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hd-localstorage

v1.2.0

Published

支持设置访问频率的本地存储

Downloads

10

Readme

localStorage带有使用频率限制的本地存储

1、存储的数据,带有获取次数记录。常用语运营位展示 n天n次 的业务需求。
2、存储格式支持对象,数组,字符串,number等类型
3、只针对业务中经常使用的场景,代码简单,代码量少

使用过程

npm install --save hd-localstorage 或 yarn add hd-localstorage

import Frequency from "hd-localstorage" ;

使用方法介绍

提供了2种常用的方法:get() ,set(). new Frequency(options)  ---  options配置实例默认值,选填参数 day:2  ---  配置数据过期时间,单位,天。默认无限大 frequency: 3  ---  配置数据最大请求次数,单位,次。默认无限大

let frequency = new Frequency({
      day: 2,           // 设置默认几天几次,如果不设置,则默认无数天,无数次
      frequency: 3
})

1、set()存入操作

方法:set(name, value, params) 参数1:name => 存储的key值 参数2:value => 存储的value值,默认取name值 参数3: options{ day: 几天, frequency: 几次 } => day: 单位,天,支持浮点数 frequency: 单位,次,不支持浮点数 nowFrequency: 单位,次,不支持浮点数。当前获取次数,不填,默认为0

frequency.set('name') 
frequency.set('name', '张三') 
frequency.set('name', '张三',{ day: 1, frequency: 1, nowFrequency: 1 }) //设置一天内只允许获取一次, 并且当前获取次数为1

2、对get()的获取操作

方法:get(name) 参数1:name => 存储的key值

frequency.get("name") ;

返回值:object || null 注:如果没有存储过,或者存储过期,则返回 null,存储值存在并且在有效期范围内,则返回对象

{
      value: "张三" ,   // 存储的value值
      isSafety: true ,  // 当前获取次数是否在安全值范围内
      nowNumber: 1, // 当前获取次数值
      maxNumber: 3, // 设置的获取次数限制
}