package?com.hujingxiang.dao;

import?java.sql.Connection;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.util.ArrayList;
import?java.util.Date;

import?com.hujingxiang.entity.BulletinInfo;
import?com.hujingxiang.entity.User;
import?com.hujingxiang.util.ConnDB;
import?com.hujingxiang.util.DateTimeUtil;
import?com.hujingxiang.util.PageModel;

public?class?BulletinDao?{
	public?PageModel?getAllBulletinInfo（int?pageSizeint?pageNo）{
		Connection?conn=null;
		PreparedStatement?pstmt=null;
		ResultSet?rs=null;
		PageModel?pm=null;
		ArrayList?items=new?ArrayList（）;
		String?sql=“select?top?“?+pageSize+?“?a.*b.userName?from?Bulletin?a?“?+
				“inner?join?UserInfo?b?on?a.userId=b.id?where?a.id?“?+
				“not?in?（select?top?“?+（（pageNo-1）*pageSize）+?“?id?from?Bulletin）“;
		
		try?{
			conn=ConnDB.getConn（）;
			pstmt=conn.prepareStatement（sql）;
			
			//執行查詢
			rs=pstmt.executeQuery（）;
			BulletinInfo?item=null;
			User?user=null;
			while（rs.next（））{
				item=new?BulletinInfo（）;
				item.setId（rs.getInt（“id“））;
				item.settitle（rs.getString（“title“））;
				item.setContent（rs.getString（“content“））;
				
				user=new?User（）;
				user.setUserID（rs.getInt（“userId“））;
				user.setUserName（rs.getString（“userName“））;
				
				item.setUser（user）;
				item.setCreateTime（（Date）rs.getobject（“createTime“））;
				
				items.add（item）;
			}
			
			pm=new?PageModel（）;
			pm.setData（items）;
			pm.setPageNo（pageNo）;
			pm.setPageSize（pageSize）;
			pm.setTotalRecords（getTotalRecords（connpstmtrs））;
		}?catch?（SQLException?e）?{
			e.printStackTrace（）;
		}finally{
			ConnDB.closeConn（conn?pstmt?rs）;
		}
		return?pm;
	}

	//獲取總記錄條數
	private?int?getTotalRecords（Connection?conn?PreparedStatement?pstmt
			ResultSet?rs）?{
		String?sql=“select?count（1）?from?Bulletin“;
		int?count=0;
		try?{
			pstmt=conn.prepareStatement（sql）;
			rs=pstmt.executeQuery（）;
			
			if（rs.next（））{
				count=rs.getInt（1）;
			}
		}?catch?（SQLException?e）?{
			e.printStackTrace（）;
		}
		return?count;
	}
	
	/*
	?*?公告信息關鍵詞查詢（分頁）
	?*/
	public?PageModel?getAllBulletinInfo（int?pageSizeint?pageNoString?keywords）?{
		Connection?conn?=?null;
		PreparedStatement?pstmt?=?null;
		ResultSet?rs?=?null;
		PageModel?pm?=?null;
		ArrayList?items?=?new?ArrayList（）;
		String?sql?=?“select?top?“+pageSize+“?a.*b.userName?from?Bulletin?a?inner?join?UserInfo?b?on?a.userId=b.id?where?a.title?like?‘%“+keywords+“%‘?and?a.id?not?in?（select?top?“+（（pageNo-1）*pageSize）+“?id?from?Bulletin）“;
		try?{
			conn?=?ConnDB.getConn（）;
			pstmt?=?conn.prepareStatement（sql）;

			//?執行查詢
			rs?=?pstmt.executeQuery（）;
			BulletinInfo?item?=?null;
			User?user?=?null;
			while?（rs.next（））?{
				item?=?new?BulletinInfo（）;
				item.setId（rs.getInt（“id“））;
				ite

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-10-13?14:54??qlzx\
?????文件?????????432??2010-09-15?16:47??qlzx\.classpath
?????目錄???????????0??2010-09-15?16:46??qlzx\.myeclipse\
?????文件?????????285??2010-10-29?14:36??qlzx\.mymetadata
?????文件????????1277??2010-09-27?13:30??qlzx\.project
?????目錄???????????0??2021-01-01?18:26??qlzx\src\
?????目錄???????????0??2021-01-01?18:26??qlzx\src\com\
?????目錄???????????0??2021-01-01?18:27??qlzx\src\com\hujingxiang\
?????目錄???????????0??2010-10-08?14:57??qlzx\src\com\hujingxiang\dao\
?????文件????????9155??2010-10-11?14:44??qlzx\src\com\hujingxiang\dao\BulletinDao.java
?????文件???????13490??2010-10-11?14:45??qlzx\src\com\hujingxiang\dao\CustomerInfoDao.java
?????文件???????17422??2010-10-29?15:20??qlzx\src\com\hujingxiang\dao\GoodsInfoDao.java
?????文件????????9391??2010-10-29?15:18??qlzx\src\com\hujingxiang\dao\GoodsTypeDao.java
?????文件???????14447??2010-10-11?14:07??qlzx\src\com\hujingxiang\dao\OrderInfoDao.java
?????文件????????4276??2010-09-27?16:10??qlzx\src\com\hujingxiang\dao\UserDao.java
?????目錄???????????0??2010-10-29?15:27??qlzx\src\com\hujingxiang\entity\
?????文件????????1180??2010-09-26?15:37??qlzx\src\com\hujingxiang\entity\BulletinInfo.java
?????文件????????2560??2010-10-29?16:52??qlzx\src\com\hujingxiang\entity\Cart.java
?????文件????????1149??2010-10-08?15:02??qlzx\src\com\hujingxiang\entity\CustomerDetailInfo.java
?????文件????????1049??2010-10-08?15:02??qlzx\src\com\hujingxiang\entity\CustomerInfo.java
?????文件????????2160??2010-10-08?00:38??qlzx\src\com\hujingxiang\entity\GoodsInfo.java
?????文件?????????862??2010-10-08?00:29??qlzx\src\com\hujingxiang\entity\GoodsType.java
?????文件?????????893??2010-10-08?15:03??qlzx\src\com\hujingxiang\entity\OrderGoodsInfo.java
?????文件????????1205??2010-10-08?15:04??qlzx\src\com\hujingxiang\entity\OrderInfo.java
?????文件?????????578??2007-01-01?07:53??qlzx\src\com\hujingxiang\entity\SalesGoods.java
?????文件?????????969??2010-09-06?15:06??qlzx\src\com\hujingxiang\entity\User.java
?????目錄???????????0??2010-10-30?16:28??qlzx\src\com\hujingxiang\servlet\
?????文件?????????931??2010-10-30?16:29??qlzx\src\com\hujingxiang\servlet\AjaxGetIsEmailExists.java
?????文件????????6875??2010-10-13?14:40??qlzx\src\com\hujingxiang\servlet\BulletinManage.java
?????文件????????4251??2010-10-29?17:00??qlzx\src\com\hujingxiang\servlet\CartManage.java
?????文件????????5447??2010-10-30?15:02??qlzx\src\com\hujingxiang\servlet\CustomerForwardManage.java
............此處省略269個文件信息