Vi/vim Paste Code Auto indent cause it's all messed up

Use VIM to open a blank document, and then paste the copied code into it, found that it has automatic indentation function, resulting in the pasted text line is more than one line on the right, looks mess. The quicker solution is to enter the document in command-line mode before pasting it

1. : Set Noai Nosi

then press ' I ' to enter edit mode, and then paste the copied code content so that it does not automatically indent.

Sometimes, such a method is not good to use, you can try this:

: Set Paste

Vi/vim Paste Code Auto Indent results in a total mess