封装locaostorage

 1 const ls = localStorage
 2 
 3 export default {
 4   setItem(name, value) {
 5     ls.setItem(name, JSON.stringify(value))
 6   },
 7   getItem(name) {
 8     try {
 9       return JSON.parse(ls.getItem(name))
10     } catch (e) {
11       return null
12     }
13   },
14   removeItem(name) {
15     ls.removeItem(name)
16   }
17 }