开发工具：ECLIPSE + TOMCAT + MYSQL + NAVICAT 使用技术：JAVA, SPRING, MYBA

package blog.controller; import java.io.File; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.UUID; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; import com.github.pagehelper.PageInfo; import blog.entity.Article; import blog.entity.Category; import blog.entity.Comment; import blog.entity.Tag; import blog.entity.User; import blog.service.ArticleService; import blog.service.CategoryService; import blog.service.CommentService; import blog.service.TagService; import cn.hutool.http.HtmlUtil; @Controller @RequestMapping("/article") public class ArticleController { @Resource(name = "articleServiceImpl") ArticleService articleService; @Resource(name = "categoryServiceImpl") CategoryService categoryService; @Resource(name = "tagServiceImpl") private TagService tagService; @Resource(name = "commentServiceImpl") private CommentService commentService; @RequestMapping("/{pageIndex}") // 设置分页的大小和第几页参数 public String index(@RequestParam(required = false, defaultValue = "9") Integer pageSize, // 显示所有文章 @PathVariable("pageIndex") Integer pageIndex, ModelMap map, String articleTitle, String categoryId, String tagId, String articleStatus) { // 分页 PageInfo<Article> articePageInfo = articleService.getPageArticleList(pageSize, pageIndex, articleTitle, categoryId, tagId, articleStatus); // 查询所有分类 List<Category> categoryList = categoryService.getCategoryList(); // 查询所有文章然后跳转到全部文章界面 // PageInfo<Article> // articePageInfo=articleService.getPageArticleList(pageSize,pageIndex); // 转向用的url map.put("pageUrlPrefix", "article/"); // 分页用的pageinfo map.put("pageInfo", articePageInfo); // 标签的id map.put("tagId", tagId); // 多条件查询的分类因为是下拉菜单所有手动put回去 map.put("categoryId", categoryId); // 分类列表 map.put("categoryList", categoryList); // 文章的状态 map.put("articleStatus", articleStatus); return "Article/article-list"; } @RequestMapping("/go") // 添加文章的转向 public String goAdd(ModelMap map) { // 标签数据和分类数据 List<Tag> tagList = tagService.getTagList(); List<Category> parentCategoryList = categoryService.getParentCategoryList(); map.put("tagList", tagList); map.put("parentCategoryList", parentCategoryList); return "Article/article-add"; } @ResponseBody @RequestMapping("/category") // 返回json格式 public List<Category> categoryAjax(Integer parentCategoryId) { List<Category> categoryList = categoryService.getCategoryListByPid(parentCategoryId); return categoryList; } @RequestMapping("/add") // 真正的添加文章 public String add(HttpServletRequest request, Article article) { // 文章的标题，内容，文章状态都会自动带过来 // 当前用户的id User user = (User) request.getSession().getAttribute("session_user"); if (user != null) article.setArticleUserId(user.getUserId()); // 文章发布时间,修改时间 article.setArticleCreateTime(new Date()); article.setArticleUpdateTime(new Date()); // 浏览 回复 喜欢 数 article.setArticleCommentCount(0); article.setArticleLikeCount(0); article.setArticleViewCount(0); article.setArticleIsComment(0); // 默认的排序 article.setArticleOrder(1); // 文章的摘要 取前150个字符 String s = HtmlUtil.cleanHtmlTag(article.getArticleContent());// 过滤掉html标签hutu工具包的方法 article.setArticleSummary(s.length() > 150 ? s.substring(0, 150) : s);// 取前150个字符 // 标签id String[] tagIds = request.getParameterValues("articleTagIds"); // 把所有标签id包装成标签放到文章信息里 List<Tag> tagList = new ArrayList<>(); for (String id : tagIds) { tagList.add(new Tag(Integer.valueOf(id))); } article.setTagList(tagList); // 分类父级id Integer parentCateId = Integer.valueOf(request.getParameter("articleParentCategoryId")); // 子级id Integer childCateId = Integer.valueOf(request.getParameter("articleChildCategoryId")); // 把所属分类放到一个集合里面再放到文章信息里 List<Category> categoryList = new ArrayList<>(2); categoryList.add(new Category(parentCateId)); categoryList.add(new Category(childCateId)); article.setCategoryList(categoryList); articleService.addArticle(article); return "redirect:/article/1"; } @RequestMapping("/delete/{id}") // 删除文章根据id public void delArticle(@PathVariable("id") Integer id) { articleService.delArticleById(id); } @RequestMapping("/edit/{id}") // 修改文章的转向 public String goUpdate(ModelMap map, @PathVariable("id") Integer id) { // 根据文章id查文章 Article article = articleService.getArticleById(id); // 标签数据 List<Tag> tagList = tagService.getTagList(); // 分类数据父级分类，用Ajax获得子类 List<Category> parentCategoryList = categoryService.getParentCategoryList(); // 关联表的标签id和分类id List<Integer> tagIdList = articleService.getTagIdsList(id); List<Integer> categoryIdList = articleService.getCategoryIdByArticleId(id); // 如果是草稿的话可能没有分类和标签，所有get不到 if (categoryIdList.size() != 0) { map.put("categoryPid", categoryIdList.get(0));// 这个父分类id map.put("categoryId", categoryIdList.get(1));// 这个子分类id } map.put("tagIdList", tagIdList);// 这个文章的标签 map.put("article", article); map.put("tagList", tagList); map.put("parentCategoryList", parentCategoryList); return "Article/article-edit"; } @RequestMapping("/update") // 真正的修改文章 public String update(HttpServletRequest request, Article article) { // 文章的标题，内容，文章状态都会自动带过来 // 当前用户的id User user = (User) request.getSession().getAttribute("session_user"); if (user != null) article.setArticleTitle(request.getParameter("articleTitle")); article.setArticleContent(request.getParameter("articleContent")); article.setArticleStatus(Integer.parseInt(request.getParameter("articleStatus"))); article.setArticleUserId(user.getUserId()); // 文章修改时间 article.setArticleUpdateTime(new Date()); // 标签id String[] tagIds = request.getParameterValues("articleTagIds"); // 把所有标签id包装成标签放到文章信息里 List<Tag> tagList = new ArrayList<>(); for (String id : tagIds) { tagList.add(new Tag(Integer.valueOf(id))); } article.setTagList(tagList); // 分类父级id Integer parentCateId = Integer.valueOf(request.getParameter("articleParentCategoryId")); // 子级id Integer childCateId = Integer.valueOf(request.getParameter("articleChildCategoryId")); // 把所属分类放到一个集合里面再放到文章信息里 List<Category> categoryList = new ArrayList<>(2); categoryList.add(new Category(parentCateId)); categoryList.add(new Category(childCateId)); article.setCategoryList(categoryList); articleService.updateArticle(article); return "redirect:/article/1"; } @RequestMapping("/uploadImg") // 富文本编译器的上传图片 public String uploadImg(MultipartHttpServletRequest request) throws Exception { // imgFile 这个名称是固定的 MultipartFile file = request.getFile("imgFile"); // 生成一个随机的文件名 String newName = UUID.randomUUID().toString() + ".jpg"; File destFile = new File("D:/imguploads/" + newName); String path = "http://localhost:8080/uploads/" + newName; file.transferTo(destFile); return "{\"error\":0,\"url\":\"" + path + "\"}"; } @RequestMapping("/draft") // 显示所有草稿 public String draft(ModelMap map) { // 分页 PageInfo<Article> articePageInfo = articleService.getPageArticleList(9, 1, " ", "", " ", "0"); // 查询所有分类 List<Category> categoryList = categoryService.