📄 parametersviewservlet.java
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package com.allanlxf.serv.basic;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class ParametersViewServlet extends HttpServlet
{
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>register</title>");
out.println("</head>");
out.println("<body>");
out.println("<h3 align=\"center\">All parameters in current rquest</h3>");
out.println("<hr>");
out.println("<ul>");
java.util.Enumeration paramNames = request.getParameterNames();
while(paramNames.hasMoreElements())
{
String name = (String)paramNames.nextElement();
String[] values = request.getParameterValues(name);
String str = "";
for(int i = 0; i < values.length; i++)
{
if(i > 0)
{
str += ",";
}
str += values[i];
}
out.println("<li>" + name + ":" + str + "</li>");
}
out.println("</ul>");
out.println("<h1>" + request.getQueryString() + "</h1>");
out.println("</body>");
out.println("</html>");
out.close();
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
doPost(request, response);
}
}⌨️ 快捷键说明
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