package?dao;

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

import?entity.Admin;

public?class?AdminDao?{
	public?Admin?login（Connection?connectionAdmin?admin）throws?Exception{
		Admin?resultAdmin?=?null;
		String?sql?=?“select?*?from?admin?where?username=??and?password=?“;
		PreparedStatement?pStatement?=?connection.prepareStatement（sql）;
		pStatement.setString（1?admin.getUserName（））;
		pStatement.setString（2?admin.getPassword（））;
		ResultSet?resultSet?=?pStatement.executeQuery（）;
		
		if?（resultSet.next（））?{
			resultAdmin?=?new?Admin（）;
			resultAdmin.setUserName（resultSet.getString（“username“））;
			resultAdmin.setPassword（resultSet.getString（“password“））;
			return?resultAdmin;
		}
		return?null;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-25?12:11??orcle大作業\
?????文件?????1012736??2018-12-25?12:11??orcle大作業\實驗報告.doc
?????目錄???????????0??2018-12-25?12:08??orcle大作業\源代碼\
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\
?????文件????????1725??2018-12-23?23:00??orcle大作業\源代碼\backend\DatabaseDesign\.classpath
?????文件?????????914??2017-04-04?21:42??orcle大作業\源代碼\backend\DatabaseDesign\.project
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.settings\
?????文件?????????567??2017-03-17?23:00??orcle大作業\源代碼\backend\DatabaseDesign\.settings\.jsdtscope
?????文件?????????364??2017-03-17?23:00??orcle大作業\源代碼\backend\DatabaseDesign\.settings\org.eclipse.jdt.core.prefs
?????文件?????????494??2017-04-04?21:42??orcle大作業\源代碼\backend\DatabaseDesign\.settings\org.eclipse.wst.common.component
?????文件?????????305??2017-04-20?23:14??orcle大作業\源代碼\backend\DatabaseDesign\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-03-17?23:00??orcle大作業\源代碼\backend\DatabaseDesign\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-03-17?23:00??orcle大作業\源代碼\backend\DatabaseDesign\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.svn\
?????文件???????????3??2018-12-20?19:08??orcle大作業\源代碼\backend\DatabaseDesign\.svn\entries
?????文件???????????3??2018-12-20?19:08??orcle大作業\源代碼\backend\DatabaseDesign\.svn\format
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\21\
?????文件????????4674??2018-12-20?19:08??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\21\219f7669252f59488a232e3963a63f4ba104d3e0.svn-base
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\3d\
?????文件???????18821??2018-12-20?19:08??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\3d\3dd1313aaeed91bb04bb774122632e0c8a850b5b.svn-base
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\90\
?????文件????????1154??2018-12-20?19:08??orcle大作業\源代碼\backend\DatabaseDesign\.svn\pristine\90\9001c7c2b1f1a05c675cf432793dcaa2b0e3f2ab.svn-base
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\.svn\tmp\
?????目錄???????????0??2018-12-25?14:11??orcle大作業\源代碼\backend\DatabaseDesign\.svn\tmp\prop-base\
?????目錄???????????0??2018-12-25?14:11??orcle大作業\源代碼\backend\DatabaseDesign\.svn\tmp\props\
?????目錄???????????0??2018-12-25?14:11??orcle大作業\源代碼\backend\DatabaseDesign\.svn\tmp\text-base\
?????文件???????36864??2018-12-20?19:08??orcle大作業\源代碼\backend\DatabaseDesign\.svn\wc.db
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\WebContent\
?????目錄???????????0??2018-12-25?11:47??orcle大作業\源代碼\backend\DatabaseDesign\WebContent\meta-INF\
............此處省略117個文件信息