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如何使用Java实现个人博客系统


如何使用Java实现个人博客系统

发布时间:2022-01-02 17:47:26 来源:高防服务器网 阅读:63 作者:小新 栏目:开发技术

这篇文章将为大家详细讲解有关如何使用Java实现个人博客系统,小编觉得挺实用的,因此分享给大家做个参考,希望大家阅读完这篇文章后可以有所收获。

运行环境: jdk8+tomcat8.5+mysql5.7+IntelliJ IDEA+maven

项目技术: springboot+mybatis+redis+vue+element ui

博客管理控制层:

    /**   * @author yy   */  @Controller  public class MyblogController {      //    public static String theme = "default";      public static String theme = "amaze";      @Resource      private BlogService blogService;      @Resource      private TagService tagService;      @Resource      private CommentService commentService;      @Resource      private ConfigService configService;      @Resource      private CategoryService categoryService;         /**       * 首页       *       * @param request http请求       * @return java.lang.String       */      @GetMapping({"/", "/index", "index.html"})      public String index(HttpServletRequest request) {          return this.page(request, 1);      }         /**       * 首页(带页码)       *       * @param request http请求       * @param pageNum 页码       * @return java.lang.String       */      @GetMapping({"/page/{pageNum}"})      public String page(HttpServletRequest request, @PathVariable("pageNum") int pageNum) {          PageResult blogPageResult = blogService.getBlogsForIndexPage(pageNum);          if (blogPageResult == null) {              return "error/error_404";          }          request.setAttribute("blogPageResult", blogPageResult);          request.setAttribute("newBlogs", blogService.getBlogListForIndexPage(1));          request.setAttribute("hotBlogs", blogService.getBlogListForIndexPage(0));          request.setAttribute("hotTags", tagService.getBlogTagCountForIndex());          request.setAttribute("pageName", "首页");          request.setAttribute("configurations", configService.getAllConfigs());          return "blog/" + theme + "/index";      }         /**       * Categories页面(包括分类数据和标签数据)       *       * @param request http请求       * @return java.lang.String       */      @GetMapping({"/categories"})      public String categories(HttpServletRequest request) {          request.setAttribute("hotTags", tagService.getBlogTagCountForIndex());          request.setAttribute("categories", categoryService.getAllCategories());          request.setAttribute("pageName", "分类页面");          request.setAttribute("configurations", configService.getAllConfigs());          return "blog/" + theme + "/category";      }         /**       * 详情页       *       * @param request     http请求       * @param blogId      博客id       * @param commentPage 评论页       * @return java.lang.String       */      @GetMapping({"/blog/{blogId}", "/article/{blogId}"})      public String detail(HttpServletRequest request, @PathVariable("blogId") Long blogId, @RequestParam(value = "commentPage", required = false, defaultValue = "1") Integer commentPage) {          BlogDetailVO blogDetailVO = blogService.getBlogDetail(blogId);          if (blogDetailVO != null) {              request.setAttribute("blogDetailVO", blogDetailVO);              request.setAttribute("commentPageResult", commentService.getCommentPageByBlogIdAndPageNum(blogId, commentPage));          }          request.setAttribute("pageName", "详情");          request.setAttribute("configurations", configService.getAllConfigs());          return "blog/" + theme + "/detail";      }         /**       * 标签列表页       *       * @param request http请求       * @param tagName 标签名称       * @return java.lang.String       */      @GetMapping({"/tag/{tagName}"})      public String tag(HttpServletRequest request, @PathVariable("tagName") String tagName) {          return tag(request, tagName, 1);      }         /**       * 标签列表页(带页码)       *       * @param request http请求       * @param tagName 标签名称       * @param page    页码       * @return java.lang.String       */      @GetMapping({"/tag/{tagName}/{page}"})      public String tag(HttpServletRequest request, @PathVariable("tagName") String tagName, @PathVariable("page") Integer page) {          PageResult blogPageResult = blogService.getBlogsPageByTag(tagName, page);          request.setAttribute("blogPageResult", blogPageResult);          request.setAttribute("pageName", "标签");          request.setAttribute("pageUrl", "tag");          request.setAttribute("keyword", tagName);          request.setAttribute("newBlogs", blogService.getBlogListForIndexPage(1));          request.setAttribute("hotBlogs", blogService.getBlogListForIndexPage(0));          request.setAttribute("hotTags", tagService.getBlogTagCountForIndex());          request.setAttribute("configurations", configService.getAllConfigs());          return "blog/" + theme + "/list";      }         /**       * 分类列表页       *       * @param request      http请求       * @param categoryName 类别名称       * @return java.lang.String       */      @GetMapping({"/category/{categoryName}"})      public String category(HttpServletRequest request, @PathVariable("categoryName") String