ccl-lnj-vue/src/main.js

import Vue from 'vue'
import App from '@/App'
import router from '@/router'                 // api: https://github.com/vuejs/vue-router
import store from '@/store'                   // api: https://github.com/vuejs/vuex
import VueCookie from 'vue-cookie'            // api: https://github.com/alfhen/vue-cookie // 时间处理
import dayjs from 'dayjs';
import '@/element-ui'                         // api: https://github.com/ElemeFE/element
import '@/icons'                              // api: http://www.iconfont.cn/
import '@/element-ui-theme'
import 'element-ui/lib/theme-chalk/icon.css';
import '@/assets/scss/index.scss'
import httpRequest from '@/utils/httpRequest' // api: https://github.com/axios/axios
import { isAuth } from '@/utils'
import { accessField } from '@/utils'
import cloneDeep from 'lodash/cloneDeep'
import JsonExcel from 'vue-json-excel'
import i18n from '@/i18n/i18n'
import './utils/directives'
import decimalUtil from '@/utils/decimalUtil.js'
import getLodop from '@/utils/LodopFuncs.js'
import pdf from 'vue-pdf'
import { debounce,throttle} from '@/utils/common.js'
import selectDiv from '@/views/common/selectDiv.vue'

Vue.component('downloadExcel', JsonExcel)
Vue.component('pdf', pdf)
Vue.use(VueCookie)
Vue.config.productionTip = false
Vue.component('selectDiv', selectDiv);

// 非生产环境, 适配mockjs模拟数据                 // api: https://github.com/nuysoft/Mock
if (process.env.NODE_ENV !== 'production') {
  require('@/mock')
}

// 挂载全局
Vue.prototype.$http = httpRequest // ajax请求方法
Vue.prototype.isAuth = isAuth     // 权限方法
Vue.prototype.accessField = accessField     // 权限方法
Vue.prototype.getLodop = getLodop     // 打印
Vue.prototype.decimalUtil = decimalUtil    // 计算
Vue.prototype.dayjs = dayjs  //时间格式化插件 2021-11-02
Vue.prototype.debounce = debounce  // 防抖
Vue.prototype.throttle = throttle  // 限流
// 保存整站vuex本地储存初始状态
window.SITE_CONFIG['storeState'] = cloneDeep(store.state)

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  i18n,
  store,
  template: '<App/>',
  components: { App }
})

// 在Vue实例初始化之前添加全局事件监听器  type为number的输入库禁用上下箭头
document.addEventListener('keydown', function(event) {
  // 获取触发事件的元素
  const targetElement = event.target;

  // 如果触发事件的元素是<input type="number">，并且按下的是上下箭头键
  if (targetElement.tagName === 'INPUT' && targetElement.type === 'number' && (event.key === 'ArrowUp' || event.key === 'ArrowDown')) {
    // 阻止默认行为，取消按上下箭头键改变值的行为
    event.preventDefault();
  }
});