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increment-string-id

v1.0.3

Published

自增ID转换成字符串ID

Downloads

13

Readme

increment-string-id

自增的number转换成字符串ID,主要只是为了统一和美观。

安装和使用

安装

npm install increment-string-id

使用

import IncrementStringId from 'increment-string-id'

const seed = 0
const size = 4
const instance = new IncrementStringId(seed, size)

// 生成一个ID
instance.generateId()

// 设置 seed 值
instance.setSeed(1000)

// 获取当前的 seed
instance.getSeed()

构造函数参数

|名称|默认值|说明 |-|-|-| |seed|0|递增的种子 |size|4|字符串id的最小长度

实例方法说明

|名称|参数类型|返回值类型|说明 |-|-|-|-| |generateId|无|string|生成一个ID |setSeed|number|无|设置 seed 值 |getSeed|无|number|获取当前的 seed

测试

npm run test

应用场景

比如,在问卷系统中,每个选项、每个问题都需要生成唯一ID,又不想用递增数字,那么就可以使用该库。

后台每次记录下 seed 即可,使用的时候,用上一次记录的 seed 实例化,就可以得到永不重复的字符串id。