<%

String str1=(\ String str2=(\ double d1=(str1); double d2=(str2); double r=d1/d2; (r); %> 7-3、

<%@ page language=\

<%@ page language=\

<%! String color=\<%

color=(\ if (color==null) {

Cookie[] cookies=(); for( int i=0;i<;i++){

if(cookies[i].getName().equals(\ {color=cookies[i].getValue(); break;} } } else {

Cookie cookie=new Cookie(\ (360000); (cookie); } %>

8-1-3、

<%@ page language=\ <%

ArrayList books=(ArrayList)(\ if(books==null){

books=new ArrayList(); (\ }

String book=(\ if(book!=null){

book=new String(\ (book); } %>

已成功加入购物车，稍后进行付款。