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package com.ly.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
/**
* 功能描述:连接数据库
*
* @author TONY
*
*/
public class ConnectDB {
private static final String MYSQL = "jdbc:mysql://";
private static final String ORACLE = "jdbcracle:thin";
private static final String SQLSERVER = "jdbc:microsoft:sqlserver://";
private ConnectDB() {
}
public static Connection getConnection(String DBType, String url,
String user, String password) throws SQLException {
if ("mysql".equalsIgnoreCase(DBType))
return getMySqlConn(url, user, password);
if ("oracle".equalsIgnoreCase(DBType))
return getOracleConn(url, user, password);
if ("sqlserver".equals(DBType)){
return getSqlServerConn(url, user, password);
}
return null;
}
public static void closeConn(Connection conn) {
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
private static Connection getMySqlConn(String url, String user,
String password) throws SQLException {
Connection conn = null;
try {
Class.forName("com.mysql.jdbc.Driver");// 加载驱动MYSQL
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
conn = DriverManager.getConnection(MYSQL + url, user, password);
return conn;
}
private static Connection getOracleConn(String url, String user,
String password) throws SQLException {
Connection conn = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");// 加载驱动ORACLE
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
conn = DriverManager.getConnection(ORACLE + url, user, password);
return conn;
}
private static Connection getSqlServerConn(String url, String user,
String password) throws SQLException {
Connection conn = null;
try {
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");// 加载驱动MSSQL
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
conn = DriverManager.getConnection(SQLSERVER + url, user, password);
return conn;
}
public static void main(String[] args) {
try {
Connection conn = getConnection("ORACLE", "127.0.0.1:1521:TEST", "tiger",
"dragon");
if (conn == null) {
System.out.println("Connection the database is failled !");
} else {
System.out.println("Connection the database is success !");
System.out.println(conn.toString());
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
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方法二:
Java类
JAVA类
Database.Propertis
#数据库驱动
jdbc.driver=oracle.jdbc.driver.OracleDriver
#数据库远程连接
jdbc.url=jdbc\:oracle\:thin\:@10.24.1.183\:1521\:hbgis1
#数据库用户名
jdbc.username=tiger
#数据库密码
jdbc.password=dragon
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