getpostparam.java

来自「《Java程序设计入门教程》中国青年出版社 一书配套光盘」· Java 代码 · 共 28 行

/*********************** GetPostParam.java ***************/
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class GetPostParam extends HttpServlet
  {
  public void doPost(HttpServletRequest req,
                     HttpServletResponse res)
  throws ServletException, IOException
    {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();
    if ("application/x-www-form-urlencoded".equals(
       req.getContentType()))
      {
      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]);
        }
      }
    }
  }