The difference between full and half angles of input method

　　What is full angle and half angle?

(1) Full-angle---refers to a character occupying two standard character positions.

The character of Chinese characters and the characters of the whole horn and the gb2312-80 of the GB are all full-width characters in the graphic symbols and special characters. The General Department

The command is not a full-width character, but only when the word processing will use full-width characters.

(2) Half-width---refers to a character occupying a standard character position.

The usual English letters, numeric keys, symbol keys are half the corner, half the display of the inside code is a byte. Within the system, above three

Characters are processed as basic code, so users typically use half-width when they enter commands and parameters.

　　What is the difference between the full and the half-width? Under what circumstances are each used?

The Full-width occupies two bytes, and half the corner is a byte.

The Half-width whole angle is mainly for the punctuation mark, the Full-width punctuation occupies two bytes, the half angle occupies one byte, regardless is the half angle or the whole

Angle, the Chinese characters are still to occupy two bytes

Only Half-width punctuation is used in the source code of the program (excluding data inside the string)

Only half-width punctuation can be used on computers that do not support languages such as Chinese characters (in fact, there is no point in the concept of Half-width full-width)

At other times, it doesn't seem to be a very good way to tell the whole horn from the corner.

,.?'! ...... These are half horns.

，。？ ‘！ ...... These are all corners.

For most fonts, the full angle looks bigger than a half angle, but it's not the essential difference.

The whole corner is a Chinese punctuation. The half corner is in English.

　　The difference between full and half angles

The whole horn is the letter and the numeral and so on with the Chinese character occupies the equal width position the word

Half-width is the ASCII way of the characters, in the absence of the Chinese character input method to do the use of the letter number and characters are half the angle.

Examples are as follows: (keyboard input is the same, input method settings are different)

[Full Angle example] aabb1234@#$%^&*;,. ：

[Half Angle example] aabb1234@$%^&*;,.:

When the Chinese character input method appears, the letter number that is entered is the default half angle, but the punctuation is the default is the whole angle (the following figure) can pass

Click on the mouse button on the Input toolbar to change the button on the left side of the input method is to change the Chinese and English input, right

The circle and semicircle of the sides are the full-width half of the letters and numbers, and then the right ".," or ". , "is used to change the punctuation in the

English set (Chinese punctuation is full angle, English punctuation is half the corner), the rightmost keyboard icon is to display the soft keyboard, you can lose

into some special characters or other words inside the letter.

In the following figure, the first figure is the Chinese input method, half-width letters/digits, full-width punctuation marks; the second is the exact opposite.

　　About "all corners" and "half corners"

Full-angle: Refers to the gb2312-80 ("Information interchange with Chinese character coded character set, Basic Set") in the various symbols, such as a, B, C, 1,

2, 3, etc., these symbols should be understood as Chinese characters.

Half-width: Refers to the English file ASCII code in various symbols, such as a, B, C, 1, 2, 3, and so on.

In VFP commands and procedures, the command word can not be used in full angle, such as the screen command should be clear. So should be in the closed Han

Word input state, or even in the Chinese character input state, should also be in the Half-width State,

Input method status bar should be: In the state, should not be a state, can be shift+space switch.

About Chinese/English punctuation:

Chinese punctuation: such as:, "" "" "()? etc, in VFP command can not be used, such as the definition of variable name "Cao Kaihui" of the assignment

The value Statement command is:

English punctuation: such as:, "<> ()?" Wait

Name= "Cao Kaihui"

Cannot enter:

Name= "Cao Kaihui"

　　New charge: The difference of Chinese characters ' full angle and half angle

The characteristics of Chinese characters make us encounter two basic and very important concepts, that is, the full angle and half angle.

Image said, in the use of English input method, computer screen, an English character (such as "a") occupy the position, people call it "

Half angle, while the position of a Chinese character is equal to two English characters, it is called "whole angle".

In our daily use of the computer system, the initial input method generally defaults to the English input method, when the natural will be in a half corner state,

Whether it's a letter, a symbol, or a number, it always takes up one English character.