?? displayservlet.java
字號:
package com.wrox.servlets;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class DisplayServlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.println("<html><head><title>Example</title></head><body>");
out.println("Query String being processed:<p>");
out.println(req.getQueryString());
out.println("<p>");
out.println("Request Parameters:<p>");
Enumeration enumParam = req.getParameterNames();
while (enumParam.hasMoreElements()) {
String paramName = (String) enumParam.nextElement();
String paramValues[] = req.getParameterValues(paramName);
if (paramValues != null) {
for (int i = 0; i < paramValues.length; i++) {
out.println(paramName + " (" + i + "): " + paramValues[i]
+ "<p>");
}
}
}
out.println("</body></html>");
out.close();
}
}
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