shoppingcart.java

来自「j2EE」· Java 代码 · 共 38 行

JAVA
38 行
字号 
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class ShoppingCart extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse res)
                               throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();

    out.println("<HEAD><TITLE>List of your Shopping Cart Items</TITLE></HEAD>");
    out.println("<BODY>");

    // Cart items are passed in as the item parameter.
    String[] items = req.getParameterValues("bookID");

    // Print the current cart items.
    out.println("You currently have the following items in your cart:<BR>");
    if (items == null) {
      out.println("<B>None</B>");
    }
    else {
      out.println("<UL>");
      for (int i = 0; i < items.length; i++) {
        out.println("<LI>" + items[i]);
      }
      out.println("</UL>");
    }

    
    out.println("</BODY></HTML>");
  }
public void doPost(HttpServletRequest req, HttpServletResponse res)
                               throws ServletException, IOException {
			doGet(req,res);
}
}

shoppingcart.java - 源码说明

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