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Re: [PROGRAMMERING] mysql i java



Mange tak for hjælpen, det var lige det der skulle til

søn, 2004-01-25 kl. 00:38 skrev Daniel Löfquist:
> Modifiera nedanstående kodstump så att den passar din databas(ändra 
> lösenord, db-namn, etc.) och provkör det hela. Får du inte det till att 
> fungera är troligtvis inte Connector/J korrekt installerad. Jag har lagt 
> .jar-filen i $JAVA_HOME/jre/lib/ext och mina JDBC-apps funkar jättebra.
> Hoppas det funkar. Annars får du ropa till så meckar vi lite till :-)
> 
> //Daniel
> 
> dbTest.java:
> 
> import java.sql.*;
> 
> public class dbTest {
> 
> 
>    public static void main(String[] args) throws SQLException {
>      Connection con = null;
>      try {
> 	System.out.println("Trying to connect...");
>        con = getConnection();
>        System.out.println("Connection made!");
>        java.sql.Statement stmt = con.createStatement();
>        ResultSet rs = stmt.executeQuery("SELECT customer_id, 
> customer_name,customer_email FROM customers");
>        while (rs.next()) {
> 	// retrieve and print the values for the current row
> 	  int i = rs.getInt("customer_id");
> 	String s = rs.getString("customer_name");
> 	String f = rs.getString("customer_email");
> 	System.out.println("ROW = " + i + " " + s + " " + f);
>        }
>      } finally {
>        if (con != null) {System.out.println("Closing 
> connection.");con.close();}
>      }
>      System.out.println("Over and out.");
>    }
> 
>    private static Connection getConnection() throws SQLException {
>      String  dbDriver = "com.mysql.jdbc.Driver",
>              dbHost = "localhost",
>              dbPort = "3306",
>              dbName = "customerDB",
>              dbUser = "un",
>              dbPass = "pw",
>              dbURL = "jdbc:mysql://"+dbHost+":"+dbPort+"/"+dbName;
>      Connection con = null;
> 
>      try {
>        Class.forName(dbDriver).newInstance();
>      } catch(Exception e) {
>        throw new SQLException("Class not found: "+e.getMessage());
>      }
>      con = DriverManager.getConnection(dbURL,dbUser,dbPass);
>      return con;
>    }
> }
> 
> --
> Excuse me, I believe you have my stapler...?
> 
> 
> Allan Nielsen wrote:
> > Hej
> > Nogle der har prøvet at bruge en mysql database i java, jeg har prøvet
> > at følge guiden på:
> > http://www.thep.lu.se/~nicklas/base2/prototype/mysql.html
> > uden held, jeg tror ikke jeg får installeret pakken fra mysqls hjemme
> > side rigtig.
> > 
> > Hvis der er nogle som har nogle eksempler/erfaringer/forslag ville dette
> > være en stor hjælp
> > 
> > MVH
> > Allan Nielsen
> > 
> > 
> > 
> 



 
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