When you edit a form, the data in the form changes
why
There is a reference relationship here: this.roleForm and row refer to the same object, change one, and the other is affected
this.roleForm = row
Copy the code
Shallow copy (assign address to address)
Copy: is to assign the same value to the two elements.
Let Xiao Wang have the same electric bike as you
Xiao Kao bei: matched a key to your electric car to Xiao Wang
Deep copy: send the same electric car to Xiao Wang
The solution
Change the shallow copy to the deep copy