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(chuàng)建數(shù)據(jù)庫(kù)連接對(duì)象

	public?DiaryDao（）?{
		conn?=?new?ConnDB（）;//?實(shí)例化數(shù)據(jù)庫(kù)連接對(duì)象
	}

	/**
	?*?查詢?nèi)沼?br/>	?*?
	?*?@param?sql
	?*?@return
	?*/
	public?List?queryDiary（String?sql）?{
		ResultSet?rs?=?conn.executeQuery（sql）;//?執(zhí)行查詢語(yǔ)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(shè)置ID
				diary.settitle（rs.getString（2））;//?獲取并設(shè)置日記標(biāo)題
				diary.setAddress（rs.getString（3））;//?獲取并設(shè)置圖片地址
				Date?date;
				try?{
					date?=?DateFormat.getDateTimeInstance（）.parse（
							rs.getString（4））;
					diary.setWriteTime（date）;//?設(shè)置寫日記的時(shí)間
				}?catch?（ParseException?e）?{
					//?TODO?Auto-generated?catch?block
					e.printStackTrace（）;//?輸出異常信息到控制臺(tái)
				}

				diary.setUserid（rs.getInt（5））;//?獲取并設(shè)置用戶ID
				diary.setUsername（rs.getString（6））;//?獲取并設(shè)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(guān)閉數(shù)據(jù)庫(kù)連接
		}
		return?list;
	}

	/**
	?*?功能：保存九宮格日記到數(shù)據(jù)庫(kù)
	?*?
	?*?@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(shù)據(jù)的SQL語(yǔ)句
		int?ret?=?conn.executeUpdate（sql）;//?執(zhí)行更新語(yǔ)句
		conn.close（）;//?關(guān)閉數(shù)據(jù)庫(kù)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(zhí)行更新語(yǔ)句
		}?catch?（Exception?e）?{
			e.printStackTrace（）;//?輸出異常信息
		}?finally?{
			conn.close（）;//?關(guān)閉數(shù)據(jù)連接
		}
		return?ret;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????133??2012-04-25?14:12??使用說(shuō)明.txt

?????文件????????454??2011-05-07?09:38??.settings\.jsdtscope

?????文件????????127??2017-05-05?09:07??.settings\com.genuitec.eclipse.core.prefs

?????文件????????172??2017-05-04?18:58??.settings\org.eclipse.core.resources.prefs

?????文件????????330??2011-05-07?09:38??.settings\org.eclipse.jdt.core.prefs

?????文件????????410??2017-05-04?17:04??.settings\org.eclipse.wst.common.component

?????文件????????320??2011-05-07?09:38??.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2011-05-07?09:38??.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2011-05-07?09:38??.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????3068??2017-05-05?09:07??build\classes\com\wgh\dao\DiaryDao.class

?????文件???????3482??2017-05-05?09:07??build\classes\com\wgh\dao\UserDao.class

?????文件???????1751??2017-05-05?09:07??build\classes\com\wgh\filter\CharacterEncodingFilter.class

?????文件???????7833??2017-05-05?09:07??build\classes\com\wgh\model\CityMap.class

?????文件???????1613??2017-05-05?09:07??build\classes\com\wgh\model\Diary.class

?????文件???????1727??2017-05-05?09:07??build\classes\com\wgh\model\User.class

?????文件???????5068??2017-05-05?09:07??build\classes\com\wgh\servlet\CreateImg.class

?????文件???????8309??2017-05-05?09:07??build\classes\com\wgh\servlet\DiaryServlet.class

?????文件???????7304??2017-05-05?09:07??build\classes\com\wgh\servlet\UserServlet.class

?????文件???????3351??2017-05-05?09:07??build\classes\com\wgh\tools\ConnDB.class

?????文件????????135??2017-05-04?19:26??build\classes\com\wgh\tools\connDB.properties

?????文件???????3420??2017-05-05?09:07??build\classes\com\wgh\tools\MyPagination.class

?????文件???????2457??2011-06-09?13:45??src\com\wgh\dao\DiaryDao.java

?????文件???????3667??2017-05-04?16:58??src\com\wgh\dao\UserDao.java

?????文件????????994??2017-05-04?19:39??src\com\wgh\filter\CharacterEncodingFilter.java

?????文件???????4884??2017-05-04?17:00??src\com\wgh\model\CityMap.java

?????文件???????1092??2011-05-28?14:46??src\com\wgh\model\Diary.java

?????文件???????1199??2011-05-28?14:56??src\com\wgh\model\User.java

?????文件???????5346??2011-06-10?11:07??src\com\wgh\servlet\CreateImg.java

?????文件??????10097??2017-05-04?17:01??src\com\wgh\servlet\DiaryServlet.java

?????文件???????9730??2017-05-04?17:02??src\com\wgh\servlet\UserServlet.java

............此處省略97個(gè)文件信息