showcgivariables.java

来自「《jsp网站开发技术》中的源代码(清华大学出版社)」· Java 代码 · 共 52 行

JAVA

52 行

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;


public class ShowCGIVariables extends HttpServlet {
  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
      throws ServletException, IOException {
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    String[][] variables =
      { { "AUTH_TYPE", request.getAuthType() },
        { "CONTENT_LENGTH", String.valueOf(request.getContentLength()) },
        { "CONTENT_TYPE", request.getContentType() },
        { "DOCUMENT_ROOT", getServletContext().getRealPath("/") },
        { "PATH_INFO", request.getPathInfo() },
        { "PATH_TRANSLATED", request.getPathTranslated() },
        { "QUERY_STRING", request.getQueryString() },
        { "REMOTE_ADDR", request.getRemoteAddr() },
        { "REMOTE_HOST", request.getRemoteHost() },
        { "REMOTE_USER", request.getRemoteUser() },
        { "REQUEST_METHOD", request.getMethod() },
        { "SCRIPT_NAME", request.getServletPath() },
        { "SERVER_NAME", request.getServerName() },
        { "SERVER_PORT", String.valueOf(request.getServerPort()) },
        { "SERVER_PROTOCOL", request.getProtocol() },
        { "SERVER_SOFTWARE", getServletContext().getServerInfo() }
      };
    String title = "Servlet Example: 显示CGI变量";
    out.println("<HTML><HEAD><TITLE>"+title +"</TITLE></HEAD>"+
                "<BODY BGCOLOR=\"#FDF5E6\">\n" +
                "<H1 ALIGN=CENTER>" + title + "</H1>\n" +
                "CGI Variable NameValue");
    for(int i=0; i<variables.length; i++) {
      String varName = variables[i][0];
      String varValue = variables[i][1];
      if (varValue == null)
        varValue = "<I>没有被赋值</I><br>";
      out.println( varName  + varValue+"<br>");
    }
    out.println("</BODY></HTML>");
  }

  public void doPost(HttpServletRequest request,
                     HttpServletResponse response)
      throws ServletException, IOException {
    doGet(request, response);
  }
}

showcgivariables.java - 源码说明

本页面展示了「《jsp网站开发技术》中的源代码(清华大学出版社)」中的 showcgivariables.java 源码文件，采用 Java 编程语言编写，共 52 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。

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