getcontextpath:可返回站点的根路径request.getContextPath()来源: 发布时间:星期四, 2009年2月12日 浏览:288次 评论:0
package com.v512.webproject2; import java.io.IOException; import java.io.Pr  Writer; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public  LoginFormServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.  ContentType("text/html;char=utf-8"); Pr Writer out = response.getWriter ; out.pr ln("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"); out.pr ln("<HTML>"); out.pr ln(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.pr ln(" <BODY>"); out.pr ("<form method=\"post\" action=\" "+request.getContextPath+"/servlet/loginForm\" >"); out.pr ln("用户名:<input type='text' name='username' size='18'>"+"<br>"); out.pr ln("密 码:<input type='password' name='password' size='20'>"+"<br>"); out.pr ln("<input type='submit' name='submit' value='提交'>"); out.pr ("<input type='re' name='re' value='重置'>"); out.pr ("</form>"); out.pr ln("request.getContextPath" +"用来活动web应用 名字webprject2"+"<br>"); out.pr ln("用post提交方式提交到自己post"+"<br>"); out.pr ln("解决乱码request.CharacterEncoding(\"utf-8\")"+"<br>"); out.pr ln(" </BODY>"); out.pr ln("</HTML>"); out.flush ; out.close ; } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response. ContentType("text/html;char=utf-8"); Pr Writer out = response.getWriter; out.pr ln("<HTML>"); out.pr ln(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.pr ln(" <BODY>"); request. CharacterEncoding("utf-8"); out.pr ("用户名:"+request.getParameter("username")+"<br>"); out.pr ("密 码:"+request.getParameter("password")+"<br>"); out.pr ln(" </BODY>"); out.pr ln("</HTML>"); out.flush ; out.close ; } }  0
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