RWACha-DAPP/src/main.js

import Vue from 'vue';
import App from './App.vue';
import router from './router';
import store from './store';
import Vant from 'vant';
import VueI18n from 'vue-i18n';

import 'vant/lib/index.less';
import '@vant/touch-emulator';
import { push, replace, switchPage, getCurPage } from './utils/navigate'
import tool from '../src/utils/tools'
import Message from '@/components/jackToast/index';
import './utils/rem.js';
// Vue.prototype.$eventBus = new Vue();
import VueAnimateNumber from 'vue-animate-number'
import VueAwesomeSwiper from "vue-awesome-swiper";
import "swiper/css/swiper.css";
Vue.use(VueAwesomeSwiper);
Vue.use(VueAnimateNumber)
Vue.use(VueI18n);

if (localStorage.getItem('language') == 'null') {
  localStorage.setItem('language', 'zh-cn')
}

const i18n = new VueI18n({
  locale: localStorage.getItem('language') || 'zh-cn', //切换语言
  messages: {
    'zh-cn': require('./language/zh.json'),
    'en': require('./language/en.json'),
  },
});
Vue.use(Vant);
Vue.config.productionTip = false;
Vue.use(tool);
Vue.use(Message);
// 路由跳转方法
Vue.prototype.$Router = {
  pushPage(obj) {
    push(obj);
  },
  replacePage(obj) {
    replace(obj);
  },
  switchPage(obj) {
    switchPage(obj);
  }
};
Vue.prototype.$bus = new Vue()
Number.prototype.toFixed = function (n) {

  if (n > 20 || n < 0) {
    throw new RangeError('toFixed() digits argument must be between 0 and 20');
  }
  const number = this;
  if (isNaN(number) || number >= Math.pow(10, 21)) {
    return number.toString();
  }

  if (typeof (n) == 'undefined' || n == 0) {
    return (Math.round(number)).toString();
  }
  let result = number.toString();
  const arr = result.split('.');
  // 整数的情况
  if (arr.length < 2) {
    result += '.';
    for (let i = 0; i < n; i += 1) {
      result += '0';
    }
    return result;
  }
  const integer = arr[0];
  const decimal = arr[1];
  if (decimal.length == n) {
    return result;
  }

  if (decimal.length < n) {
    for (let i = 0; i < n - decimal.length; i += 1) {
      result += '0';
    }
    return result;
  }
  result = integer + '.' + decimal.substr(0, n);
  const last = decimal.substr(n, 1);
  // 四舍五入，转换为整数再处理，避免浮点数精度的损失
  if (parseInt(last, 10) >= 5) {
    const x = Math.pow(10, n);
    result = (Math.round((parseFloat(result) * x)) + 1) / x;
    result = result.toFixed(n);
  }
  return result;
}
// 除开发环境，其它不输出日志
if (process.env.NODE_ENV != "development") {
  console.log = () => { }
}
new Vue({
  router,
  store,
  i18n,
  render: h => h(App),
}).$mount('#app');