vue 自定义提示框(Toast)组件的实现代码

/**
 * 自定义 提示框( Toast )组件
 */
var Toast = {};
var showToast = false, // 存储toast显示状态
 showLoad = false, // 存储loading显示状态
 toastVM = null, // 存储toast vm
 loadNode = null; // 存储loading节点元素
 
Toast.install = function (Vue, options) {
 // 参数
 var opt = {
  defaultType: 'bottom',
  duration: '2500',
  wordWrap: false
 };
 for (var property in options) {
  opt[property] = options[property];
 }
 
 Vue.prototype.$toast = function (tips, type) {
 
  var curType = type ? type : opt.defaultType;
  var wordWrap = opt.wordWrap ? 'lx-word-wrap' : '';
  var style = opt.width ? 'style="width: ' + opt.width + '"' : '';
  var tmp = '<div v-show="show" :class="type" class="lx-toast ' + wordWrap + '" ' + style + '>{{tip}}</div>';
 
  if (showToast) {
   // 如果toast还在，则不再执行
   return;
  }
  if (!toastVM) {
   var toastTpl = Vue.extend({
    data: function () {
     return {
      show: showToast,
      tip: tips,
      type: 'lx-toast-' + curType
     }
    },
    template: tmp
   });
   toastVM = new toastTpl()
   var tpl = toastVM.$mount().$el;
   document.body.appendChild(tpl);
  }
  toastVM.type = 'lx-toast-' + curType;
  toastVM.tip = tips;
  toastVM.show = showToast = true;
 
  setTimeout(function () {
   toastVM.show = showToast = false;
  }, opt.duration)
 };
 
 ['bottom', 'center', 'top'].forEach(function (type) {
  Vue.prototype.$toast[type] = function (tips) {
   return Vue.prototype.$toast(tips, type)
  }
 });
 
 Vue.prototype.$loading = function (tips, type) {
  if (type == 'close') {
   loadNode.show = showLoad = false;
  } else {
   if (showLoad) {
    // 如果loading还在，则不再执行
    return;
   }
   var loadTpl = Vue.extend({
    data: function () {
     return {
      show: showLoad
     }
    },
    template: '<div v-show="show" class="lx-load-mark"><div class="lx-load-box"><div class="lx-loading"><div class="loading_leaf loading_leaf_0"></div><div class="loading_leaf loading_leaf_1"></div><div class="loading_leaf loading_leaf_2"></div><div class="loading_leaf loading_leaf_3"></div><div class="loading_leaf loading_leaf_4"></div><div class="loading_leaf loading_leaf_5"></div><div class="loading_leaf loading_leaf_6"></div><div class="loading_leaf loading_leaf_7"></div><div class="loading_leaf loading_leaf_8"></div><div class="loading_leaf loading_leaf_9"></div><div class="loading_leaf loading_leaf_10"></div><div class="loading_leaf loading_leaf_11"></div></div><div class="lx-load-content">' + tips + '</div></div></div>'
   });
   loadNode = new loadTpl();
   var tpl = loadNode.$mount().$el;
 
   document.body.appendChild(tpl);
   loadNode.show = showLoad = true;
  }
 };
 
 ['open', 'close'].forEach(function (type) {
  Vue.prototype.$loading[type] = function (tips) {
   return Vue.prototype.$loading(tips, type)
  }
 });
}
 
// 向外暴露接口
module.exports = Toast;

/**
 * Toast 样式
 */
.lx-toast {
 position: fixed;
 bottom: 100px;
 left: 50%;
 box-sizing: border-box;
 max-width: 80%;
 height: 40px;
 line-height: 20px;
 padding: 10px 20px;
 transform: translateX(-50%);
 -webkit-transform: translateX(-50%);
 text-align: center;
 z-index: 9999;
 font-size: 14px;
 color: #fff;
 border-radius: 5px;
 background: rgba(0, 0, 0, 0.7);
 animation: show-toast .5s;
 -webkit-animation: show-toast .5s;
 overflow: hidden;
 text-overflow: ellipsis;
 white-space: nowrap;
}
 
