在servlet中包含jsp的內容

Question

我有這個servlet：

public class SaveImage extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        PrintWriter out = null;
        try {
            out = response.getWriter();
            out.println("<html>");
            ...

            // I want to include here the content of this jsp:
            // /WEB-INF/mybox.jsp
            // (also, with the full context of the servlet)

            ...
            out.println("</html>");
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

這樣做是否有問題（響應已經提交？），我該怎么做？

Answer 1

request.getRequestDispatcher("/WEB-INF/my.jsp").include(request, response);

但你不應該像這樣輸出html的servlet。 只需使用帶有<jsp:include />或<%@ include file=".." %> <jsp:include />

Answer 2

感謝ozho，您已幫助我為2歲的待定項目提供最終形狀。 謝謝。 實際上要將tomcat的請求從sun web server 7重定向到應用服務器，因為jsps沒有直接在tomcat中顯示，技術是在app.config中使用passthrough並讓tomcat處理請求。

            import java.io.IOException;

            import javax.servlet.RequestDispatcher;
            import javax.servlet.ServletContext;
            import javax.servlet.ServletException;
            import javax.servlet.http.HttpServlet;
            import javax.servlet.http.HttpServletRequest;
            import javax.servlet.http.HttpServletResponse;

            /**
             * Servlet implementation class MY... Parvez Ahmad Hakim
             */
            public class MY extends HttpServlet {
                private static final long serialVersionUID = 1L;

                /**
                 * @see HttpServlet#HttpServlet()
                 */
                public MY() {
                super();
                // TODO Auto-generated constructor stub
                }

                /**
                 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
                 */
                protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {    


                    String pageName =request.getParameter("req");       
                    if(pageName==null){ 
                        pageName="IC_LIC_Login.jsp";// default page
                    }
                    request.getRequestDispatcher(pageName).include(request, response);



                }

                /**
                 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
                 */

                protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {      
                    String pageName =request.getParameter("req");       

                    request.getRequestDispatcher(pageName).include(request, response);
                }


            }

在servlet中包含jsp的內容

問題描述

2 個解決方案

解決方案1
13 已采納 2011-02-13 16:16:40

解決方案2
2

在servlet中包含jsp的內容

問題描述

2 個解決方案

解決方案1 13 已采納 2011-02-13 16:16:40

解決方案2 2

解決方案1
13 已采納 2011-02-13 16:16:40

解決方案2
2