localStorage

CRUD

localStorage.setItem('myCat', 'Tom');
let cat = localStorage.getItem('myCat');
localStorage.removeItem('myCat');
localStorage.clear();

vue3工具类

export const setItem = (key, value) => {
  if (typeof value === 'object') value = JSON.stringify(value)
  window.localStorage.setItem(key, value)
}

export const getItem = (key) => {
  const data = window.localStorage.getItem(key)
  try {
    return JSON.parse(data)
  } catch (err) {
    return data
  }
}

export const removeItem = (key) => {
  window.localStorage.removeItem(key)
}

export const clear = () => {
  window.localStorage.clear()
}