是这样的马?
怎么还是没反应
都不给打印是连接成了 还是没连接成
public class NewClass extends JFrame { private String dbURL = "jdbc:PostgresSQL://192.168.126.7:5432";//数据库标识名
private String user = "postgres";//数据库用户
private String password = "iwamotocho";//数据库用户密码
String database = "M_社員";//目标数据库 public void ODBCDemo() throws ClassNotFoundException {
try {
//创建与数据库的连接
Connection con = DriverManager.getConnection(dbURL, user, password);
System.out.println("连接成功!");
System.out.println(con.getCatalog());
} catch (Exception ex) {
System.out.println("错误信息:" + ex.getMessage());
}
} public static void main(String args[]) {
new NewClass();
}
}
怎么还是没反应
都不给打印是连接成了 还是没连接成
public class NewClass extends JFrame { private String dbURL = "jdbc:PostgresSQL://192.168.126.7:5432";//数据库标识名
private String user = "postgres";//数据库用户
private String password = "iwamotocho";//数据库用户密码
String database = "M_社員";//目标数据库 public void ODBCDemo() throws ClassNotFoundException {
try {
//创建与数据库的连接
Connection con = DriverManager.getConnection(dbURL, user, password);
System.out.println("连接成功!");
System.out.println(con.getCatalog());
} catch (Exception ex) {
System.out.println("错误信息:" + ex.getMessage());
}
} public static void main(String args[]) {
new NewClass();
}
}
Class.forName( "org.postgresql.Driver" ).newInstance();
conn = DriverManager.getConnection( dbURL, user, password );可能是少了红色的哪一行吧
Class.forName( "org.postgresql.Driver" ).newInstance();