Class Ext.util.Format

Package:	Ext.util
Class:	Format
Extends:	Object
Defined In:	Format.js

Reusable data formatting functions

This class is a singleton and cannot be created directly.

属性 - 方法 - 事件

公共属性

此类没有公共属性。

公共方法

方法		定义对象
	capitalize(`String value`) : String	Format
	Converts the first character only of a string to upper case	Format
	date(`Mixed value`, [`String format`]) : String	Format
	Parse a value into a formatted date using the specified format pattern.	Format
	dateRenderer(`String format`) : Function	Format
	Returns a date rendering function that can be reused to apply a date format multiple times efficiently	Format
	ellipsis(`String value`, `Number length`) : String	Format
	Truncate a string and add an ellipsis ('...') to the end if it exceeds the specified length	Format
	htmlEncode(`String value`) : String	Format
	Convert certain characters (&, <, >, and ') to their HTML character equivalents for literal display in web pages.	Format
	lowercase(`String value`) : String	Format
	Converts a string to all lower case letters	Format
	stripTags(`Mixed value`) : String	Format
	Strips all HTML tags	Format
	substr(`String value`, `Number start`, `Number length`) : String	Format
	Returns a substring from within an original string	Format
	trim(`String value`) : String	Format
	Trims any whitespace from either side of a string	Format
	undef(`Mixed value`) : Mixed	Format
	Checks a reference and converts it to empty string if it is undefined	Format
	uppercase(`String value`) : String	Format
	Converts a string to all upper case letters	Format
	usMoney(`Number/String value`) : String	Format
	Format a number as US currency	Format

公共事件

此类没有公共事件。

方法详情

capitalize

public function capitalize(String value)

Converts the first character only of a string to upper case

参数：

value : String
The text to convert

返回：

String
The converted text

This method is defined by Format.

date

public function date(Mixed value, [String format])

Parse a value into a formatted date using the specified format pattern.

参数：

value : Mixed
The value to format
format : String
（可选） Any valid date format string (defaults to 'm/d/Y')

返回：

String
The formatted date string

This method is defined by Format.

dateRenderer

public function dateRenderer(String format)

Returns a date rendering function that can be reused to apply a date format multiple times efficiently

参数：

format : String
Any valid date format string

返回：

Function
The date formatting function

This method is defined by Format.

ellipsis

public function ellipsis(String value, Number length)

Truncate a string and add an ellipsis ('...') to the end if it exceeds the specified length

参数：

value : String
The string to truncate
length : Number
The maximum length to allow before truncating

返回：

String
The converted text

This method is defined by Format.

htmlEncode

public function htmlEncode(String value)

Convert certain characters (&, <, >, and ') to their HTML character equivalents for literal display in web pages.

参数：

value : String
The string to encode

返回：

String
The encoded text

This method is defined by Format.

lowercase

public function lowercase(String value)

Converts a string to all lower case letters

参数：

value : String
The text to convert

返回：

String
The converted text

This method is defined by Format.

stripTags

public function stripTags(Mixed value)

Strips all HTML tags

参数：

value : Mixed
The text from which to strip tags

返回：

String
The stripped text

This method is defined by Format.

substr

public function substr(String value, Number start, Number length)

Returns a substring from within an original string

参数：

value : String
The original text
start : Number
The start index of the substring
length : Number
The length of the substring

返回：

String
The substring

This method is defined by Format.

trim

public function trim(String value)

Trims any whitespace from either side of a string

参数：

value : String
The text to trim

返回：

String
The trimmed text

This method is defined by Format.

undef

public function undef(Mixed value)

Checks a reference and converts it to empty string if it is undefined

参数：

value : Mixed
Reference to check

返回：

Mixed
Empty string if converted, otherwise the original value

This method is defined by Format.

uppercase

public function uppercase(String value)

Converts a string to all upper case letters

参数：

value : String
The text to convert

返回：

String
The converted text

This method is defined by Format.

usMoney

public function usMoney(Number/String value)

Format a number as US currency

参数：

value : Number/String
The numeric value to format

返回：

String
The formatted currency string

This method is defined by Format.