<form action="doservlet" method="post">
姓名：<input name="user_name"><br>
性別<input type="radio" value="man" name="sex">男 <input type="radio" value="women" name="sex">女<Br />
愛好：<input type="check" name="likes" value="運動" />運動
<input type="check" name="likes" value="讀書" />讀書
<input type="check" name="likes" value="音樂" />音樂
<input type="check" name="likes" value="書法" />書法
</form>
servlet：
iimport java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class doservlet extends HttpServlet {
/**
* Constructor of the object.
*/
public doservlet() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out
.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the GET method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String name = null;
String sex = null;
String likes[] = null;
name=request.getParameter("user_name");
sex=request.getParameter("sex");
likes=request.getParameterValues("likes");
request.getSession().setAttribute("user_name", name);
request.getSession().setAttribute("sex", sex);
request.getSession().setAttribute("like",likes);
//把請求過來的數據放在session裏
response.sendRedirect("目的頁");
//在目的頁中通過session的 getAttribute方法取出來即可
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occure
*/
public void init() throws ServletException {
// Put your code here
}
}