package?com.bean;

import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.SQLException;

public?class?DBUtils?{

	private???static??final??String??USER=“root“;//數據庫的賬號
	private???static??final??String??PASSWORD=““;//密碼???????向下復制??ctrl+shift+下???
	private???static??final??String??URL=“jdbc:mysql://localhost:3306/t-user“;//連接數據庫的詳細的地址
	private???static??final??String??DRIVERCLASS=“com.mysql.jdbc.Driver“;//mysql數據驅動類的全路徑

????//注冊驅動
	static{
		
		try?{
			Class.forName（DRIVERCLASS）;//alt+shift+z
		}?catch?（ClassNotFoundException?e）?{
			e.printStackTrace（）;
		}
	}
	//建立連接
	public?static??Connection?getConnection（）?throws?SQLException{
		
		return??DriverManager.getConnection（URLUSERPASSWORD）;
	}
	//關閉連接
	public?static??void??close（Connection??conn）?throws??SQLException{
		if（conn!=null）{
			
			conn.close（）;
		}
	}
?
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-09?07:39??音樂網站\
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\
?????文件????????1228??2017-01-05?09:49??音樂網站\Static?Music?Web\.classpath
?????文件?????????916??2016-12-07?08:50??音樂網站\Static?Music?Web\.project
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\.settings\
?????文件?????????567??2016-12-07?08:50??音樂網站\Static?Music?Web\.settings\.jsdtscope
?????文件?????????364??2016-12-07?08:50??音樂網站\Static?Music?Web\.settings\org.eclipse.jdt.core.prefs
?????文件?????????500??2016-12-07?08:50??音樂網站\Static?Music?Web\.settings\org.eclipse.wst.common.component
?????文件?????????305??2016-12-07?08:50??音樂網站\Static?Music?Web\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2016-12-07?08:50??音樂網站\Static?Music?Web\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2016-12-07?08:50??音樂網站\Static?Music?Web\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\WebContent\
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\WebContent\meta-INF\
?????文件??????????39??2016-12-07?08:50??音樂網站\Static?Music?Web\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\WebContent\WEB-INF\
?????文件?????????975??2016-12-09?17:15??音樂網站\Static?Music?Web\WebContent\WEB-INF\c.tld
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\
?????文件???????69002??2016-12-07?10:56??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\commons-fileupload-1.3.1.jar
?????文件??????185140??2016-12-07?10:56??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\commons-io-2.4.jar
?????文件??????393259??2016-12-07?11:20??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\jakarta-taglibs-standard-1.1.2.jar
?????文件???????20682??2016-12-07?11:24??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\jstl.jar
?????文件??????709922??2016-12-07?08:56??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\mysql-connector-java-5.1.7-bin.jar
?????文件??????393259??2016-12-07?11:24??音樂網站\Static?Music?Web\WebContent\WEB-INF\lib\standard.jar
?????文件?????????676??2017-01-05?10:26??音樂網站\Static?Music?Web\WebContent\WEB-INF\web.xml
?????文件?????????922??2016-12-10?18:10??音樂網站\Static?Music?Web\WebContent\download.jsp
?????目錄???????????0??2018-04-09?07:39??音樂網站\Static?Music?Web\WebContent\images\
?????文件??????565534??2016-12-10?19:50??音樂網站\Static?Music?Web\WebContent\images\bg.png
?????文件???????64187??2016-12-10?19:42??音樂網站\Static?Music?Web\WebContent\images\login.jpg
?????文件????????1575??2016-12-10?18:31??音樂網站\Static?Music?Web\WebContent\index.jsp
?????文件????????1968??2016-12-10?19:55??音樂網站\Static?Music?Web\WebContent\login.jsp
?????文件????????2891??2016-12-10?18:44??音樂網站\Static?Music?Web\WebContent\musicList.jsp
............此處省略31個文件信息