Java tutorial
/** * Copyright (c)2010-2011 Enterprise Website Content Management System(EWCMS), All rights reserved. * EWCMS PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * http://www.ewcms.com */ /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package com.ewcms.component.rss.dao; import com.ewcms.component.rss.vo.Channel; import com.ewcms.component.rss.vo.Item; import java.sql.ResultSet; import java.sql.SQLException; import java.util.List; import javax.sql.DataSource; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.RowMapper; import org.springframework.stereotype.Repository; /** * * @author wangwei */ @Repository public class RssDAO { private JdbcTemplate jdbcTemplate; @Autowired public void setDataSource(DataSource dataSource) { jdbcTemplate = new JdbcTemplate(); jdbcTemplate.setDataSource(dataSource); } public Channel getChannel(Integer id) { String sql = "Select name , absurl From site_channel Where id=?"; List<Channel> list = jdbcTemplate.query(sql, new Object[] { id }, new RowMapper<Channel>() { @Override public Channel mapRow(ResultSet rs, int rowNum) throws SQLException { Channel channel = new Channel(); channel.setTitle(rs.getString(1)); channel.setUrl(rs.getString(2)); return channel; } }); return list.isEmpty() ? null : list.get(0); } public List<Item> findItemByChannel(Integer id, Integer row) { String sql = "Select t2.title,t2.url,t2.summary,t2.published From content_article_main t1,content_article t2 " + " Where t1.article_id = t2.id And t1.channel_id = ? " + " And t2.published < now() And t2.status='RELEASE' " + " Order By t2.published Desc Limit ? "; return jdbcTemplate.query(sql, new Object[] { id, row }, new RowMapper<Item>() { @Override public Item mapRow(ResultSet rs, int rowNum) throws SQLException { Item item = new Item(); item.setTitle(rs.getString("title")); item.setUrl(rs.getString("url")); item.setDescription(rs.getString("summary")); item.setPublished(rs.getDate("published")); return item; } }); } }