JavaScript格式化字符串工具

Several programming languages implement a sprintf function, to output a formatted string. It originated from the C programming language, printf function. Its a string manipulation function.

This is limited sprintf Javascript implementation. Function returns a string formatted by the usual printf conventions. See below for more details. You must specify the string and how to format the variables in it. Possible format values:

%% – Returns a percent sign

%b – Binary number

%c – The character according to the ASCII value

%d – Signed decimal number

%f – Floating-point number

%o – Octal number

%s – String

%x – Hexadecimal number (lowercase letters)

%X – Hexadecimal number (uppercase letters)

Additional format values. These are placed between the % and the letter (example %.2f):

+ (Forces both + and – in front of numbers. By default, only negative numbers are marked)

– (Left-justifies the variable value)

0 zero will be used for padding the results to the right string size

[0-9] (Specifies the minimum width held of to the variable value)

.[0-9] (Specifies the number of decimal digits or maximum string length)

If you plan using UTF-8 encoding in your project don’t forget to set the page encoding to UTF-8 (Content-Type meta tag), and use Javascript UTF-8 utility found on this website.

原文链接: http://www.webtoolkit.info/javascript-sprintf.html

下载:

webtoolkit.sprintf.js

http://download.csdn.net/source/1972105