以前一直用的JDK6+Servlet2.0,
最近改前端开发了,但是对Java仍旧情有独钟,下载了新的JDK7,想玩玩Spring MVC结果发现从Servlet3.0以后支持注解
package com.servlet; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class TestServlet */ @WebServlet("/test") public class TestServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public TestServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doPost(request, response); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse * response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); String name = request.getParameter("name"); String age = request.getParameter("age"); if ("".equals(name) || "".equals(age)) { response.sendRedirect("failed.jsp"); } else { response.sendRedirect("success.jsp"); } } }
方式设置URLPartten,虽然感觉在抄袭Spring,但是这样的确减少了WEB.XML内容,我个人比较喜欢!哈哈,在此记一笔,日后再更新其他好玩的特性,\(^o^)/~
顺便也把前端页面放这,对比着看:
<form action="test"> <table> <tbody> <tr> <td><label for="name">姓名:</label></td> <td><input type="text" name="name" /></td> </tr> <tr> <td><label for="age">年龄:</label></td> <td><input type="number" name="age" min=0 max=150 /></td> </tr> <tr> <td><input type="submit" value="提交" /></td> </tr> </tbody> </table> </form>