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Java实战个人博客系统的实现流程

程序员文章站 2022-06-24 18:00:51
springboot+mybatis+前端vue,使用前后端分离架构实现的个人博客系统,共7个模块,首页,写博客,博客详情页,评论管理,文章分类,标签管理和文章归档。运行环境: jdk8+tomcat...

springboot+mybatis+前端vue,使用前后端分离架构实现的个人博客系统,共7个模块,首页,写博客,博客详情页,评论管理,文章分类,标签管理和文章归档。

运行环境: jdk8+tomcat8.5+mysql5.7+intellij idea+maven

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

Java实战个人博客系统的实现流程

Java实战个人博客系统的实现流程

Java实战个人博客系统的实现流程

Java实战个人博客系统的实现流程

Java实战个人博客系统的实现流程

Java实战个人博客系统的实现流程

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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