1.dologin.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% request.setCharacterEncoding("utf-8"); String uname=request.getParameter("uname"); String gender=request.getParameter("gender"); out.print(uname); out.print(gender); String [] cns = request.getParameterValues("cn"); String [] cks = request.getParameterValues("ck"); if(cns!=null){ for(String cn:cns){ out.print(cn); } }else{ request.getRequestDispatcher("NewFile1.jsp").forward(request, response); } if(cks!=null){ for(String ck:cks){ out.print(ck); } }else{ request.getRequestDispatcher("NewFile1.jsp").forward(request, response); } %>
2.NewFile.jsp 请求转发页面
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <form action="dologin.jsp" method="post"> 用户名:<input name="uname"> 性别：<input type="radio" name="gender" value="男">男 <input type="radio" name="gender" value="女">女 <select name="cn" > <option value="赵钱">赵钱</option> <option value="孙李">孙李</option> <option value="周吴">周吴</option> <option value="郑王">郑王</option> </select> <input type="checkbox" value="小明" name="ck">小明 <input type="checkbox" value="笑话" name="ck">笑话 <input type="checkbox" value="晓红" name="ck">晓红 <input type="checkbox" value="小白" name="ck">小白 <input type="submit" value="登陆"> </form> </body> </html>