JavaWeb项目开发案例精粹-第4章博客网站系统-004Service层

1.

package com.sanqing.service;

import java.util.List;

import com.sanqing.fenye.Page;
import com.sanqing.fenye.Result;
import com.sanqing.po.Article;

public interface ArticleService {
    //进行文章的保存
    public void addArticle(Article article);
    
    //取出用户所有的文章
    public List<Article> showUserAllArticle(String username);
    
    //分页显示用户文章
    public Result showUserArticleByPage(String username,Page page);
    
    //分页显示全部文章
    public Result showArticleByPage(Page page);
    
    //显示文章
    public Article showArticle(int id);
    
    //获得评论数
    public int getCritiqueCount(int AId);
}

2.

package com.sanqing.service;

import java.util.List;

import com.sanqing.dao.ArticleDAO;
import com.sanqing.dao.CritiqueDAO;
import com.sanqing.fenye.Page;
import com.sanqing.fenye.PageUtil;
import com.sanqing.fenye.Result;
import com.sanqing.po.Article;

public class ArticleServiceImpl implements ArticleService {
    private ArticleDAO articleDAO;
    private CritiqueDAO critiqueDAO;
    
    
    public CritiqueDAO getCritiqueDAO() {
        return critiqueDAO;
    }


    public void setCritiqueDAO(CritiqueDAO critiqueDAO) {
        this.critiqueDAO = critiqueDAO;
    }


    public ArticleDAO getArticleDAO() {
        return articleDAO;
    }


    public void setArticleDAO(ArticleDAO articleDAO) {
        this.articleDAO = articleDAO;
    }


    public void addArticle(Article article) {
        articleDAO.add(article);
    }


    public List<Article> showUserAllArticle(String username) {
        System.out.println(articleDAO.queryUserAllCount(username));
        return articleDAO.queryUserAll(username);
    }


    public Result showUserArticleByPage(String username, Page page) {
        page = PageUtil.createPage(page,articleDAO.queryUserAllCount(username));
        List<Article> all = articleDAO.queryByPage(username, page);
        Result result = new Result();
        result.setPage(page);
        result.setList(all);
        return result;
    }


    public Result showArticleByPage(Page page) {
        page = PageUtil.createPage(page,articleDAO.queryAllCount());
        List<Article> all = articleDAO.queryAllByPage(page);
        Result result = new Result();
        result.setPage(page);
        result.setList(all);
        return result;
    }


    public Article showArticle(int id) {
        return articleDAO.queryById(id);
    }


    public int getCritiqueCount(int AId) {
        return critiqueDAO.queryCritiqueCount(AId);
    }

}

3.

package com.sanqing.service;

import com.sanqing.po.BlogInfo;

public interface BlogInfoService {
    //设置博客个性化内容
    public void setBlogInfo(BlogInfo blogInfo);
    
    //获得博客个性化内容
    public BlogInfo getBlogInfo(String name);
}

4.

package com.sanqing.service;

import com.sanqing.dao.BlogInfoDAO;
import com.sanqing.po.BlogInfo;

public class BlogInfoServiceImpl implements BlogInfoService {
    private BlogInfoDAO blogInfoDAO;
    
    public BlogInfo getBlogInfo(String username) {
        return blogInfoDAO.get(username);
    }

    public BlogInfoDAO getBlogInfoDAO() {
        return blogInfoDAO;
    }

    public void setBlogInfoDAO(BlogInfoDAO blogInfoDAO) {
        this.blogInfoDAO = blogInfoDAO;
    }

    public void setBlogInfo(BlogInfo blogInfo) {
        //通过调用DAO组件来完成
        blogInfoDAO.save(blogInfo);
    }

}

5.

package com.sanqing.service;

import com.sanqing.fenye.Page;
import com.sanqing.fenye.Result;
import com.sanqing.po.Critique;

public interface CritiqueService {
    //添加评论
    public void addCritique(Critique critique);
    
