Chinese character encoding Research series phase III, PHP function Chapter Master ord () and Chr () function application, in the previous period [PHP Basics of ASCII code comparison and character conversion] in the article to understand the ASCII
English documents:
CHR
( i
Return The string representing a character whose Unicode code point is the integer
i . For example,
CHR ($) returns the string
' a ' , while CHR (8364) returns
Talking about the comparison between chr, unichr, and ord character functions in Python, unichrord
Ord is the abbreviation of unicode ordinal, that is, number.
Chr is the abbreviation of character, that is, the character
Ord and chr convert
Chr function
Returns the character that corresponds to the specified ANSI character code.
CHR (CharCode)
The CharCode parameter is a number that can identify characters.
Description
Numbers from 0 to 31 represent standard, non-printing ASCII
Four-bit random verification code, the use of Chr functionB=[] for in range (4): import random c= Random.randint (97,122)# only lowercase ascll code range b.append (Chr (c)) d=' . Join (b) Print (d)Four-bit random verification code,
DescribeChr () returns a corresponding character by using an integer (that is, 0~255) in range (256) as a parameter.GrammarThe following is the syntax for the Chr () method:Chr (i)Parameters
I--can be 10 binary or it can be a number in the form
The CHR () function returns a corresponding character by using an integer (that is, 0~255) within range (256) as a parameter.UNICHR () is just like it, except that the Unicode character is returned, and the parameter range of the UNICHR () added
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The Ord () function is mainly used to return the ASCII code of the corresponding character, and Chr () is used mainly to denote the ASCII code corresponding to the character of his input when the number, can be in decimal or hexadecimal.Example:
Chr function
Returns the character that corresponds to the specified ANSI character code.
Chr(charcode)
The charcode parameter is a number that can identify characters.
Description
Numbers from 0 to 31 represent standard, non-printing ASCII
Functions Defined by ASC and CHR systems are available in VB and are not available in C... This is because the barcode needs to add a verification code and you need to use this conversion function. CharacterTransferASCII code: Public static int
The CHR () function uses a range (0 to 256 ~ 255) an integer is used as a parameter and a corresponding character is returned. Unichr () is the same as it, but only returns Unicode characters. The parameter range of unichr () added from Python 2.0
Chr (), unichr (), and ord ()
The chr () function uses a range (0 to 256 ~ 255) an integer is used as a parameter and a corresponding character is returned. Unichr () is the same as it, but only returns Unicode characters. The parameter range of
Chr () and ASCII () functions in Oracle (attached: characters commonly used and ASCII table)keywords: chr ()Chr () function action: Special handling of "special" charactersThe corresponding loadline and special characters can be queried in PlsqlChr (
In Oracle, the chr (38) type database oraclejavajavaEEsql chr (38) type chr () function in Oracle converts ASCII code to character: character-ASCII code; ascii () the function converts a character to an ASCII code: ASCII code-character. In oracle,
Examples of the chr unichr ord function in python, unichrord
Examples of the chr unichr ord function in python
The chr () function uses a range (0 to 256 ~ 255) an integer is used as a parameter and a corresponding character is returned. Unichr ()
The CHR function is used to convert an ASCII code to a character
The ORD function is used to convert characters to ASCII code
ASCII code is the computer can display the character encoding, its value range is 0-255, including punctuation, letters,
Chr (), UNICHR () and Ord ()The CHR () function returns a corresponding character by using an integer (that is, 0~255) within range (256) as a parameter. UNICHR () is just like it, except that the Unicode character is returned, and the parameter
Chr (), UNICHR () and Ord ()The CHR () function returns a corresponding character by using an integer (that is, 0~255) within range (256) as a parameter. UNICHR () is just like it, except that the Unicode character is returned, and the parameter
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