reply); String r_id = reply.getLr_for_article_id(); return "redirect:toArticleView.do?r_id="+r_id; }else{ return null; } } /** * 跳转到查看文章内容页面 */ //声明用于存放留言回复信息的List集合 private List<Words> lw_list; private List<Reply> lr_list; @RequestMapping(value="/toArticleView") public String toArticleView(@RequestParam int r_id, Model model){ //封装留言信息 lw_list = articleService.findByWords(); model.addAttribute("lw_list",lw_list); //封装回复信息 lr_list = articleService.findByReply(); model.addAttribute("lr_list",lr_list); //查询文章信息 Article article = articleService.findById(r_id); System.out.println("查询到当前文章的ID值："+article.getR_id()); if (article != null) { model.addAttribute("article", article); return "view/article/articleView"; } else { return null; } } }