package?beans;
import?java.sql.*;
public?class?SQL_login?{
	static?String?url=“jdbc:mysql://localhost:3306/oex“;
????static?String?user=“root“;
????static?String?password=“root“;

	public?static?Connection?getConnection（）?{
		Connection?conn?=?null;
		try?{
			Class.forName（“com.mysql.jdbc.Driver“）;
			conn=?DriverManager.getConnection（urluserpassword）;
		}catch（SQLException?ex）?{
			
		}?catch?（ClassNotFoundException?e）?{
			//?TODO?自動生成的?catch?塊
			e.printStackTrace（）;
		}
		return?conn;
	}
	public?static?void?closeConnection（Connection?conn）?{
		try?{
			if（conn!=null）?{
				conn.close（）;
			}
		}catch（SQLException?ex）?{
			//System.out.println（ex.getMessage（））;
		}
	}



}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????5818??2019-12-10?18:36??oex.sql
?????目錄???????????0??2019-12-03?10:38??online?exam?system\
?????文件?????????727??2019-11-30?22:23??online?exam?system\.classpath
?????文件?????????918??2019-11-30?21:40??online?exam?system\.project
?????目錄???????????0??2019-11-30?21:40??online?exam?system\.settings\
?????文件?????????567??2019-11-30?21:40??online?exam?system\.settings\.jsdtscope
?????文件?????????364??2019-11-30?21:40??online?exam?system\.settings\org.eclipse.jdt.core.prefs
?????文件?????????506??2019-11-30?21:40??online?exam?system\.settings\org.eclipse.wst.common.component
?????文件?????????305??2019-11-30?21:40??online?exam?system\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2019-11-30?21:40??online?exam?system\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2019-11-30?21:40??online?exam?system\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2019-11-30?21:40??online?exam?system\build\
?????目錄???????????0??2019-12-03?10:38??online?exam?system\build\classes\
?????目錄???????????0??2019-12-03?10:38??online?exam?system\build\classes\beans\
?????文件????????1299??2019-12-03?10:38??online?exam?system\build\classes\beans\SQL_login.class
?????目錄???????????0??2019-12-03?09:47??online?exam?system\src\
?????目錄???????????0??2019-12-03?09:48??online?exam?system\src\beans\
?????文件?????????733??2019-12-03?09:54??online?exam?system\src\beans\SQL_login.java
?????目錄???????????0??2019-12-05?10:06??online?exam?system\WebContent\
?????文件????????1542??2019-12-05?10:00??online?exam?system\WebContent\check.jsp
?????文件?????????471??2019-11-30?22:34??online?exam?system\WebContent\Footer.jsp
?????文件?????????508??2019-12-04?23:04??online?exam?system\WebContent\Header.jsp
?????目錄???????????0??2019-12-02?10:12??online?exam?system\WebContent\images\
?????文件?????????919??2019-12-06?11:22??online?exam?system\WebContent\Index.jsp
?????目錄???????????0??2019-11-30?21:40??online?exam?system\WebContent\meta-INF\
?????文件??????????39??2019-11-30?21:40??online?exam?system\WebContent\meta-INF\MANIFEST.MF
?????文件????????1283??2019-12-05?09:55??online?exam?system\WebContent\register.jsp
?????文件????????1416??2019-12-10?17:49??online?exam?system\WebContent\scorelist.jsp
?????文件????????2216??2019-12-10?09:33??online?exam?system\WebContent\submit.jsp
?????文件????????1702??2019-12-10?17:48??online?exam?system\WebContent\test.jsp
?????目錄???????????0??2019-12-03?10:36??online?exam?system\WebContent\WEB-INF\
............此處省略2個文件信息