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@tmaito/utils

v0.4.14

Published

utils 工具包

Downloads

12

Readme

@tmaito/utils NPM version NPM Downloads

Fast, generic JavaScript/node.js utility functions.

Install

npm i @tmaito/utils
// or
yarn add @tmaito/utils

Usage

import * as Utils from '@tmaito/utils'

// or

import { formatTime, ...} from '@tmaito/utils'

Api 文档

formatTime(timestamp, format) 时间格式化
  • timestamp 时间戳或者年月日拼接字符串(🌰20200220200218)
  • format 自定义转化格式,默认 YYYY-MM-DD ,例如:'YYYY-MM-DD'、'YYYY/MM/DD'、'YYYYMMDD'、'YYYY-MM-DD hh:mm:ss'等

若传入非日期格式,则直接返回该值, 若传入错误的日期格式,则返回 YYYY-MM-DD hh:mm:ss 格式

randomNum(min, max) 两个数间的随机数
  • min 最小值
  • max 最大值
smalltoBig(value) 价格小写转大写
toPercent(value, isTransfer, fixed) 数字转化百分比
  • value
  • isTransfer 是否需要转化,默认为 true,例如 0.13 => 13%
  • fixed 小数点位数,默认为 0,例如 1.2%
toThousands(value, fixed, isFilling) 金额 千分位转换
  • value 金额
  • fixed 保留 fixed 位小数,若不足,则以0填充,若超出,则四舍五入后的期望位数
  • isFilling 小数位不足时是否填充,默认true 填充 。
sum(arr, key, defaultValue) 一维数组计算之和
  • arr 一维数组
  • key 需要统计的字段和
  • defaultValue 默认值,可选值

注意## 若 arr 为纯数字数组,则key 置空即可

getParams(search, key) 返回 URL 的参数
  • search: 通过 location.search 获取的参数字符串
  • key: 可选值,具体的参数

🌰:

const search = '?name=test&age=31';
getParams(search);
// {
//  name: 'test,
//  age: '21
// }

getParams(search, name);
// test

// or
const { name, age } = getParams(search);
// name = 'test';
// age = '21';
resetProtocal(url, protocal) 重置协议头
  • url: url l链接
  • protocal: 通过 location.protocal 获取当前域名的协议头

🌰:

const search = '?name=test&age=31';
resetProtocal('https://xxx.com', 'http:')
// http://xxx.com

resetProtocal('http://xxx.com', 'https:')
// https://xxx.com
queryParams2String(queryParams) 查询参数转成字符串
  • queryParams: queryParams 查询参数

🌰:

const search = '?name=test&age=31';
queryParams2String({
	name: 'test',
	age: '31'
})
// name=test&age=31

calculator 系列精度计算

calculator.strip(num, precision) 截取想要的位数

calculator.digitLength(num) 返回小数点长度

calculator.float2Fixed(num) 把小数转成整数,支持科学计数法。如果是小数则放大成整数

calculator.plus(num, ...) 精确加法

calculator.minus(num, ...) 精确减法

calculator.times(num, ...) 精确乘法

calculator.divide(num, ...) 精确除法

`calculator.round(num, ratio) 四舍五入

download(url) 下载文件

  • url: 下载文件路径

🌰:

download('xxx.xlsx')

downloadBlob( fileName, content) 文档流方式下载文件

  • fileName: 文件名
  • content: 文档流

getInvoiceType(invoiceCode) 通过发票代码判断发票类型

  • invoiceCode: 发票代码