使用MyEclipse建立一個Servlet步驟
阿新 • • 發佈：2019-01-02
場景:使用MyEclipse建立一個Servlet步驟
第一種方式使用嚮導建立
1.開啟IDE, 選擇 File->New->Web Project
2.填寫專案名稱,點選Finish
3.專案結構如圖
4.使用Servlet Wizard建立,選擇 File->New->others... 點選進入如下向導框
5.填寫專案
6.點選Finish完成即可
7.可以看到生成TestServletWizardDemo類繼承了HttpServlet
public class TestServletWizardDemo extends HttpServlet { /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"); out.println("<HTML>"); out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.println(" <BODY>"); out.print(" This is "); out.print(this.getClass()); out.println(", using the GET method"); out.println(" </BODY>"); out.println("</HTML>"); out.flush(); out.close(); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"); out.println("<HTML>"); out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.println(" <BODY>"); out.print(" This is "); out.print(this.getClass()); out.println(", using the POST method"); out.println(" </BODY>"); out.println("</HTML>"); out.flush(); out.close(); } }
8.同時web.xml中自動添加了配置
<servlet> <display-name> </display-name> <servlet-name>TestServletWizardDemo</servlet-name> <servlet-class>com.zbz.TestServletWizardDemo</servlet-class> </servlet> <servlet-mapping> <servlet-name>TestServletWizardDemo</servlet-name> <url-pattern>/servlet/TestServletWizardDemo</url-pattern> </servlet-mapping>
9. 啟動服務,根據以上資訊可以組裝url在瀏覽器訪問 http://127.0.0.1:8080/TestDemo/servlet/TestServletWizardDemo
第二種方式,不用嚮導建立
1.在上面建立專案中建立類TestServletDemo,手動新增實現HttpServlet
public class TestServletDemo extends HttpServlet{ private static final long serialVersionUID = -5956706735123527929L; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); /**中文亂碼*/ response.setHeader("Content-type", "text/html;charset=UTF-8"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"); out.println("<HTML>"); out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.println(" <BODY>"); out.print(" This is "); String str ="這是手動建立的servlet"; out.println(str); out.println(" </BODY>"); out.println("</HTML>"); out.flush(); out.close(); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request,response); } }
2. 在web.xml中配置servlet
<!-- 手動配置servlet start -->
<servlet>
<display-name>
</display-name>
<servlet-name>testServlet</servlet-name>
<servlet-class>com.zbz.TestServletDemo</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>testServlet</servlet-name>
<url-pattern>/test</url-pattern>
</servlet-mapping>
<!-- 手動配置servlet end -->3.啟動服務,根據以上資訊可以組裝url在瀏覽器訪問 http://127.0.0.1:8080/TestDemo/test
以上TKS.