Java 在servlet中包含jsp的内容_Java_Jsp_Servlets_Include

Java 在servlet中包含jsp的内容

java jsp servlets

Java 在servlet中包含jsp的内容,java,jsp,servlets,include,Java,Jsp,Servlets,Include,我有一个servlet： public class SaveImage extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter out = null; try { out = respo

我有一个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();
        }
    }
}

public类SaveImage扩展了HttpServlet{
受保护的void doGet（HttpServletRequest请求，HttpServletResponse响应）抛出ServletException，IOException{
PrintWriter out=null；
试一试{
out=response.getWriter（）；
out.println（“”）；
...
//我想在这里包括此jsp的内容：
///WEB-INF/mybox.jsp
//（同样，使用servlet的完整上下文）
...
out.println（“”）；
out.close（）；
}捕获（IOE异常）{
e、 printStackTrace（）；
}
}
}

这样做是否有问题（已提交响应？）

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

但是您不应该使用servlet来输出那样的html。只需使用jsp，使用

或

谢谢ozho，您帮助我为2年的未决项目提供了最终的形状。谢谢
实际上，要将tomcat的请求从sun web server 7重定向到application server，因为JSP不会直接显示在tomcat中，所以技术是在app.config中使用一个passthrough，让tomcat处理请求
            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);
                }


            }

你好，Bozho，我们可以使用request.getRequestDispatcher（）.include（）和参数集（而不是属性）吗？例如，当我们使用时，我们可以设置参数。可能吗？谢谢你的帮助。