90c68ed02187001b1c269419a4f5ecec

jsf开发的简单博客

package com.tangjun.data.impl;

import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.tangjun.data.IBlogDao;
import com.tangjun.model.exception.MyException;
import com.tangjun.web.bo.Blog;

public class BlogDaoImpl extends HibernateDaoSupport implements IBlogDao {

	// 添加信息
	public boolean addBlog(Blog blog)throws MyException{
		// TODO 自动生成方法存根
		this.getHibernateTemplate().save(blog);
		return true;
	}

	// 删除信息
	public boolean delBlog(Integer uid)throws MyException{
		// TODO 自动生成方法存根
		Blog blog = (Blog) this.getHibernateTemplate().load(Blog.class, uid);
		this.getHibernateTemplate().delete(blog);
		return true;
	}

	// 获得所有的信息
	public List getAllBlog()throws MyException{
		// TODO 自动生成方法存根
		String hql = "from Blog b";
		List blog = this.getHibernateTemplate().find(hql);
		System.out.println("有"+blog.size()+"条记录!");
		return blog;
	}

	public Blog getBlog(Integer uid)throws MyException{
		// TODO 自动生成方法存根
		String hql = "from Blog b where id=?";
		List blogs = this.getHibernateTemplate().find(hql, uid);
		if (blogs.size() == 1)
			return (Blog) blogs.get(0);
		return null;
	}

	public boolean updateBlog(Blog blog)throws MyException{
		// TODO 自动生成方法存根
		this.getHibernateTemplate().update(blog);
		return true;
	}

}