pinia初始化

pinia 安装

官网： https://pinia.vuejs.org/zh/introduction.html
安装： npm i pinia -S

// main.ts
import { createApp } from 'vue'
import { createPinia } from 'pinia'
import App from './App.vue'
const pinia = createPinia()
const app = createApp(App)
app.use(pinia)
app.mount('#app')

// store.ts
import { defineStore } from 'pinia'
import { Names } from './store-name'

export const useStore = defineStore('main', {
  state: () => { // 必须时一个箭头函数
    return {
      current: 111,
      name: '哈哈哈'
    }
  },
  getters: {}, // 相当于computed
  actions: {} // 相当于methods
})