📄 requestparamexample.java
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/* * Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. *//* $Id: RequestParamExample.java,v 1.3 2004/11/14 07:35:43 tcfujii Exp $ * */package samples.webapps.simple.servlet;import java.io.*;import java.text.*;import java.util.*;import javax.servlet.*;import javax.servlet.http.*;import samples.webapps.simple.util.HTMLFilter;/** * Example servlet showing request Parameters * * @author James Duncan Davidson <duncan@eng.sun.com> */public class RequestParamExample extends HttpServlet { ResourceBundle rb = ResourceBundle.getBundle("LocalStrings"); public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<body>"); out.println("<head>"); String title = rb.getString("requestparams.title"); out.println("<title>" + title + "</title>"); out.println("</head>"); out.println("<body bgcolor=\"white\">"); // img stuff not req'd for source code html showing // all links relative // XXX // making these absolute till we work out the // addition of a PathInfo issue out.println("<a href=\"" + request.getContextPath() + "/servlets/reqparams.html\">"); out.println("<img src=\"" + request.getContextPath() + "/images/code.gif\" height=24 " + "width=24 align=right border=0 alt=\"view code\"></a>"); out.println("<a href=\"" + request.getContextPath() + "/servlets/index.html\">"); out.println("<img src=\"" + request.getContextPath() + "/images/return.gif\" height=24 " + "width=24 align=right border=0 alt=\"return\"></a>"); out.println("<h3>" + title + "</h3>"); String firstName = request.getParameter("firstname"); String lastName = request.getParameter("lastname"); out.println(rb.getString("requestparams.params-in-req") + "<br>"); if (firstName != null || lastName != null) { out.println(rb.getString("requestparams.firstname")); out.println(" = " + HTMLFilter.filter(firstName) + "<br>"); out.println(rb.getString("requestparams.lastname")); out.println(" = " + HTMLFilter.filter(lastName)); } else { out.println(rb.getString("requestparams.no-params")); } out.println("<P>"); out.print("<form action=\""); out.print("RequestParamExample\" "); out.println("method=POST>"); out.println(rb.getString("requestparams.firstname")); out.println("<input type=text size=20 name=firstname>"); out.println("<br>"); out.println(rb.getString("requestparams.lastname")); out.println("<input type=text size=20 name=lastname>"); out.println("<br>"); out.println("<input type=submit>"); out.println("</form>"); out.println("</body>"); out.println("</html>"); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { doGet(request, response); }}⌨️ 快捷键说明
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