package com.fgkj.dao.impl;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.List;
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import com.fgkj.dao.BaseDAO;
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import com.fgkj.dao.CallBack;
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import com.fgkj.dao.DAOHelper;
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import com.fgkj.dao.LimitNumberFactory;
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import com.fgkj.db.DBUtil;
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import com.fgkj.db.IDatabaseName;
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import com.fgkj.dto.Announce;
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import com.fgkj.dto.Page;
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public class AnnounceImpl implements BaseDAO,CallBack{
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public List getResults(ResultSet rs) {
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List list=new ArrayList();
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try {
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while(rs.next()){
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Announce announ=new Announce();
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announ.setNum(rs.getInt("num"));
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announ.setUsr_id(rs.getInt("usr_id"));
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announ.setAnnounce_time(rs.getTimestamp("announce_time"));
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announ.setMessage(rs.getString("message"));
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announ.setNote(rs.getString("note"));
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list.add(announ);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return list;
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}
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//发布公告
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public boolean add(Object obj) {
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Announce announ=(Announce) obj;
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String sql="insert into web_site.tb_announce(usr_id,announce_time,message,note) values(?,?,?,?) ";
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Boolean bl=DAOHelper.executeUpdate(DBUtil.getConn(), sql, new Object[]{announ.getUsr_id()
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,announ.getAnnounce_time(),announ.getMessage(),announ.getNote()});
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return bl;
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}
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//更新修改公告
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public boolean update(Object obj) {
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Announce announ=(Announce) obj;
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String sql="update web_site.tb_announce set usr_id=?,announce_time=?,message=?,note=? where num=? ";
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Boolean bl=DAOHelper.executeUpdate(DBUtil.getConn(), sql, new Object[]{announ.getUsr_id()
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,announ.getAnnounce_time(),announ.getMessage(),announ.getNote(),announ.getNum()});
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return bl;
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}
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//删除公告
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public boolean del(Object obj) {
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Announce announ=(Announce) obj;
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String sql="delete from web_site.tb_announce where num=?";
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Boolean bl=DAOHelper.executeUpdate(DBUtil.getConn(), sql, new Object[]{announ.getNum()});
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return bl;
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}
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//0.6公告信息显示(未分页)
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public List searchAll() {
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String sql="select num,usr_id,announce_time,message,note from web_site.tb_announce order by announce_time desc";
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List list=DAOHelper.executeQuery(sql, DBUtil.getConn(), null, new AnnounceImpl());
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return list;
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}
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//根据条件查询公告信息
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public List serchByCondition(Object obj) {
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Announce announ=(Announce) obj;
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//System.out.println(announ);
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String numberSql="SELECT FOUND_ROWS() number";//存放总数
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Connection conn=DBUtil.getConn();//sql和numberSql共用一个connection
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String sql="";
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String baseSql="select SQL_CALC_FOUND_ROWS num,usr_id,announce_time,message,note " +
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"FROM web_site.tb_announce where announce_time>=? and announce_time<=? "+
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" and message like ? ";
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//发布人选择
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String usrSqlT=" and usr_id!=? ";//全部为0
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String usrSqlF=" and usr_id=? ";//
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if(announ.getUsr_id()==0){
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baseSql+=usrSqlT;
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}else{
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baseSql+=usrSqlF;
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}
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String endSql=" order by announce_time desc limit ?,?";
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sql=baseSql+endSql;
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//System.out.println(sql);
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List<Announce> list=DAOHelper.executeQueryLimit(sql, conn, new Object[]{announ.getAnnounce_time(),announ.getAnnounce_time1(),
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"%"+announ.getMessage()+"%",announ.getUsr_id(),(announ.getPage().getPageCurr() - 1)* announ.getPage().getPageSize(),
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announ.getPage().getPageSize()}, new CallBack() {
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public List getResults(ResultSet rs) {
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List list=new ArrayList();
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try {
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while(rs.next()){
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Announce announ=new Announce();
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announ.setNum(rs.getInt("num"));
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announ.setUsr_id(rs.getInt("usr_id"));
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announ.setAnnounce_time(rs.getTimestamp("announce_time"));
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announ.setMessage(rs.getString("message"));
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announ.setNote(rs.getString("note"));
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Page page=new Page();
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announ.setPage(page);
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list.add(announ);
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}
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} catch (SQLException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return list;
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}
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});
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//去掉limit条件后的总数
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int number=LimitNumberFactory.GetLimtitNumber(conn, numberSql);
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//System.out.println("number: "+number);
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if(list!=null&&list.size()>0){
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list.get(list.size()-1).getPage().setPageAll(number);
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}
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return list;
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}
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//0.6公告信息显示(分页)
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public List serchByInfo(Object obj) {
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Page page=(Page) obj;
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String numberSql="SELECT FOUND_ROWS() number";//存放总数
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Connection conn=DBUtil.getConn();//sql和numberSql共用一个connection
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String sql="select SQL_CALC_FOUND_ROWS num,usr_id,announce_time,message,note from web_site.tb_announce order by announce_time desc limit ?,?";
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List<Announce> list=DAOHelper.executeQueryLimit(sql, conn, new Object[]{(page.getPageCurr() - 1)* page.getPageSize(),
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page.getPageSize()}, new AnnounceImpl());
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//去掉limit条件后的总数
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int number=LimitNumberFactory.GetLimtitNumber(conn, numberSql);
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//System.out.println("number: "+number);
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if(list!=null&&list.size()>0){
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list.get(list.size()-1).getPage().setPageAll(number);
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}
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return list;
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}
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}
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