doublejspcontroller.java

来自「用java编写的网页文件jsp」· Java 代码 · 共 85 行

JAVA

85 行

package bbs;

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


// Import for commands used by this class
import bbs.CompoundJSPCommand;

public class DoubleJSPController
  extends javax.servlet.http.HttpServlet
  implements Serializable {

  /**
   * DoGet
   * Pass get requests through to PerformTask
   */
  public void doGet(
    HttpServletRequest request,
    HttpServletResponse response)
    throws javax.servlet.ServletException, java.io.IOException {
      performTask(request, response);
  }
  /**
   * DoPost
   * Pass get requests through to PerformTask
   */
  public void doPost(
    HttpServletRequest request,
    HttpServletResponse response)
    throws javax.servlet.ServletException, java.io.IOException {
      performTask(request, response);
  }
/**********************************************************
* Process incoming requests for information
* 
* @param request encapsulates the request to the servlet
* @param response encapsulates the response from the servlet
*/
public void performTask(
  HttpServletRequest request,
  HttpServletResponse response) {

  try {
    String board=request.getParameter("board");
    CompoundJSPCommand postList =
      (bbs.CompoundJSPCommand) java.beans.Beans.instantiate(
        getClass().getClassLoader(),
        "bbs.CompoundJSPCommand");
    postList.setBoard(board);
    postList.initialize();
    postList.execute();

    request.setAttribute("CompoundJSPCommand", postList);

    ServletContext sc = getServletContext();
    RequestDispatcher rd=null;
    if (postList.getSize()>0) {
      rd = sc.getRequestDispatcher("/JSP/BoardResults.jsp");
    } else {
      rd = sc.getRequestDispatcher("/JSP/NotFoundResults.jsp");
    }   
    rd.forward(request, response);

  } catch (Throwable theException) {
    // uncomment the following line when unexpected exceptions
    // are occuring to aid in debugging the problem.
    //theException.printStackTrace();
    response.setContentType("text/html");
    try {
      java.io.PrintWriter out = response.getWriter();
      out.println("<HTML>");
      out.println("<BODY BGCOLOR=#C0C0C0>");
      out.println("<H2>Exception Occurred</H2>");
      out.println(theException);
     out.println("</BODY></HTML>");
    } catch (Throwable exception) {
      theException.printStackTrace();
    }
  }
}
}

doublejspcontroller.java - 源码说明

本页面展示了「用java编写的网页文件jsp」中的 doublejspcontroller.java 源码文件，采用 Java 编程语言编写，共 85 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

虫虫开发者社区收录了大量与JAVA相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。

⌨️ 快捷键说明

复制代码Ctrl + C

搜索代码Ctrl + F

全屏模式F11

增大字号Ctrl + =

减小字号Ctrl + -

显示快捷键?