dbutil.java

来自「java开发的网上书店」· Java 代码 · 共 37 行

package Common;

//import Common.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.io.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;

public class DbUtil {
    
    public static Connection getConnection() throws Exception {
        Connection conn = null;
        DataSource ds = null; 

   try{ 

   InitialContext ctx=new InitialContext(); 
   ds=(DataSource)ctx.lookup("java:comp/env/jdbc/mysql"); 
   conn = ds.getConnection(); 
   

   } 
   catch(Exception ex){ 
      ex.printStackTrace(); 
   } 
        return conn;
    }
    /** Creates a new instance of DbUtil */
    public DbUtil() {
    }
    
}