Sail soft statements can realize the multilevel menu, please, that is, page displays a menu interface, and then click a field such as dean of the query, and then a bar option, there are several fields, then click on the query in a field such as door station, another bar, then click on the inside of the fields, such as outpatient service charge, and then a interface has a start date can choose the date above, also can choose a date and end date, then after setting, click on the query, will show the information,
This can be achieved, how to implement