Serverlet是用Java编写的服务器端程序;主要用于交互地浏览和修改数据,生成动态Web内容;
一个serverlet就是一个继承于HttpServlet抽象类的Java类;下面先看一个简单的例子
import javax.servlet.*; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.*; public class HelloWorldServlet extends HttpServlet { public void service(HttpServletRequest req, HttpServletResponse res) throws IOException{ res.setContentType("text/html"); PrintWriter out = res.getWriter(); out.println("<html><head><title>Hello World!</title></head>"); out.println("<body>"); out.println("<h1>Hello World!</h1></body></html>"); } }