//自定義指令版本2：根據(jù)請(qǐng)求結(jié)果防止按鈕重復(fù)提交請(qǐng)求
  //使用方式如下：
  //1、請(qǐng)求函數(shù)不需要傳參，直接傳函數(shù)名或者包含函數(shù)名的對(duì)象，比如v-prevent-dup-click="submit"或者{fn:submit}
  //2、請(qǐng)求函數(shù)需要傳參，傳遞一個(gè)對(duì)象，包含函數(shù)名和參數(shù)，比如{fn:submit,params:[1,2,3]}
import type { App, Directive, DirectiveBinding } from 'vue'
 interface ReturnPromiseFn {
  (...args: any[]): Promise<any>
 }
 interface objectType {
  fn: ReturnPromiseFn
   params?: any[]
 }
app.directive('preventDupClick', directiveBindingDirective)
 const directiveBindingDirective: Directive = {
    mounted(el, binding: DirectiveBinding<ReturnPromiseFn & objectType>) {
      if (!binding.value) {
        throw new Error('v-prevent-dup-click must pass a parameter')
      }
      if (typeof binding.value !== 'function' && typeof binding.value !== 'object') {
        throw new Error('v-prevent-dup-click requires a function or an object with a function `fn`')
      }
      // 一開(kāi)始是未點(diǎn)擊狀態(tài)
      el.isClicked = false
      const handerClick = function (event) {
        // 如果已經(jīng)點(diǎn)擊過(guò)，則阻止事件
        if (el.isClicked === 'true') {
          event.preventDefault()
          event.stopPropagation()
          return
        }
        // 標(biāo)記為已點(diǎn)擊
        el.isClicked = 'true'
        // 調(diào)用傳入的函數(shù)
        let fn: ReturnPromiseFn
        let params: any[] = []
        //如果只傳函數(shù)名
        if (typeof binding.value == 'function') {
          fn = binding.value
        } else {
          //如果傳對(duì)象{fn:submit,params:[1,2,3]}或者{fn:submit}
          fn = (binding.value as objectType).fn
          params = (binding.value as objectType)?.params ?? []
        }
        console.log(params, 'params')
        try {
          fn(...params).finally(() => {
            el.isClicked = false
          })
        } catch (error) {
          throw new Error('binding.value或 binding.value.fn必須是返回Promise類型的函數(shù)')
        }
      }
      el.hander = handerClick
      el.addEventListener('click', handerClick)
    },
    //銷毀事件
    beforeUnmount(el) {
      if (el.hander) {
        el.removeEventListener('click', el.hander)
      }
    }
  }