package?dao;

import?java.sql.Connection;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.sql.SQLException;

public?class?CategorieDao?{
	public?String?getCategoryNameDao（String?categoryId）{
		String?categoryName?=?““;
		Connection?conn=DBManager.getConnection（）;
		PreparedStatement?stat=null;
		ResultSet?rs=null;
		try?{
			stat=conn.prepareStatement（“select?*?from?categories?where?category_id?=??“）;
			stat.setString（1?categoryId）;
			rs=stat.executeQuery（）;
			rs.next（）;
			categoryName?=rs.getString（2）;
		}?catch?（SQLException?e）?{
			e.printStackTrace（）;
		}finally{
			DBManager.closeAll（conn?stat?rs）;
		}
		return?categoryName;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????????92??2019-05-08?22:28??說(shuō)明.txt
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\
?????文件????????4301??2017-01-10?21:24??超市管理系統(tǒng)\SQLQuerycashier.sql
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\SupermarketSystem\
?????文件?????????315??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\.classpath
?????文件?????????599??2017-01-09?16:46??超市管理系統(tǒng)\SupermarketSystem\.project
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\SupermarketSystem\.settings\
?????文件?????????120??2017-01-09?16:46??超市管理系統(tǒng)\SupermarketSystem\.settings\com.genuitec.eclipse.migration.prefs
?????文件?????????598??2017-01-09?16:48??超市管理系統(tǒng)\SupermarketSystem\.settings\org.eclipse.jdt.core.prefs
?????文件?????????177??2017-01-09?17:02??超市管理系統(tǒng)\SupermarketSystem\.settings\org.eclipse.wst.common.project.facet.core.xml
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\SupermarketSystem\bin\
?????文件?????????315??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\.classpath
?????文件?????????599??2017-01-09?16:46??超市管理系統(tǒng)\SupermarketSystem\bin\.project
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\SupermarketSystem\bin\.settings\
?????文件?????????120??2017-01-09?16:46??超市管理系統(tǒng)\SupermarketSystem\bin\.settings\com.genuitec.eclipse.migration.prefs
?????文件?????????598??2017-01-09?16:48??超市管理系統(tǒng)\SupermarketSystem\bin\.settings\org.eclipse.jdt.core.prefs
?????文件?????????177??2017-01-09?17:02??超市管理系統(tǒng)\SupermarketSystem\bin\.settings\org.eclipse.wst.common.project.facet.core.xml
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\SupermarketSystem\bin\dao\
?????文件????????1509??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\dao\CategorieDao.class
?????文件????????5051??2017-01-10?22:33??超市管理系統(tǒng)\SupermarketSystem\bin\dao\CustomerDao.class
?????文件????????2262??2017-01-10?16:56??超市管理系統(tǒng)\SupermarketSystem\bin\dao\DBManager.class
?????文件????????5981??2017-01-11?14:28??超市管理系統(tǒng)\SupermarketSystem\bin\dao\ProductsDao.class
?????文件????????1122??2017-01-10?16:32??超市管理系統(tǒng)\SupermarketSystem\bin\dao\SaleHistoryDao.class
?????文件????????1803??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\dao\ScoreDiscountDao.class
?????文件????????4777??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\dao\UsersDao.class
?????目錄???????????0??2017-06-19?10:25??超市管理系統(tǒng)\SupermarketSystem\bin\entity\
?????文件?????????892??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\entity\Categories.class
?????文件????????1334??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\entity\Customers.class
?????文件?????????633??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\entity\ProductInfo.class
?????文件????????2218??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\entity\Products.class
?????文件?????????873??2017-01-09?17:08??超市管理系統(tǒng)\SupermarketSystem\bin\entity\Roles.class
............此處省略124個(gè)文件信息