jsp复习资料（23）
2017-1-22编辑:ljnbset
编写一个简单的Servlet
HelloServlet.java文件的代码，它实现了在浏览器中输出指定的信息。
1 package com.jsp.chap08;
2
3 import java.io.IOException;
4 import java.io.PrintWriter;
5
6 import javax.servlet.ServletException;
7 import javax.servlet.http.HttpServlet;
8 import javax.servlet.http.HttpServletRequest;
9 import javax.servlet.http.HttpServletResponse;
10
11 public class HelloServlet extends HttpServlet {
12
13 public void service(HttpServletRequest req,
14 HttpServletResponse res) throws IOException {
15 res.setContentType("text/html");
16 PrintWriter out = res.getWriter();
17 out.println("<html><head><title>Hello World!</title></head>");
18 out.println("<body>");
19 out.println("<h2><center>Hello World!</center></h2></body></html>");
20 }
21 }