run servlet directly tomcat myeclipse java

1 new web project MyServlet0 by myeclipse, then copy tomcat/common/lib servlet-api.jar  and jsp-api.jar to java/jre/lib/ext

2 new a package hall

3 new HelloWorld under hall

     package hall;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class HelloWorld extends HttpServlet {
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        PrintWriter out = response.getWriter();
        out.println("Hello World");
    }
}

4 configure your web.xml

    <servlet>
        <servlet-name>HelloWorld</servlet-name>
        <servlet-class>hall.HelloWorld</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>HelloWorld</servlet-name>
        <url-pattern>/Mypath</url-pattern>
    </servlet-mapping>

5 run your project then input

     http://localhost:8080/MyServlet0/Mypath

通过参阅http://sun.cis.scu.edu.tw/~nms9115/articles/java/WebAppTutor/ServletPrimer/ServletPrimer.htm