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
		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??2019-02-19?10:03??21\
?????文件????????1238??2019-01-22?12:42??21\.classpath
?????文件????????1035??2011-11-29?09:20??21\.project
?????目錄???????????0??2019-01-22?10:12??21\.settings\
?????文件?????????454??2011-05-07?09:38??21\.settings\.jsdtscope
?????文件??????????57??2019-01-22?12:25??21\.settings\org.eclipse.core.resources.prefs
?????文件?????????330??2011-05-07?09:38??21\.settings\org.eclipse.jdt.core.prefs
?????文件?????????410??2011-06-11?09:36??21\.settings\org.eclipse.wst.common.component
?????文件?????????320??2011-05-07?09:38??21\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2011-05-07?09:38??21\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2011-05-07?09:38??21\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2018-08-10?16:19??21\WebContent\
?????目錄???????????0??2018-08-10?16:19??21\WebContent\CSS\
?????文件?????????485??2011-06-08?13:01??21\WebContent\CSS\style.css
?????目錄???????????0??2018-08-10?16:19??21\WebContent\Database\
?????文件????????3447??2011-06-11?09:01??21\WebContent\Database\db_9griddiary.sql
?????目錄???????????0??2018-08-10?16:19??21\WebContent\JS\
?????文件????????1937??2011-06-08?14:21??21\WebContent\JS\AjaxRequest.js
?????文件???????37315??2011-05-28?15:26??21\WebContent\JS\excanvas-modified.js
?????文件???????57254??2011-05-30?08:35??21\WebContent\JS\jquery-1.3.2.min.js
?????文件????????4780??2011-05-30?08:35??21\WebContent\JS\jquery.pngFix.js
?????文件????????2495??2011-05-30?08:35??21\WebContent\JS\jquery.pngFix.pack.js
?????文件????????1333??2011-05-26?14:26??21\WebContent\JS\wghFunction.js
?????目錄???????????0??2018-08-10?16:19??21\WebContent\meta-INF\
?????文件??????????39??2011-05-07?09:38??21\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2018-08-10?16:19??21\WebContent\WEB-INF\
?????目錄???????????0??2019-01-22?12:49??21\WebContent\WEB-INF\lib\
?????文件???????30658??2019-01-22?12:49??21\WebContent\WEB-INF\lib\jstl-api-1.2.jar
?????文件??????392410??2019-01-22?12:49??21\WebContent\WEB-INF\lib\jstl-impl-1.2.jar
?????文件??????709922??2018-01-18?14:00??21\WebContent\WEB-INF\lib\mysql-connector-java-5.1.7-bin.jar
?????文件????????2240??2011-05-23?11:09??21\WebContent\WEB-INF\web.xml
............此處省略93個文件信息