繁體中文当前位置: 首页 > 图文教程 > 网络编程 > JSP > jsp源码实例2(获取表单参数）
- JSP
- Taglib原理和实现 第六章：标签内常用方法总结
- 用web_xml控制Web应用的行为(下）转贴
- 用Servlet实现下载
- 再论Session事件的捕获
- Javascript传递中文出现乱码问题
- JSP作为客户方访问CORBA服务对象
- JSF(JavaServer Faces) 介绍
- exception 隐含对象
- ServletConfig和ServletConfig参数访问.
- 正确优雅的解决用户退出问题??JSP和Struts解决方案
- JSP的9种基本内置组件
- JSP处女作:commons-fileupload-1.0.jar + Oracle数据库文件上传
- 如何给jpg图片添加水印
- 利用Ant和XDoclet自动产生映射文件例子
- Servlet设计
- 用servlet显示图片
- Web应用中避免Form重复提交的三种方案
- Web开发学习笔记
- Servlet、Jsp性能优化
- 用Javascript实现Agent(网页精灵)(1)
JSP 中的 jsp源码实例2(获取表单参数）
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-02 浏览: 37 ::
收藏到网摘: n/a
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>");
else
out.println(paramValue);
} else {
out.println("<UL>");
for(int i=0; i<paramValues.length; i++) {
out.println("<LI>" + paramValues[i]);
}
out.println("</UL>");
}
}
out.println("</TABLE>\n</BODY></HTML>");
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, respons
评论 (0) All
