ʹ˵
1  indexҳǴ֧url,ʹItemUrlƴһurl
   indexҳĲѾǱҪԲ޸ġ΢
   ԼվӦıֵӦ漴ɣ磺
   String out_trade_no		= date.getOrderNum();	
   ͻţȡϵͳʱ䣬UtilDateеgetOrderNum()ΪţⲿţԼĶ
   
   
2  alipay_notify.jspΪ֧֪ͨ
   ԶӦnotify_urláݽͨݽpostϢ첽شҳ棬
   Ҫͻ첽شҳ洦صݴȻÿһҪظ֧successܰHTMLűԣҳת
   شOKôֵΪ֧24Сʱ֮ڷ6~10νϢظͻվֱ֧success
   
3  alipay_return.jspΪ֧֪ͨ
   ֧ͨgetʽתַҴвҳ档һֿӻķأieҳתֻ֪ͨҪ֧ɹ
   ͻȡϢܵҲӰ졣֧ɺͻӦȽ
   ʾ֧ʾġʱ֧ɹʱرҳ棬ôͻվǻȡϢ߳Ϊ 
   شһԵȡ֧ɹŵȡͬش

4  첽ͬд־Ķ뵽srcµcom.alipay.utilߵSignatureHelper_returnͬSignatureHelper  첽signид־Ķ
  
5  ڽӿǲûнҵջϢд룬Ҫ뽫Ϣ룺
        /*ջϢ*/
	String receive_name = "֧";  //ջ
	String receive_address = "Ϻг·1027׷㳡29¥";  //ջ˵ַ
	String receive_zip = "200050";  //ջʱ
	String receive_phone = "057188156688";  //ջ˵绰
	String receive_mobile = "";  //ջֻ
   ͬҪ޸srccom.alipay.utilеPayment.javaࡣ

6 javaҪע⣬һҪȥfilter,
  ע⣺һҪweb.xmlùÿĿжֱӴ
webcontentļ£web-infļµweb.xmlļ
  Բο£
   http://blog.csdn.net/lixinye0123/archive/2006/03/26/639402.aspx
  磺
  <filter>
		<filter-name>Set Character Encoding</filter-name>
		<filter-class>filters.SetCharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>GBK</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>Set Character Encoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
