答小绿豆_
public static Connection getConnection() {
Connection conn = null;
try {
Class.forName(PropertiesHelp.getProperties("driver_manager"));
String url = PropertiesHelp.getProperties("jdbc_url");
String username = PropertiesHelp.getProperties("jdbc_name");
String password = PropertiesHelp.getProperties("jdbc_pwd");
System.out.println(PropertiesHelp.getProperties("driver_manager")+"---"+url+"-----"+username+"----"+password);
conn = DriverManager.getConnection(url, username, password);
} catch (ClassNotFoundException e) {
throw new RuntimeException("未找到驱动类", e);
} catch (SQLException e) {
throw new RuntimeException("数据库连接有问题", e);
}
return conn;
}