Function localStorageSet

localStorageSet(key, value): boolean
设置 localStorage
Parameters
- key: string
  存储 key
- value: any
  存储 value，value === null|undefined 清除数据。
Returns boolean
Example
```
localStorageSet("key", "value"); /// 存储时不需要处理数据，value === null|undefined 清除数据。(boolean)
```