TOMCAT自带例子DummyCart中的一个问题1
这是一个购物车的bean例子.
import (略)
public class DummyCart {
Vector v = new Vector();
String submit = null;
String item = null;
private void addItem(String name) {
v.addElement(name);
}
private void removeItem(String name) {
v.removeElement(name);
}
public void setItem(String name) {
item = name;
}
public void setSubmit(String s) {
submit = s;
}
public String[] getItems() {
String[] s = new String[v.size()];
v.copyInto(s);
return s;
}
public void processRequest(HttpServletRequest request) {
// null value for submit - user hit enter instead of clicking on
// "add" or "remove"
if (submit == null)
addItem(item);
if (submit.equals("add"))
addItem(item);
else if (submit.equals("remove"))
removeItem(item);
// reset at the end of the request
reset();
}
// reset
private void reset() {
submit = null;
item = null;
}
}
但是它只传递商品的名称(item)和操作(submit),我现在还想要加入商品的数量,由顾客通过input输入,参数定为cout.怎么改呢?