jfinal weixin攔截器對分享朋友圈的統一處理

微信服務號應用每一個頁面均可以點擊右上角分享本頁面給朋友，如須要統一處理限定分享結果，能夠經過分享攔截器實現。

public class ShareInterceptor implements Interceptor {
	private static Logger log = Logger
			.getLogger(ShareInterceptor.class);

	@Override
	public void intercept(Invocation ai) {
		ApiConfig ac = new ApiConfig();
		ac.setToken(PropKit.get("token"));
		ac.setAppId(PropKit.get("appId"));
		ac.setAppSecret(PropKit.get("appSecret"));
		ApiConfigKit.setThreadLocalApiConfig(ac);
		Controller contro = (Controller) ai.getController();
		HttpServletRequest request = contro.getRequest();
		String url = PropKit.get("weixin_uri")+ai.getActionKey()+"?"+request.getQueryString();
		JsTicket jsapi_ticket = JsTicketApi.getTicket(JsApiType.jsapi);
		String ticket = jsapi_ticket.getTicket();
		Map<String, String> signMap = WxUtil.sign(ticket,url);
		signMap.put("appId", PropKit.get("appId"));
		request.setAttribute("signMap", signMap);	
		ai.invoke();
	}	
}

若是須要全局攔截，就在configInterceptor時設置，若是隻對單個action攔截，就在action前@Before便可；同理能夠處理其餘微信api支持的操做。