各种数据库的连接连接Connection方法

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package com.jdbc.myConnection;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

public class ConnectionFactory

{

//获取Oracle连接

public static Connection getOracleConnection()

{

Connection con = null;

try {

Class.forName("oracle.jdbc.OracleDriver");

String url = "jdbc:oracle:thin:@localhost:1521:orcl";

con = DriverManager.getConnection(url, "scott", "tiger");

} catch (Exception e) {

e.printStackTrace();

}

return con;

}

//获取SQLServer的test数据库连接

public static Connection getSQLServerConnection() {

return getMySQLConnection("test");

}

//获取SQLServer 连接

public static Connection getSQLServerConnection(String databaseName) {

Connection con = null;

try {

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");

String url = "jdbc:microsoft:sqlServer://localhost:1433;databaseName=" + databaseName;

con = DriverManager.getConnection(url, "sa", "sa");

} catch (Exception e) {

e.printStackTrace();

}

return con;

}

//获取MySQL连接

public static Connection getMySQLConnection() {

return getMySQLConnection("test");

}

public static Connection getMySQLConnection(String databaseName) { Connection con = null;

try {

Class.forName("com.mysql.jdbc.Driver");

String url = "jdbc:mysql://localhost/" + databaseName;

con = DriverManager.getConnection(url, "root", "root");

} catch (Exception e) {

e.printStackTrace();

}

return con;

}

//关闭连接

public static void close(Connection con) {

try {

con.close();

} catch (SQLException e) {

e.printStackTrace();

}

}

}

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