Switch between full-width and half-width Chinese and English Punctuation Marks in the input method

I. Switch the key combination by default

The key combination of fullwidth and halfwidth conversion is SHIFT + Space key.

The switch key combination of Chinese and English Punctuation Marks is: Ctrl + Period

Ii. Significance of full-width and half-width Differentiation

Full angle: refers to the GB2312-80 ("information exchange with Chinese character encoding Character Set-basic set") in a variety of symbols.
Halfwidth: it refers to the symbols in the ASCII code of English files.
The width occupies two bytes, and the width occupies one byte.
Generally, English letters, number keys, and symbol keys are half-width, and the half-width display inner code is one byte. System commands do not use full-width characters. When you enter commands and parameters, the base uses half-width characters. Only half-width punctuation marks can be used in the source code of the program.