shop-web/src/pinia/stores/wx.ts

import { pinia } from "@/pinia"
import { getOpenIdApi } from "@/common/apis/shop"


export const useWxStore = defineStore("wx", () => {
  // 微信授权 code
  const code = ref<string>("")
  // 防止 CSRF 攻击的 state 参数
  const state = ref<string>("")
  // 用户 openid
  const openid = ref<string>("")

  // 设置 openid
  const setOpenid = (id: string) => {
    openid.value = id
  }

  const handleWxCallback = async (params: { code?: string; state?: string }) => {
    console.log('handleWxCallback:', params)
    if (params.code) {
      code.value = params.code
      state.value = params.state || state.value
      
      try {
        // 调用获取 openid 的接口
        const res = await getOpenIdApi({ code: params.code })
        console.log('获取 openid 成功:', res)
        if (res && res.code == 0) {
          openid.value = res.data
        }
      } catch (err) {
        console.error('获取 openid 失败:', err)
      }
    }
  }

  (window as any).testWxSetOpenid = setOpenid

  return { code, state, openid, setOpenid, handleWxCallback }
})

/**
 * @description 用于在 setup 外使用 store
 */
export function useWxStoreOutside() {
  return useWxStore(pinia)
}