DBUtil

/*需要先加包：mysql-connector-java-5.1.7-bin.jar*/

import java.sql.Connection;

import java.sql.DriverManager;

public class DBUtil {
private static String driver = "com.mysql.jdbc.Driver";
private static String url = "jdbc:mysql://localhost:3306/gale";
private static String user = "root";
private static String password = "root";
/**
* 连接数据库
* @return Connection
* @throws Exception
*/
public static Connection getConnection() throws Exception{
try {
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, user, password);
return conn;
} catch (ClassNotFoundException e) {
e.printStackTrace();
throw e;
}

}
public static void closeConnection(Connection conn){
try {
if(conn==null){
return;
}
if(conn.isClosed()){
return;
}
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
}

}