Class BMStringUtils

string 相关的工具类

Constructors

constructor

new BMStringUtils(): BMStringUtils
Returns BMStringUtils

Methods

`Static` isNull

isNull(str): boolean
字符串是否为空(undefined、null)
Parameters
- str: undefined | null | string
Returns boolean

`Static` isNotNull

isNotNull(str): boolean
判断字符串是否为非空。true为非空，否则false
Parameters
- str: undefined | null | string
Returns boolean

`Static` isEmpty

isEmpty(str): boolean
字符串是否为空(undefined、null、字符串长度为0)
Parameters
- str: undefined | null | string
Returns boolean

`Static` isNotEmpty

isNotEmpty(str): boolean
判断字符串是否为非空。true为非空空，否则false
Parameters
- str: undefined | null | string
Returns boolean

`Static` replace

replace(str, pattern, replacement?): string
替换字符串中匹配的正则为给定的字符串
Parameters
- str: string
  待替换的字符串
- pattern: string | RegExp
  要匹配的内容正则或字符串
- replacement: string = ''
  替换的内容
Returns string
返回替换后的字符串

`Static` replaceAll

replaceAll(str, pattern, replacement?): string
替换字符串中所有匹配的正则为给定的字符串
Parameters
- str: string
  待替换的字符串
- pattern: string | RegExp
  要匹配的内容正则或字符串
- replacement: string = ''
  替换的内容
Returns string
返回替换后的字符串

`Static` stripHtmlTags

stripHtmlTags(str): string
去除字符串中的 HTML 标签
Parameters
- str: string
  待处理的字符串
Returns string
去除标签后的字符串

`Static` startsWith

startsWith(string?, target, position?): boolean
检查字符串是否以给定的字符串开头
Parameters
- string: string = ''
  源字符串
- target: string
  要检索字符
- position: number = 0
  检索的位置
Returns boolean
如果字符串以字符串开头，那么返回 true，否则返回 false

`Static` endsWith

endsWith(str?, target, position?): boolean
检查字符串是否以给定的字符串结尾
Parameters
- str: string = ''
  源字符串
- target: string
  要检索字符
- position: number = str.length
  检索的位置
Returns boolean
如果字符串以字符串结尾，那么返回 true，否则返回 false

`Static` contains

contains(str?, target): boolean
检查字符串是否包含给定的字符串
Parameters
- str: string = ''
  源字符串
- target: string
  要检索字符
Returns boolean
如果str包含target，返回true，否则返回false

`Static` equal

equal(source, target): boolean
判断两个传入的数值或者是字符串是否相等
Parameters
- source: string | number
- target: string | number
Returns boolean

`Static` equalsIgnoreCase

equalsIgnoreCase(source, target): boolean
判断两个传入的数值或者是字符串是否相等
Parameters
- source: string | number
- target: string | number
Returns boolean

`Static` split

split(str, separator): string[]
字符串分割
Parameters
- str: undefined | null | string
  源字符串
- separator: string | RegExp
  分割符
Returns string[]
分割后的字符串数组

`Static` toLower

toLower(str?): string
转换整个字符串的字符为小写
Parameters
- str: string = ''
  要转换的字符串
Returns string
返回小写的字符串

`Static` toUpper

toUpper(str?): string
转换整个字符串的字符为大写
Parameters
- str: string = ''
  要转换的字符串
Returns string
返回小写的字符串

`Static` capitalize

capitalize(str?): string
转换字符串首字母为大写，剩下为小写
Parameters
- str: string = ''
  待转换的字符串
Returns string
转换后的

`Static` strToUint8Array

strToUint8Array(src, encoding?): Uint8Array
字符串转Uint8Array
Parameters
- src: string
  字符串
- encoding: BufferEncoding = 'utf-8'
Returns Uint8Array
Uint8Array

`Static` unit8ArrayToStr

unit8ArrayToStr(src, encoding?): string
Uint8Array转字符串
Parameters
- src: Uint8Array
  Uint8Array
- encoding: BufferEncoding = 'utf-8'
Returns string
字符串

`Static` strToHex

strToHex(hexStr): Uint8Array
16进制字符串转换unit8Array
Parameters
- hexStr: string
Returns Uint8Array

`Static` hexToStr

hexToStr(arr): string
16进制unit8Array转字符串
Parameters
- arr: Uint8Array
Returns string

`Static` strToBase64

strToBase64(src): string
字符串转Base64字符串
Parameters
- src: string
  字符串
Returns string

`Static` base64ToStr

base64ToStr(base64Str): string
Base64字符串转字符串
Parameters
- base64Str: string
  Base64字符串
Returns string

`Static` strToBuffer

strToBuffer(src, encoding?): ArrayBuffer
字符串转ArrayBuffer
Parameters
- src: string
- encoding: BufferEncoding = 'utf-8'
Returns ArrayBuffer

`Static` bufferToStr

bufferToStr(src, encoding?): string
ArrayBuffer转字符串
Parameters
- src: ArrayBuffer
- encoding: BufferEncoding = 'utf-8'
Returns string

`Static` bufferToUint8Array

bufferToUint8Array(src): Uint8Array
ArrayBuffer转Uint8Array
Parameters
- src: ArrayBuffer
Returns Uint8Array

`Static` unit8ArrayToBuffer

unit8ArrayToBuffer(src): ArrayBuffer
Uint8Array转ArrayBuffer
Parameters
- src: Uint8Array
Returns ArrayBuffer

`Static` trimParentheses

trimParentheses(str?): string
去除字符串首尾的小括号
Parameters
- str: string = ""
  待处理的字符串，默认为空字符串
Returns string
去除首尾小括号后的字符串

`Static` copyArray

copyArray(target): string[]
复制数组
Parameters
- target: undefined | null | string[]
  目标数组
Returns string[]
复制后的数组

`Static` format

format(formatString, ...values): string
字符串format方法
Parameters
- formatString: string
- Rest ...values: (undefined | null | string | number | boolean)[]
Returns string

`Static` toDouble

toDouble(str): null | number
Parameters
- str: string
Returns null | number