vim - 在Vim中复制整行(Duplicate a whole line in Vim)

Question

如何以类似于IntelliJ IDEA / Resharper中的Ctrl + D或Eclipse中的Ctrl + Alt + ↑ / ↓的方式在Vim中复制整行？

  ask by sumek translate from so

Answer 1

y y or Y to copy the line (mnemonic: y ank )

(y y或Y复制行（助记符： y ank ）)
or

(要么)
d d to d elete the line (Vim copies what you deleted into a clipboard-like "register", like a cut operation)

(d d到d elete行（VIM拷贝你删除到剪贴板中，如“注册”，如剪切操作）)

then

(然后)

p to p aste the copied or deleted text after the current line

(p至p ASTE复制或在当前行之后删除的文本)
or

(要么)
P to p aste the copied or deleted text before the current line

(P至P ASTE复制或当前行之前删除的文字)