    //分页显示评论
    public Result showCritiqueByPage(int AId,Page page);
    
    //获得指定文章的评论数
    public int getCritiqueCount(int AId);
}

6.

package com.sanqing.service;

import java.util.List;

import com.sanqing.dao.CritiqueDAO;
import com.sanqing.fenye.Page;
import com.sanqing.fenye.PageUtil;
import com.sanqing.fenye.Result;
import com.sanqing.po.Article;
import com.sanqing.po.Critique;

public class CritiqueServiceImpl implements CritiqueService {
    private CritiqueDAO critiqueDAO;

    public CritiqueDAO getCritiqueDAO() {
        return critiqueDAO;
    }

    public void setCritiqueDAO(CritiqueDAO critiqueDAO) {
        this.critiqueDAO = critiqueDAO;
    }

    public void addCritique(Critique critique) {
        critiqueDAO.addCritique(critique);
    }

    public Result showCritiqueByPage(int AId, Page page) {
        page = PageUtil.createPage(page,critiqueDAO.queryCritiqueCount(AId));
        List<Critique> all = critiqueDAO.queryByPage(AId, page);
        Result result = new Result();
        result.setPage(page);
        result.setList(all);
        return result;
    }

    public int getCritiqueCount(int AId) {
        return critiqueDAO.queryCritiqueCount(AId);
    }
}

7.

package com.sanqing.service;

import java.util.Date;

public interface DianjiliangService {
    //ÅжÏÊÇ·ñµã»÷¹ý
    public boolean isVistor(int AId,String IP,Date time);
}

8.

package com.sanqing.service;

import java.util.Date;

import com.sanqing.dao.DianjiliangDAO;
import com.sanqing.po.Dianjiliang;

public class DianjiliangServiceImpl  implements DianjiliangService{
    private DianjiliangDAO dianjiliangDAO;

    public DianjiliangDAO getDianjiliangDAO() {
        return dianjiliangDAO;
    }

    public void setDianjiliangDAO(DianjiliangDAO dianjiliangDAO) {
        this.dianjiliangDAO = dianjiliangDAO;
    }

    public boolean isVistor(int AId, String IP, Date time) {
        if(dianjiliangDAO.queryByAId(AId, IP, time).size() != 0) {
            System.out.println("该IP今天点击过了");
            //表示用户已经点击过了。
            return true;
        } else {
            System.out.println("该IP今天没有点击过");
            //表示用户没有点击过
            Dianjiliang djl = new Dianjiliang();
            djl.setAId(AId);
            djl.setIp(IP);
            djl.setTime(time);
            //保存记录
            dianjiliangDAO.addJilu(djl);
            return false;
        }
    }
    
    
}

9.

package com.sanqing.service;

import com.sanqing.po.User;

public interface UserService {
    //用户注册
    public boolean registerUser(User user);
    
    //用户登陆
    public boolean loginUser(User user);
}

10.

package com.sanqing.service;

import com.sanqing.dao.UserDAO;
import com.sanqing.po.User;

public class UserServiceImpl implements UserService {
    private UserDAO userDAO;
    
    public boolean registerUser(User user) {
        //判断用户是否存在
        if(userDAO.queryByID(user.getUsername()) != null) {
            return false;
        }else {
            userDAO.add(user);
            return true;
        }
    }

    public UserDAO getUserDAO() {
        return userDAO;
    }

    public void setUserDAO(UserDAO userDAO) {
        this.userDAO = userDAO;
    }

    public boolean loginUser(User user) {
        //判断用户是否存在
        if(userDAO.queryByID(user.getUsername()) == null) {
            return false;
        } else {
            User queryUser = userDAO.queryByID(user.getUsername());
            if(queryUser.getPassword().equals(user.getPassword())) {
                return true;
            } else {
                return false;
            }
        }
    }
    
    

}

11.