package?com.wgh.dao;

import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.text.DateFormat;
import?java.text.ParseException;
import?java.util.ArrayList;
import?java.util.Date;
import?java.util.List;

import?com.wgh.model.Diary;
import?com.wgh.tools.ConnDB;

public?class?DiaryDao?{
	private?ConnDB?conn?=?null;//?創建數據庫連接對象

	public?DiaryDao（）?{
		conn?=?new?ConnDB（）;//?實例化數據庫連接對象
	}

	/**
	?*?查詢日記
	?*?
	?*?@param?sql
	?*?@return
	?*/
	public?List?queryDiary（String?sql）?{
		ResultSet?rs?=?conn.executeQuery（sql）;//?執行查詢語句
		List?list?=?new?ArrayList（）;
		try?{//?捕獲異常
		
			while?（rs.next（））?{
				Diary?diary?=?new?Diary（）;
				diary.setId（rs.getInt（1））;//?獲取并設置ID
				diary.settitle（rs.getString（2））;//?獲取并設置日記標題
				diary.setAddress（rs.getString（3））;//?獲取并設置圖片地址
				Date?date;
				try?{
					date?=?DateFormat.getDateTimeInstance（）.parse（
							rs.getString（4））;
					diary.setWriteTime（date）;//?設置寫日記的時間
				}?catch?（ParseException?e）?{
					//?TODO?Auto-generated?catch?block
					e.printStackTrace（）;//?輸出異常信息到控制臺
				}

				diary.setUserid（rs.getInt（5））;//?獲取并設置用戶ID
				diary.setUsername（rs.getString（6））;//?獲取并設置用戶名
				list.add（diary）;//?將日記信息保存到list集合中

			}
		
		}?catch?（SQLException?e）?{
			e.printStackTrace（）;//?輸出異常信息
		}?finally?{
			conn.close（）;//?關閉數據庫連接
		}
		return?list;
	}

	/**
	?*?功能：保存九宮格日記到數據庫
	?*?
	?*?@param?diary
	?*?@return
	?*/
	public?int?saveDiary（Diary?diary）?{
		String?sql?=?“INSERT?INTO?tb_diary?（titleaddressuserid）?VALUES（‘“
				+?diary.gettitle（）?+?“‘‘“?+?diary.getAddress（）?+?“‘“
				+?diary.getUserid（）?+?“）“;		//保存數據的SQL語句
		System.out.println（“diary.getUserid（）“）;
		int?ret?=?conn.executeUpdate（sql）;//?執行更新語句
		conn.close（）;//?關閉數據庫連接
		return?ret;
	}

	/**
	?*?刪除指定日記
	?*?
	?*?@param?id
	?*?@return
	?*/
	public?int?delDiary（int?id）?{
		String?sql?=?“DELETE?FROM?tb_diary?WHERE?id=“?+?id;
		int?ret?=?0;
		try?{
			ret?=?conn.executeUpdate（sql）;//?執行更新語句
		}?catch?（Exception?e）?{
			e.printStackTrace（）;//?輸出異常信息
		}?finally?{
			conn.close（）;//?關閉數據連接
		}
		return?ret;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-12-06?18:41??JavaWeb課程設計\
?????文件?????????859??2015-12-26?11:27??JavaWeb課程設計\.classpath
?????文件????????1035??2011-11-29?09:20??JavaWeb課程設計\.project
?????目錄???????????0??2015-12-06?18:41??JavaWeb課程設計\.settings\
?????文件?????????454??2011-05-07?09:38??JavaWeb課程設計\.settings\.jsdtscope
?????文件?????????330??2011-05-07?09:38??JavaWeb課程設計\.settings\org.eclipse.jdt.core.prefs
?????文件?????????410??2011-06-11?09:36??JavaWeb課程設計\.settings\org.eclipse.wst.common.component
?????文件?????????320??2011-05-07?09:38??JavaWeb課程設計\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2011-05-07?09:38??JavaWeb課程設計\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2011-05-07?09:38??JavaWeb課程設計\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2015-12-06?18:41??JavaWeb課程設計\build\
?????目錄???????????0??2015-12-26?11:27??JavaWeb課程設計\build\classes\
?????目錄???????????0??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\
?????目錄???????????0??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\
?????目錄???????????0??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\dao\
?????文件????????3210??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\dao\DiaryDao.class
?????文件????????3497??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\dao\UserDao.class
?????目錄???????????0??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\filter\
?????文件????????1752??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\filter\CharacterEncodingFilter.class
?????目錄???????????0??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\model\
?????文件????????7833??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\model\CityMap.class
?????文件????????1613??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\model\Diary.class
?????文件????????1727??2015-12-26?11:27??JavaWeb課程設計\build\classes\com\wgh\model\User.class
?????目錄???????????0??2015-12-26?11:28??JavaWeb課程設計\build\classes\com\wgh\servlet\
?????文件????????5053??2015-12-26?11:28??JavaWeb課程設計\build\classes\com\wgh\servlet\CreateImg.class
?????文件????????8407??2015-12-26?14:05??JavaWeb課程設計\build\classes\com\wgh\servlet\DiaryServlet.class
?????文件????????7352??2015-12-26?11:28??JavaWeb課程設計\build\classes\com\wgh\servlet\UserServlet.class
?????目錄???????????0??2015-12-26?11:28??JavaWeb課程設計\build\classes\com\wgh\tools\
?????文件????????3373??2015-12-26?11:28??JavaWeb課程設計\build\classes\com\wgh\tools\ConnDB.class
?????文件?????????149??2015-12-12?13:30??JavaWeb課程設計\build\classes\com\wgh\tools\connDB.properties
?????文件????????3346??2015-12-26?11:28??JavaWeb課程設計\build\classes\com\wgh\tools\MyPagination.class
............此處省略91個文件信息