categoryName) {          return category(request, categoryName, 1);      }         /**       * 分类列表页(带页码)       *       * @param request      http请求       * @param categoryName 类别名称       * @param page         页码       * @return java.lang.String       */      @GetMapping({"/category/{categoryName}/{page}"})      public String category(HttpServletRequest request, @PathVariable("categoryName") String categoryName, @PathVariable("page") Integer page) {          PageResult blogPageResult = blogService.getBlogsPageByCategory(categoryName, page);          request.setAttribute("blogPageResult", blogPageResult);          request.setAttribute("pageName", "分类");          request.setAttribute("pageUrl", "category");          request.setAttribute("keyword", categoryName);          request.setAttribute("newBlogs", blogService.getBlogListForIndexPage(1));          request.setAttribute("hotBlogs", blogService.getBlogListForIndexPage(0));          request.setAttribute("hotTags", tagService.getBlogTagCountForIndex());          request.setAttribute("configurations", configService.getAllConfigs());          return "blog/" + theme + "/list";      }         /**       * 搜索列表页       *       * @param request http请求       * @param keyword 关键词       * @return java.lang.String       */      @GetMapping({"/search/{keyword}"})      public String search(HttpServletRequest request, @PathVariable("keyword") String keyword) {          return search(request, keyword, 1);      }         /**       * 搜索列表页(带页码)       *       * @param request http请求       * @param keyword 关键词       * @param page    页码       * @return java.lang.String       */      @GetMapping({"/search/{keyword}/{page}"})      public String search(HttpServletRequest request, @PathVariable("keyword") String keyword, @PathVariable("page") Integer page) {          PageResult blogPageResult = blogService.getBlogsPageBySearch(keyword, page);          request.setAttribute("blogPageResult", blogPageResult);          request.setAttribute("pageName", "搜索");          request.setAttribute("pageUrl", "search");          request.setAttribute("keyword", keyword);          request.setAttribute("newBlogs", blogService.getBlogListForIndexPage(1));          request.setAttribute("hotBlogs", blogService.getBlogListForIndexPage(0));          request.setAttribute("hotTags", tagService.getBlogTagCountForIndex());          request.setAttribute("configurations", configService.getAllConfigs());          return "blog/" + theme + "/list";      }            /**       * 评论留言       *       * @param request     http请求       * @param session     session       * @param blogId      博客id       * @param verifyCode  验证码       * @param commentator 评论者昵称       * @param email       邮箱       * @param websiteUrl  留言者的网站       * @param commentBody 评论内容       * @return com.hbu.myblog.util.Result       */      @PostMapping(value = "/blog/comment")      @ResponseBody      public Result comment(HttpServletRequest request, HttpSession session,                            @RequestParam Long blogId, @RequestParam String verifyCode,                            @RequestParam String commentator, @RequestParam String email,                            @RequestParam String websiteUrl, @RequestParam String commentBody) {          if (StringUtils.isEmpty(verifyCode)) {              return ResultGenerator.genFailResult("验证码不能为空");          }          String kaptchaCode = session.getAttribute("verifyCode") + "";          if (StringUtils.isEmpty(kaptchaCode)) {              return ResultGenerator.genFailResult("非法请求");          }          if (!verifyCode.equals(kaptchaCode)) {              return ResultGenerator.genFailResult("验证码错误");          }          String ref = request.getHeader("Referer");          if (StringUtils.isEmpty(ref)) {              return ResultGenerator.genFailResult("非法请求");          }          if (null == blogId || blogId < 0) {              return ResultGenerator.genFailResult("非法请求");          }          if (StringUtils.isEmpty(commentator)) {              return ResultGenerator.genFailResult("请输入称呼");          }          if (StringUtils.isEmpty(email)) {              return ResultGenerator.genFailResult("请输入邮箱地址");          }          if (!PatternUtil.isEmail(email)) {              return ResultGenerator.genFailResult("请输入正确的邮箱地址");          }          if (StringUtils.isEmpty(commentBody)) {              return ResultGenerator.genFailResult("请输入评论内容");          }          if (commentBody.trim().length() > 200) {              return ResultGenerator.genFailResult("评论内容过长");          }          BlogComment comment = new BlogComment();          comment.setBlogId(blogId);          comment.setCommentator(MyBlogUtils.cleanString(commentator));          comment.setEmail(email);          if (PatternUtil.isURL(websiteUrl)) {              comment.setWebsiteUrl(websiteUrl);          }          comment.setCommentBody(MyBlogUtils.cleanString(commentBody));          return ResultGenerator.genSuccessResult(commentService.addComment(comment));      }  }

