java源码实例2(获取表单参数)

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package coreservlets;import java.io.*;import javax.servlet.*;import javax.servlet.http.*;import java.util.*;/** Shows all the parameters sent to the servlet via either* GET or POST. Specially marks parameters that have* no values or multiple values.* <P>* Taken from Core Servlets and JavaServer Pages* from Prentice Hall and Sun Microsystems Press,* http://www.coreservlets.com/.* © 2000 Marty Hall; may be freely used or adapted.*/public class ShowParameters extends HttpServlet {public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {response.setContentType("text/html");PrintWriter out = response.getWriter();String title = "Reading All Request Parameters";out.println(ServletUtilities.headWithTitle(title) +"<BODY BGCOLOR=\&;#FDF5E6\&;>\n" +"<H1 ALIGN=CENTER>" + title + "</H1>\n" +"<TABLE BORDER=1 ALIGN=CENTER>\n" +"<TR BGCOLOR=\&;#FFAD00\&;>\n" +"<TH>Parameter Name<TH>Parameter Value(s)");Enumeration paramNames = request.getParameterNames();while(paramNames.hasMoreElements()) {String paramName = (String)paramNames.nextElement();out.print("<TR><TD>" + paramName + "\n<TD>");String[] paramValues =request.getParameterValues(paramName);if (paramValues.length == 1) {String paramValue = paramValues[0];if (paramValue.length() == 0)out.println("<I>No Value</I>");elseout.println(paramValue);} else {out.println("<UL>");for(int i=0; i<paramValues.length; i++) {out.println("<LI>" + paramValues);}out.println("</UL>");}}out.println("</TABLE>\n</BODY></HTML>");}public void doPost(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}

到此这篇关于javascriptp源码实例2(获取表单参数)就介绍到这了。在心甘情愿的浪费的过程里,青春渐渐逝去,直到消失,而我们却继续着在青春上所遗留的习惯却不自知。不知道我们在重复着浪费的举动,也不知道自己其实要给青春交出答卷,更不知道要用何种方式去祭奠青春。更多相关javascriptp源码实例2(获取表单参数)内容请查看相关栏目,小编编辑不易,再次感谢大家的支持!

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