jdbc获取对各种数据库的连接

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

public class ConnectionsManager {

Connection conn;

String user="dada";

String password="dandan";

//获取对oracle连接

public Connection getOracleConn() throws Exception {

String url="jdbc:oracle:thin:@127.0.0.1:1521:dandan";

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

conn=DriverManager.getConnection(url,user,password);

return conn;

}

//获取mysql连接

public Connection getMysqlConn() throws Exception {

String url="jdbc:mysql://127.0.0.1/dandan";

Class.forName("org.gjt.mm.mysql.Driver");

conn=DriverManager.getConnection(url,user,password);

return conn;

}

//获取sqlServer连接

public Connection getSqlServerConn() throws Exception {

String url="com.microsoft.jdbc.sqlserver.SQLServerDriver";

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

conn = DriverManager.getConnection

(url,user,password);

return conn;

}

//获取Odbc连接

public Connection getOdbcConn() throws Exception {

String url="jdbc:odbc:ExcelODBC1";

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

conn = DriverManager.getConnection(url, user, password);

return conn;

//需要注意的是,在使用ODBC进行查询的时候,跟标准的sql有一些不同

//需要使用"[]"把要查询的表名字给括起来

// Statement stmt=con.createStatement();

// ResultSet rs=stmt.executeQuery("select * from [Sheet1$]");

}

//获取Access连接

public Connection getAccessConn() throws Exception {

String url="jdbc:odbc:test";

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

conn = DriverManager.getConnection(url, user, password);

return conn;

}

//通过Odbc获取sqlServer连接

public Connection getSqlServerConn1() throws Exception {

String url="jdbc:odbc:mydb1";

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

conn = DriverManager.getConnection(url, user, password);

//Connection con = DriverManager.getConnection("jdbc:odbc:mydb1;database=pubs", "", "");

return conn;

}

}