管理员控制层:

 /**   * @author yy   */  @Controller  @RequestMapping("/admin")  public class CategoryController {         @Resource      private CategoryService categoryService;         /**       * @param request       * @return java.lang.String       */      @GetMapping("/categories")      public String categoryPage(HttpServletRequest request) {          request.setAttribute("path", "categories");          return "admin/category";      }         /**       * @param params       * @return com.hbu.myblog.util.Result       */      @RequestMapping(value = "/categories/list", method = RequestMethod.GET)      @ResponseBody      public Result list(@RequestParam Map<String, Object> params) {          if (StringUtils.isEmpty(params.get("page")) || StringUtils.isEmpty(params.get("limit"))) {              return ResultGenerator.genFailResult("参数异常!");          }          PageQueryUtil pageUtil = new PageQueryUtil(params);          return ResultGenerator.genSuccessResult(categoryService.getBlogCategoryPage(pageUtil));      }         /**       * @param categoryName       * @param categoryIcon       * @return com.hbu.myblog.util.Result       */      @RequestMapping(value = "/categories/save", method = RequestMethod.POST)      @ResponseBody      public Result save(@RequestParam("categoryName") String categoryName,                         @RequestParam("categoryIcon") String categoryIcon) {          if (StringUtils.isEmpty(categoryName)) {              return ResultGenerator.genFailResult("请输入分类名称!");          }          if (StringUtils.isEmpty(categoryIcon)) {              return ResultGenerator.genFailResult("请选择分类图标!");          }          if (categoryService.saveCategory(categoryName, categoryIcon)) {              return ResultGenerator.genSuccessResult();          } else {              return ResultGenerator.genFailResult("分类名称重复");          }      }            /**       * @param categoryId       * @param categoryName       * @param categoryIcon       * @return com.hbu.myblog.util.Result       */      @RequestMapping(value = "/categories/update", method = RequestMethod.POST)      @ResponseBody      public Result update(@RequestParam("categoryId") Integer categoryId,                           @RequestParam("categoryName") String categoryName,                           @RequestParam("categoryIcon") String categoryIcon) {          if (StringUtils.isEmpty(categoryName)) {              return ResultGenerator.genFailResult("请输入分类名称!");          }          if (StringUtils.isEmpty(categoryIcon)) {              return ResultGenerator.genFailResult("请选择分类图标!");          }          if (categoryService.updateCategory(categoryId, categoryName, categoryIcon)) {              return ResultGenerator.genSuccessResult();          } else {              return ResultGenerator.genFailResult("分类名称重复");          }      }            /**       * @param ids       * @return com.hbu.myblog.util.Result       */      @RequestMapping(value = "/categories/delete", method = RequestMethod.POST)      @ResponseBody      public Result delete(@RequestBody Integer[] ids) {          if (ids.length < 1) {              return ResultGenerator.genFailResult("参数异常!");          }          if (categoryService.deleteBatch(ids)) {              return ResultGenerator.genSuccessResult();          } else {              return ResultGenerator.genFailResult("删除失败");          }      }     }

处理管理员界面请求:

