problem description Design a purchase, sale and inventory system for a medium-sized multi-store seller; in order to improve sales opportunities and reduce the production of expired goods, items will be transferred back and forth among multiple stores...
the effect to be obtained is [{ "name ": "aaa ", "id ": "1 ", "sex ", "man "}, { "name ": "bbb ", "id ": "2 ", "sex ", "woman "}, {}.] now the display is { "name ": "aaa ", "id ": "1 ", "sex ", "man "} { "name ": "bbb ", "id ": "2 ...
online also read a lot, are some more general explanations, I foolishly do not know how to start, but also hope that the great god will not hesitate to give advice, it is best to have a complete code, thank you here. (main uses jquery, but does not use...
there are three routing components in a page: the created method is called only when the routing component jumps in for the first time. Is there a method that will be called automatically every time you jump to this routing page? ...
I d like to ask about the use of session. if I have a dozen pairs of data in my application, and there are three or four other configuration parameters corresponding to each data, it has to be close to a hundred values. I think it s all saved with ses...
is exactly how to get the number of lines of existing text in textarea. ...