第二个页面：post 方法中文处理
<%@ include file="Head.jsp"%>
<%
request.setCharacterEncoding("GBK");
String p_name = request.getParameter("p_name");
double p_price = Double.parseDouble(request.getParameter("p_price"));
double p_weight = Double.parseDouble(request.getParameter("p_weight"));
String p_desc = request.getParameter("p_desc");
out.println(p_name);
%>
