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显示表单提交全部内容

摘要: 显示表单提交全部内容

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

public class ShowAllFormData
extends HttpServlet
{
public void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException
{
response.setContentType("text/html") ;
PrintWriter out = response.getWriter() ;
String title = "显示所有的Form变量的值" ;
out.println("<head>" + title + "</head>" +
"<body BGCOLOR='#FDF5E6'>" +
"

" + title + "

" +
"<table BORDER=1 ALIGN=CENTER>" +
"<tr BGCOLOR='#FFAD00'>" +
"<th>变量名称<th>变量值") ;
Enumeration paramNames = request.getParameterNames() ;
while (paramNames.hasMoreElements())
{
String paramName = (String) paramNames.nextElement() ;
out.println("<tr><td>" + paramName + "
< TD > ");
String[] paramValues = request.getParameterValues(paramName) ;
if (paramValues.length == 1)
{
String paramValue = paramValues[0] ;
if (paramValue.length() == 0)
out.print("No Value") ;
else
out.print(paramValue) ;
}
else
{
out.println("

" + paramValues[i]) ;
}
out.println("

") ;
}

}
out.println("</table> < / BODY > < / HTML > ") ;
}

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