.lx-toast.lx-word-wrap {
 width: 80%;
 white-space: inherit;
 height: auto;
}
 
.lx-toast.lx-toast-top {
 top: 50px;
 bottom: inherit;
}
 
.lx-toast.lx-toast-center {
 top: 50%;
 margin-top: -20px;
 bottom: inherit;
}
 
@keyframes show-toast {
 from {
  opacity: 0;
  transform: translate(-50%, -10px);
  -webkit-transform: translate(-50%, -10px);
 }
 to {
  opacity: 1;
  transform: translate(-50%, 0);
  -webkit-transform: translate(-50%, 0);
 }
}
 
.lx-load-mark {
 position: fixed;
 left: 0;
 top: 0;
 width: 100%;
 height: 100%;
 z-index: 9999;
}
 
.lx-load-box {
 position: fixed;
 z-index: 3;
 width: 7.6em;
 min-height: 7.6em;
 top: 180px;
 left: 50%;
 margin-left: -3.8em;
 background: rgba(0, 0, 0, 0.7);
 text-align: center;
 border-radius: 5px;
 color: #FFFFFF;
}
 
.lx-load-content {
 margin-top: 64%;
 font-size: 14px;
}
 
.lx-loading {
 position: absolute;
 width: 0px;
 left: 50%;
 top: 38%;
}
 
.loading_leaf {
 position: absolute;
 top: -1px;
 opacity: 0.25;
}
 
.loading_leaf:before {
 content: " ";
 position: absolute;
 width: 9.14px;
 height: 3.08px;
 background: #d1d1d5;
 box-shadow: rgba(0, 0, 0, 0.0980392) 0px 0px 1px;
 border-radius: 1px;
 -webkit-transform-origin: left 50% 0px;
 transform-origin: left 50% 0px;
}
 
.loading_leaf_0 {
 -webkit-animation: opacity-0 1.25s linear infinite;
 animation: opacity-0 1.25s linear infinite;
}
 
.loading_leaf_0:before {
 -webkit-transform: rotate(0deg) translate(7.92px, 0px);
 transform: rotate(0deg) translate(7.92px, 0px);
}
 
.loading_leaf_1 {
 -webkit-animation: opacity-1 1.25s linear infinite;
 animation: opacity-1 1.25s linear infinite;
}
 
.loading_leaf_1:before {
 -webkit-transform: rotate(30deg) translate(7.92px, 0px);
 transform: rotate(30deg) translate(7.92px, 0px);
}
 
.loading_leaf_2 {
 -webkit-animation: opacity-2 1.25s linear infinite;
 animation: opacity-2 1.25s linear infinite;
}
 
.loading_leaf_2:before {
 -webkit-transform: rotate(60deg) translate(7.92px, 0px);
 transform: rotate(60deg) translate(7.92px, 0px);
}
 
.loading_leaf_3 {
 -webkit-animation: opacity-3 1.25s linear infinite;
 animation: opacity-3 1.25s linear infinite;
}
 
.loading_leaf_3:before {
 -webkit-transform: rotate(90deg) translate(7.92px, 0px);
 transform: rotate(90deg) translate(7.92px, 0px);
}
 
.loading_leaf_4 {
 -webkit-animation: opacity-4 1.25s linear infinite;
 animation: opacity-4 1.25s linear infinite;
}
 
.loading_leaf_4:before {
 -webkit-transform: rotate(120deg) translate(7.92px, 0px);
 transform: rotate(120deg) translate(7.92px, 0px);
}
 
.loading_leaf_5 {
 -webkit-animation: opacity-5 1.25s linear infinite;
 animation: opacity-5 1.25s linear infinite;
}
 
.loading_leaf_5:before {
 -webkit-transform: rotate(150deg) translate(7.92px, 0px);
 transform: rotate(150deg) translate(7.92px, 0px);
}
 
.loading_leaf_6 {
 -webkit-animation: opacity-6 1.25s linear infinite;
 animation: opacity-6 1.25s linear infinite;
}
 
.loading_leaf_6:before {
 -webkit-transform: rotate(180deg) translate(7.92px, 0px);
 transform: rotate(180deg) translate(7.92px, 0px);
}
 
.loading_leaf_7 {
 -webkit-animation: opacity-7 1.25s linear infinite;
 animation: opacity-7 1.25s linear infinite;
}
 
.loading_leaf_7:before {
 -webkit-transform: rotate(210deg) translate(7.92px, 0px);
 transform: rotate(210deg) translate(7.92px, 0px);
}
 
