石头的日志

package HTClient;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class HTClient {
 public static void main(String[] args) {
   HTClient gets = new HTClient();
   gets.getIpAddress();
}
 public void getIpAddress() {
   try {
     Class.forName("org.postgresql.Driver").newInstance();
     String url = "jdbc:postgresql://192.168.0.210:5432/rakuraku";
     String user = "toyoko";
     String password = "123456";
     Connection conn = DriverManager.getConnection(url, user, password);
     String strSql = "select v_ip_add from tb_hotel_connect ";
     Statement sate = conn.createStatement();
     ResultSet getResult = sate.executeQuery(strSql);
     while (getResult.next()) {
       System.out.println(getResult.getString("v_ip_add"));
     }
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
}