package test;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Test extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out=response.getWriter();
out.println(" This is a servlet test.
");
out.flush();
}
} 2. 编译文件生成 Test.class
3 .将结构test\Test.class剪切到C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\servlets-examples\WEB-INF\classes下,即剪切test目录到classes目录下,如果不存在就新建一个。 现在webapps\servlets-examples\WEB-INF\classes下有test\Test.class的文件目录结构
4 .修改webapps\myapp\WEB-INF\web.xml,即向web.xml中添加如下servlet和servlet-mapping
<servlet></servlet>
<servlet-name></servlet-name>HelloServlet
<display-name></display-name>Test
<description></description>A test Servlet
<servlet-class></servlet-class>test.Test
<servlet></servlet><servlet-mapping></servlet-mapping>
<servlet-name></servlet-name>HelloServlet
url-pattern>/Test
<servlet-name></servlet-name>
servlet这一段声明了你要调用的Servlet,而servlet-mapping则是将声明的servlet"映射"到地址/Test上
5 .重启动Tomcat,启动浏览器,输入http://localhost:8080/servlets-examples/Test(servlets-examples要与第二步3中servlets-examples一致起来)如果看到输出This is a servlet test.就说明编写的servlet成功了。