最近想学学java编程，java现在的应用还是挺广泛的，有必要学习一下。
# index.jsp <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>ServletValue</title> </head> <body> <form method="get" action="/JavaWeb/HelloWorld" > Name:<input type="text" name="name" /><br /> Age:<input type="text" name="age" /><br /> <input type="submit" value="submit" /> </form> </body> </html>
# com.seller.servlets HelloWorld.java package com.seller.servlets; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet("/HelloWorld") public class HelloWorld extends HttpServlet { private static final long serialVersionUID = 1L; public HelloWorld() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String name = request.getParameter("name"); String age = request.getParameter("age"); request.setAttribute("name", name); request.setAttribute("age", age); request.getRequestDispatcher("HelloWorld.jsp").forward(request, response); } }
# HelloWorld.jsp <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>ServletValue</title> </head> <body> <% String name = (String)request.getAttribute("name"); String age = (String)request.getAttribute("age"); %> Name: <%=name %><br /> Age: <%=age %> </body> </html>
eclipse目录结构:
运行效果：
