📄 step1.java
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package scwcd.lab06;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Step1 extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
HttpSession session = request.getSession(true);
displayPage(request,response);
}
public void displayPage(HttpServletRequest request,
HttpServletResponse response)
throws IOException{
response.setContentType("text/html; charset=GB2312");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Step 1:选择要购买的书籍</title>");
out.println("<meta http-equiv='Content-Type' ");
out.println(" content='text/html; charset=GB2312'>");
out.println("</head>");
out.println("<b><font size='4'>Step 1 : 选择要购买的书籍");
out.println("</font></b>");
out.println("<form action=' " + response.encodeURL("Step2"));
out.println(" ' method='POST'>");
out.println("<table border='1' width='60%'>");
out.println(" <tr> ");
out.println(" <td bgcolor='#008080'>");
out.println(" <font color='#FFFFFF'>书名</font>");
out.println(" </td>");
out.println(" <td align='center' bgcolor='#008080'>");
out.println(" <font color='#FFFFFF'>购买</font>");
out.println(" </td>");
out.println(" </tr>");
out.println(" <tr>");
out.println(" <td>Java in a Nutshell</td> ");
out.println(" <td align='center'>");
out.println(" <input type='checkbox' name='buy' ");
out.println(" value='Java in a Nutshell'>");
out.println(" </td>");
out.println(" </tr>");
out.println(" <tr>");
out.println(" <td>EJB Design Patterns</td> ");
out.println(" <td align='center'>");
out.println(" <input type='checkbox' name='buy' ");
out.println(" value='EJB Design Patterns'>");
out.println(" </td>");
out.println(" </tr>");
out.println(" <tr>");
out.println(" <td>Mastering Enterprise JavaBeans</td>");
out.println(" <td align='center'>");
out.println(" <input type='checkbox' name='buy' ");
out.println(" value='Mastering Enterprise JavaBeans'>");
out.println(" </td>");
out.println(" </tr>");
out.println("</table>");
out.println("<p></p>");
out.println("<input type='submit' value='继续'>");
out.println("</form>");
out.println("</html>");
}
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