Change studentNum checking policy.
Add play sound method into manage.js
Add soundSpan into manage.html
Fix a problem in shop form submit;
Fix a little problem in shop type choosing page.
Ignore deleted items in shop statistics.
Fix a problem in previous commit;
Add refresh statistics on item deletion;
Fix a problem in EChart encapsulation.
Improve image cropping functionality and some logic for manage.html.
Add sound notification on shop order coming;
Open 'get' http request;
Improve non-image judgement in image cropping;
Set html pages noncache.
Change maximum of minPrice of shop.
Improve form validation;
Change order alert strategy.
添加订单打印页面
Improve experience of updating shop bulletin;
Improve html form validation.
Fix a bug in chart view.
修改了orderPrint页面
订单打印的一个可用版本
Finish order printing functionality.
Add action /Shop/GetOrderDetails;
Merge printer.js into orderPrint.html;
Add recommended browsers in /Shop/login.html;
Fix a cross-browser compatibility problem in image cropping;
Optimize UI component in manage.html;