getparam.java

来自「java程序设计入门教程 书上的源代码 学习JAVA非常好的入门教材代码推荐给」· Java 代码 · 共 28 行

/******************** GetParam.java *******************/
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class GetParam extends HttpServlet
  {
  public void doGet(HttpServletRequest req,
                    HttpServletResponse res)
  throws ServletException, IOException
    {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();
    out.println("Query String:");
    out.println(req.getQueryString());
    out.println();
    out.println("Client Request Parameter:");
    Enumeration e = req.getParameterNames();
    while (e.hasMoreElements())
      {
      String name = (String) e.nextElement();
      String values[] = req.getParameterValues(name);
      for (int i = 0; i < values.length; i++)
        out.println(name + " (" + i + "): " + values[i]);
      }
    }
  }