package student;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class main {
public static void main(String[] args) throws ClassNotFoundException,SQLException {
//宣告Connection物件
String dbURL = “jdbc:mysql://localhost:3306/runoob?useSSL=false&&allowPublicKeyRetrieval=true&&useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC”;

     Connection con;
     //驅動程式名
     String driver = "com.mysql.cj.jdbc.Driver";
     //遍歷查詢結果集
     try {
         //載入驅動程式
         Class.forName(driver);            
		//1.getConnection()方法，連線MySQL資料庫！！
         con = DriverManager.getConnection(dbURL,passWord);
         if(!con.isClosed())
             System.out.println("Succeeded connecting to the Database!");
         //2.建立statement類物件，用來執行SQL語句！！
         Statement statement = con.createStatement();
         //要執行的SQL語句
         String sql = "select * from websites";
         //3.ResultSet類，用來存放獲取的結果集！！
         ResultSet rs = statement.executeQuery(sql);
         System.out.println("--------------------------------------");
         System.out.println("執行結果如下所示:");  
         System.out.println("--------------------------------------");  
         System.out.println("id" + "\t" + "name" + "\t" + "url" + "\t" +"\t"+"country");  
         System.out.println("--------------------------------------");  
         String id = null;
          String name= null;            
         String url = null;
         String country = null;
         while(rs.next()){
        	 //獲取sno這列資料
             id = rs.getString("id");
             //獲取sname這列資料
             name = rs.getString("name");
             url = rs.getString("url");
             country = rs.getString("country");
             //獲取sex這列資料
             //輸出結果
             System.out.println(id + "\t" + name+"\t"+url+ "\t" + country);
         }
         rs.close();
         con.close();
     } catch(ClassNotFoundException e) {   
         //資料庫驅動類異常處理
         System.out.println("Sorry,can`t find the Driver!");   
         e.printStackTrace();   
         } catch(SQLException e) {
         //資料庫連線失敗異常處理
         e.printStackTrace();  
         }catch (Exception e) {
         // TODO: handle exception
         e.printStackTrace();
     }
     finally{
         System.out.println("資料庫資料成功獲取！！");
     }
 }
 

}