?? releaseimpl.java
字號:
package com.gd.service.impl;
import com.gd.dao.NewsDAO;
import com.gd.dao.UserDAO;
import com.gd.service.Login;
import com.gd.service.Release;
import com.gd.vo.News;
import com.gd.vo.User;
//實現Release接口,用來注冊時保存,修改,刪除和查詢新聞消息
public class Releaseimpl implements Release {
private NewsDAO newsDao;
//保存新聞
public void saveNews(News news){
//把從數據庫得到的po轉換成vo
com.gd.po.News newpo = new com.gd.po.News();
newpo.setHead(news.getHead());
newpo.setContent(news.getContent());
newpo.setIssueuser(news.getLnkUser().getUsername());
newpo.setIssuedate(news.getDate());
newpo.setNewstype(news.getLnkNewsType().getid());
newsDao.createNews(newpo);
}
//修改新聞
public void updateNews(News news){
//把從數據庫得到的po轉換成vo
com.gd.po.News newpo = new com.gd.po.News();
newpo.setHead(news.getHead());
newpo.setContent(news.getContent());
newpo.setIssueuser(news.getLnkUser().getUsername());
newpo.setIssuedate(news.getDate());
newpo.setNewstype(news.getLnkNewsType().getid());
newsDao.updateNews(newpo);
}
//刪除新聞
public void deleteNews(News news){
//把從數據庫得到的po轉換成vo
com.gd.po.News newpo = new com.gd.po.News();
newpo.setHead(news.getHead());
newpo.setContent(news.getContent());
newpo.setIssueuser(news.getLnkUser().getUsername());
newpo.setIssuedate(news.getDate());
newpo.setNewstype(news.getLnkNewsType().getid());
newsDao.deleteNews(newpo);
}
//根據新聞id獲取新聞
public News queryNews(int id){
//把從數據庫得到的po轉換成vo
News news=new News();
news.setHead(newsDao.queryNews(id).getHead());
news.setContent(newsDao.queryNews(id).getContent());
news.setLnkUser(getLogin().queryUser(newsDao.queryNews(id).getIssueuser()));
news.setDate(newsDao.queryNews(id).getIssuedate());
return news;
}
//用于實現依賴注入,把newsDao注入該類
public void setNewsDao(NewsDAO newsDao){
this.newsDao=newsDao;
}
public NewsDAO getNewsDao(){
return this.newsDao;
}
//用于實現依賴注入,把login注入該類
private Login login;
public Login getLogin(){
return login;
}
public void setLogin (Login login){
this.login=login;
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -