d011b96064f4001b1e1eb8921e996703

来自「Internet 开发技术分章节代码和自己完成的课程设计全代码(在zuoye文件」· 代码 · 共 35 行

TXT
35
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package bean;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class AddCar_Servlet extends HttpServlet
 {   
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
	          throws ServletException, IOException 
	{
		response.setContentType("text/html;charset=GB2312");  //设置响应的MIME类型
		PrintWriter out =response.getWriter();   //获得向客户发送数据的输出流
		out.println("<html><head></head><body>");
		HttpSession session=request.getSession(true); //获得向客户会话对象
//		mybook为执行的操作,add表示添加此商品,remove表示删除此商品。
//		添加id。		
		String books[]=request.getParameterValues("id");
		if(session.getAttribute("flag")==null)
		{ 	session.setAttribute("flage","ok");
		    session.setAttribute("str","");
		}
		for(int i=0;i<books.length;i++)
		{ 	  			
		   session.setAttribute("str",session.getAttribute("str")+books[i]+"<BR>"); 
		} 
		 String ss =(String)session.getAttribute("str");
		 byte b[]=ss.getBytes("ISO-8859-1");
		 String s1=new String(b);
		 out.println("<BR>"+"在你购物车中的物品是: "+books.length+"<BR>");
		 out.println(s1);
	}  	
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
	           throws ServletException, IOException
	 {  doGet(request,response); }   	    
}

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