reference:
http://www.51js.com/viewthread.php?fpage=3&tid=26320
In the process of doing the B / S system, many customers have certain requirements for the control of the input, to improve the customer's work efficiency, and the habitual practice is to check the data items when the customer is submitted, but some customers have proposed higher. Requirements (Oh, of course, it is a more important customer). Recently, a system is made. For most inputs in the system, you will start the data type, length, etc. of the data item when entering the interface, so that I compare me The headache is the control of some floating-point data. Fortunately, there is a help of friends on the Internet, and finally solve the problem. Here is shared here, and hope to discuss, improve the scripting applications in the B / S structure.
