JavaWeb快速入门三
test2
import java.io.IOException;
import java.io.PrintWriter;
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import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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public class FirstServletextends HttpServlet {
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??? public void doGet(HttpServletRequest request, HttpServletResponseresponse)
?????????? throws ServletException, IOException {
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?????? response.setContentType("text/html");
?????? PrintWriter out = response.getWriter();
?????? out.println("<!DOCTYPEHTML PUBLIC "-//W3C//DTDHTML 4.01 Transitional//EN">");
?????? out.println("<HTML>");
?????? out.println("? <HEAD><TITLE>AServlet</TITLE></HEAD>");
?????? out.println("? <BODY>");
?????? out.print("??? This is my FirstServlet");//将会显示到页面上
?????? out.println("? </BODY>");
?????? out.println("</HTML>");
?????? out.flush();
?????? out.close();
??? }
? <servlet>
??? <servlet-name>FirstServlet</servlet-name>
??? <servlet-class>FirstServlet</servlet-class>
? </servlet>
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? <servlet-mapping>
??? <servlet-name>FirstServlet</servlet-name>
??? <url-pattern>/servlet/FirstServlet</url-pattern>
? <welcome-file-list>
??? <welcome-file>index.jsp</welcome-file>
? </welcome-file-list>
欢迎文件，就是说你直接在地址栏输入：http://localhost:8080/test2就直接可以访问到该jsp.
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好了，启动tomcat，将test2复制到tomcat的webapps中——部署web项目。在浏览器地址栏输入：http://localhost:8080/test2/servlet/FirstServlet
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页面显示：This is my FirstServlet。
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第一个servlet也完成。