mycartbean.java

1.DATABASE目录下存放的是网上购书系统的数据库脚本文件以及相应的jdatastore数据库文件。 2.bookstoreejb目录下存放的工程对应于网上购书系统的ejb部分。 3.shop

package bookstoreejb;
import java.rmi.*;
import javax.ejb.*;
import java.lang.*;
import java.util.*;
import java.io.Serializable;


public class mycartBean implements SessionBean {
  SessionContext sessionContext;
  java.lang.String custName;
  java.util.Vector books=new java.util.Vector();
  public void ejbCreate(String _custName) throws CreateException {
     custName=_custName;
     /**@todo Complete this method*/
   }

  public void ejbRemove() {
    /**@todo Complete this method*/
  }
  public void ejbActivate() {
    /**@todo Complete this method*/
  }
  public void ejbPassivate() {
    /**@todo Complete this method*/
  }
  public void setSessionContext(SessionContext sessionContext) {
    this.sessionContext = sessionContext;
  }
  public void addBook(Book book) {

  books.addElement(book);

  /**@todo Complete this method*/
}
public void deleteBook(Book book) {

  Enumeration elements = books.elements();
   while(elements.hasMoreElements())
   {
       Book current = (Book) elements.nextElement();
       if(book.bookName.equals(current.bookName))
       {
          books.removeElement(current);
          return;
       }
     }



}
public float getTotalPrice() {
  float totalPrice = 0f;
  Enumeration elements = books.elements();
  while(elements.hasMoreElements())
  {
    Book current = (Book) elements.nextElement();
    totalPrice += current.price;
  }
  return (long) (totalPrice * 100) / 100f;

}

}