package com.jikexueyuan.util;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;
public class ConnectionFactory {
private static String driver;
private static String dbrul;
private static String user;
private static String password;
private static final ConnectionFactory FACTORY = new ConnectionFactory();
private Connection conn;
static{
Properties properties = new Properties();
try {
InputStream in = ConnectionFactory.class.getClassLoader().getResourceAsStream("dbconfig.properties");
properties.load(in);
} catch (Exception e) {
System.out.println("==========配置文件讀取錯誤==========");
}
driver = properties.getProperty("driver");
dbrul = properties.getProperty("dburl");
user = properties.getProperty("user");
password = properties.getProperty("password");
}
private ConnectionFactory(){
}
public static ConnectionFactory getInstance(){
return FACTORY;
}
public Connection makeConnection(){
try {
Class.forName(driver);
conn = DriverManager.getConnection(dbrul, user, password);
} catch (Exception e) {
e.printStackTrace();
}
return conn;
}
}
