main.java

是一个描述饭卡管理系统的软件工程作业,里面有各个阶段的文档介绍.

/*
 * Main.java
 *
 * Created on 2007年7月11日, 上午10:18
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package 饭卡管理系统;
import java.sql.*;

/**
 *
 * @author BT之家会员
 */
public class Main {
    public static Connection conn = null;
   public static Statement state = null;
   
    public static void odbc(){
        String DBDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
        String connectionStr = "jdbc:odbc:myodbc";   
        
        try{
            Class.forName(DBDriver);
        }
        catch(java.lang.ClassNotFoundException e){System.err.println("DBconnecton:"+e.getMessage());}
       
        try{
        conn = DriverManager.getConnection(connectionStr,"","");
        state = conn.createStatement();
        }catch(SQLException ex){ System.err.println("aq.executeQuery:"+ex.getMessage());}
    
    }
   /* public static void Myconnect(){
    
        String DBDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
        String connectionStr = "jdbc:odbc:myodbc";
        Connection conn = null;
       String sql = "select * from student_info";
       ResultSet rs =null;
        Statement state = null;
        try{
            Class.forName(DBDriver);
        }
        catch(java.lang.ClassNotFoundException e){System.err.println("DBconnecton:"+e.getMessage());}
       
        try{
        conn = DriverManager.getConnection(connectionStr,"","");
        state = conn.createStatement();
        rs = state.executeQuery(sql);
                
        while( rs.next() ){
        System.out.println(rs.getString(3));
        }
       }catch(SQLException ex){ System.err.println("aq.executeQuery:"+ex.getMessage());}
    
    }
    */

    public static void main(String[] args) {
        odbc();
        Right.main(null);
      
    }
    
}