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zb-fjs

v1.1.13

Published

工具项目

Downloads

11

Readme

zb-fjs

工具函数项目

npm install zb-fjs --save

deep-clone

深拷贝函数 使用方法:

import { deepClone } from 'zb-fjs'

deepClone(obj)

输出的值是深拷贝之后的值,详情请看博客实现一个深拷贝函数

precision

解决计算机精度问题 使用方法:

import { precision } from 'zb-fjs'

/**
 * 小数点后面保留第 n 位
 *
 * @param x 做近似处理的数
 * @param n 小数点后第 n 位
 * @returns 近似处理后的数
 */
precision(num, n)

详情:JS 精度问题总结

debounce

防抖和节流,使用方法:

import { debounceAt, debounce, throttleAt, throttle } from 'zb-fjs'

class a {
  //参数number类型 延迟时间,默认300,第二参数boolean类型,第一次点击是否立即执行   throttleAt同
  @debounceAt(500, true)
  click() {
    //click
  }
  @throttleAt(500)
  click2() {
    //click2
  }
}

objClearUndefined

清除 object 中 不存在的属性

使用方法:

import { objClearUndefined } from 'zb-fjs'

const obj = {
  a: 123,
  b: '',
  c: undefined
}

objClearUndefined(obj) // => { a: 123 }

timeFormat

时间格式化 分->时+分

import { timeFormat } from 'zb-fjs'

timeFormat(70) // => 1小时10分钟
timeFormat(70, 'obj') // => { h:1,min:10 }

dateFormat

时间格式化 年-Y 月-M 日-D 小时-H 分-m 秒-s 毫秒-S

import { dateFormat } from 'zb-fjs'

dateFormat('1993-11-11T12:00:00', 'YYYY.MM.DD HH:mm:ss') // => 1993.11.11 12:00:00
dateFormat('1993-11-11T12:00:00', 'YYYY-MM-DD HH:mm:ss') // => 1993-11-11 12:00:00

moneyFormat

金钱格式化(分)

import { moneyFormat } from 'zb-fjs'

moneyFormat(230) // => { yuan:2, fen:30 }

lineClamp

canvas 中文字的换行和限定行数

接受 context 参数, text:渲染文字,x,y 坐标,line 行数,maxWidth:最大宽度,lineHeight: (文字高度+行间距)

import { lineClamp } from 'zb-fjs'

lineClamp(ctx, text, x, y, line, maxWidth, lineHeight)

sumArr

数组求和
将数组中的所有数字或者数字字符串相加,返回 number 类型

import { sumArr, sumObjArr } from 'zb-fjs'

sumArr([1, 3, 4, 5, 6]) // 19
sumObjArr([{ a: 1 }, { a: 2 }, { a: 3 }], 'a') // 6

objEquar

对象是否相等

import { objEquar } from 'zb-fjs'

objEquar({a: '123',b: {c:'aaa',d: [1,2]},{a:'123',b: {c:'aaa',d: [1,2]}}})

arrEquar

数组是否相等

import { arrEquar } from 'zb-fjs'

arrEquar([1, 2], [1, 2])
arrEquar([1, 1], [1, 2])
arrEquar([1, 2, { a: '12' }], [1, 2, { a: '12' }])

objArrRepeat

对象数组根据 key 去重

import { objArrRepeat } from 'zb-fjs'

objArrRepeat([{ name: '1' }, { name: '2' }, { name: '1' }], 'name')

getQuery

获取 url 上的 query 参数

import { getQuery } from 'zb-fjs'

getQuery('name')

flat

数组扁平化, 接受参数 1 数组, 2:拍平层级,默认展开所有

import { flat } from 'zb-fjs'

flat(arr, 1)

getCountDown 倒计时

1.1.5

import { getCountDown } from 'zb-fjs'

getCountDown('2020-6-12 11:00:00', 'format')

base64Encode base64Decode base64加密、解密

1.1.8

import { base64Encode, base64Decode } from 'zb-fjs'

base64Encode('123')
base64Decode('MTIz')