Always show the item undefined, but I was defined, I want to know where there are problems, I really don't understand, what a great god can help me

CodePudding user response:

Where an error is not the item. The uid?

I), function (item an I do what the statement

CodePudding user response:

reference 1st floor jio's reply:

where an error is not the item. The uid?

Function (item, I) line statement an I do

I like is to get id automatic growth