Copy and paste between two different vim files

When we copy and paste two different vim files and use vim for editing, if we open two different vim files, in this case, you cannot use yy and p to copy and paste the two Vim windows. in this case, you need to split the windows and then copy and paste them. The procedure is as follows... when we copy and paste two different vim files and use vim for editing, if we open two different vim files, in this case, you cannot use yy and p to copy and paste the two Vim windows. in this case, you need to split the windows and then copy and paste them. The procedure is as follows: assume we have two files to edit: a and B 1. split: open a first, and then enter sp 2 in the command interface. open: Enter e B to open B 3. switch window: CTRL + w, and enter j or w to switch the window. 4. valid copy: If you want to copy a function to another window, perform the following operations: 1) locate the start: find the function entry or exit "{", enter Shift + V to the visualization mode. 2) locate the position and end with "%". The entire function is selected. 3) copy and paste the function normally.