 /**   * 处理管理员界面请求   *   * @author yy   */  @Controller  @RequestMapping("/admin")  public class AdminController {         @Resource      private AdminUserService adminUserService;      @Resource      private BlogService blogService;      @Resource      private CategoryService categoryService;      @Resource      private TagService tagService;      @Resource      private CommentService commentService;            /**       * 处理登录请求       *       * @return java.lang.String       */      @GetMapping({"/login"})      public String login() {          return "admin/login";      }         /**       * 主页       *       * @param request http请求       * @return java.lang.String       */      @GetMapping({"", "/", "/index", "/index.html"})      public String index(HttpServletRequest request) {          request.setAttribute("path", "index");          request.setAttribute("categoryCount", categoryService.getTotalCategories());          request.setAttribute("blogCount", blogService.getTotalBlogs());          request.setAttribute("tagCount", tagService.getTotalTags());          request.setAttribute("commentCount", commentService.getTotalComments());          return "admin/index";      }         /**       * 登录界面       *       * @param userName   用户名       * @param password   密码       * @param verifyCode 验证码       * @param session    session       * @return java.lang.String       */      @PostMapping(value = "/login")      public String login(@RequestParam("userName") String userName,                          @RequestParam("password") String password,                          @RequestParam("verifyCode") String verifyCode,                          HttpSession session) {          if (StringUtils.isEmpty(verifyCode)) {              session.setAttribute("errorMsg", "验证码不能为空");              return "admin/login";          }          if (StringUtils.isEmpty(userName) || StringUtils.isEmpty(password)) {              session.setAttribute("errorMsg", "用户名或密码不能为空");              return "admin/login";          }          String kaptchaCode = session.getAttribute("verifyCode") + "";          if (StringUtils.isEmpty(kaptchaCode) || !verifyCode.equals(kaptchaCode)) {              session.setAttribute("errorMsg", "验证码错误");              return "admin/login";          }          AdminUser adminUser = adminUserService.login(userName, password);          if (adminUser != null) {              session.setAttribute("loginUser", adminUser.getNickName());              session.setAttribute("loginUserId", adminUser.getAdminUserId());              //session过期时间设置为7200秒 即两小时              //session.setMaxInactiveInterval(60 * 60 * 2);              return "redirect:/admin/index";          } else {              session.setAttribute("errorMsg", "登陆失败");              return "admin/login";          }      }         /**       * 修改个人信息       *       * @param request http请求       * @return java.lang.String       */      @GetMapping("/profile")      public String profile(HttpServletRequest request) {          Integer loginUserId = (int) request.getSession().getAttribute("loginUserId");          AdminUser adminUser = adminUserService.getUserDetailById(loginUserId);          if (adminUser == null) {              return "admin/login";          }          request.setAttribute("path", "profile");          request.setAttribute("loginUserName", adminUser.getLoginUserName());          request.setAttribute("nickName", adminUser.getNickName());          return "admin/profile";      }         /**       * 修改密码       *       * @param request          http请求       * @param originalPassword 原始密码       * @param newPassword      新密码       * @return java.lang.String       */      @PostMapping("/profile/password")      @ResponseBody      public String passwordUpdate(HttpServletRequest request, @RequestParam("originalPassword") String originalPassword,                                   @RequestParam("newPassword") String newPassword) {          if (StringUtils.isEmpty(originalPassword) || StringUtils.isEmpty(newPassword)) {              return "参数不能为空";          }          Integer loginUserId = (int) request.getSession().getAttribute("loginUserId");          if (adminUserService.updatePassword(loginUserId, originalPassword, newPassword)) {              //修改成功后清空session中的数据,前端控制跳转至登录页              request.getSession().removeAttribute("loginUserId");              request.getSession().removeAttribute("loginUser");              request.getSession().removeAttribute("errorMsg");              return "success";          } else {              return "修改失败";          }      }         /**       * 修改登录名,昵称       *       * @param request       http请求       * @param loginUserName 登录名       * @param nickName      昵称       * @return java.lang.String       */      @PostMapping("/profile/name")      @ResponseBody      public String nameUpdate(HttpServletRequest request, @RequestParam("loginUserName") String loginUserName,                               @RequestParam("nickName") String nickName) {          if (StringUtils.isEmpty(loginUserName) || StringUtils.isEmpty(nickName)) {              return "参数不能为空";          }          Integer loginUserId = (int) request.getSession().getAttribute("loginUserId");          if (adminUserService.updateName(loginUserId, loginUserName, nickName)) {              return "success";          } else {              return "修改失败";          }      }         /**       * 管理员退出       *       * @param request http请求       * @return java.lang.String       */      @GetMapping("/logout")      public String logout(HttpServletRequest request) {          request.getSession().removeAttribute("loginUserId");          request.getSession().removeAttribute("loginUser");          request.getSession().removeAttribute("errorMsg");          return "admin/login";      }  }

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