.loading_leaf_8 {
 -webkit-animation: opacity-8 1.25s linear infinite;
 animation: opacity-8 1.25s linear infinite;
}
 
.loading_leaf_8:before {
 -webkit-transform: rotate(240deg) translate(7.92px, 0px);
 transform: rotate(240deg) translate(7.92px, 0px);
}
 
.loading_leaf_9 {
 -webkit-animation: opacity-9 1.25s linear infinite;
 animation: opacity-9 1.25s linear infinite;
}
 
.loading_leaf_9:before {
 -webkit-transform: rotate(270deg) translate(7.92px, 0px);
 transform: rotate(270deg) translate(7.92px, 0px);
}
 
.loading_leaf_10 {
 -webkit-animation: opacity-10 1.25s linear infinite;
 animation: opacity-10 1.25s linear infinite;
}
 
.loading_leaf_10:before {
 -webkit-transform: rotate(300deg) translate(7.92px, 0px);
 transform: rotate(300deg) translate(7.92px, 0px);
}
 
.loading_leaf_11 {
 -webkit-animation: opacity-11 1.25s linear infinite;
 animation: opacity-11 1.25s linear infinite;
}
 
.loading_leaf_11:before {
 -webkit-transform: rotate(330deg) translate(7.92px, 0px);
 transform: rotate(330deg) translate(7.92px, 0px);
}
 
@-webkit-keyframes opacity-0 {
 0% {
  opacity: 0.25;
 }
 0.01% {
  opacity: 0.25;
 }
 0.02% {
  opacity: 1;
 }
 60.01% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.25;
 }
}
 
@-webkit-keyframes opacity-1 {
 0% {
  opacity: 0.25;
 }
 8.34333% {
  opacity: 0.25;
 }
 8.35333% {
  opacity: 1;
 }
 68.3433% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.25;
 }
}
 
@-webkit-keyframes opacity-2 {
 0% {
  opacity: 0.25;
 }
 16.6767% {
  opacity: 0.25;
 }
 16.6867% {
  opacity: 1;
 }
 76.6767% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.25;
 }
}
 
@-webkit-keyframes opacity-3 {
 0% {
  opacity: 0.25;
 }
 25.01% {
  opacity: 0.25;
 }
 25.02% {
  opacity: 1;
 }
 85.01% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.25;
 }
}
 
@-webkit-keyframes opacity-4 {
 0% {
  opacity: 0.25;
 }
 33.3433% {
  opacity: 0.25;
 }
 33.3533% {
  opacity: 1;
 }
 93.3433% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.25;
 }
}
 
@-webkit-keyframes opacity-5 {
 0% {
  opacity: 0.270958333333333;
 }
 41.6767% {
  opacity: 0.25;
 }
 41.6867% {
  opacity: 1;
 }
 1.67667% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.270958333333333;
 }
}
 
@-webkit-keyframes opacity-6 {
 0% {
  opacity: 0.375125;
 }
 50.01% {
  opacity: 0.25;
 }
 50.02% {
  opacity: 1;
 }
 10.01% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.375125;
 }
}
 
@-webkit-keyframes opacity-7 {
 0% {
  opacity: 0.479291666666667;
 }
 58.3433% {
  opacity: 0.25;
 }
 58.3533% {
  opacity: 1;
 }
 18.3433% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.479291666666667;
 }
}
 
@-webkit-keyframes opacity-8 {
 0% {
  opacity: 0.583458333333333;
 }
 66.6767% {
  opacity: 0.25;
 }
 66.6867% {
  opacity: 1;
 }
 26.6767% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.583458333333333;
 }
}
 
@-webkit-keyframes opacity-9 {
 0% {
  opacity: 0.687625;
 }
 75.01% {
  opacity: 0.25;
 }
 75.02% {
  opacity: 1;
 }
 35.01% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.687625;
 }
}
 
@-webkit-keyframes opacity-10 {
 0% {
  opacity: 0.791791666666667;
 }
 83.3433% {
  opacity: 0.25;
 }
 83.3533% {
  opacity: 1;
 }
 43.3433% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.791791666666667;
 }
}
 
@-webkit-keyframes opacity-11 {
 0% {
  opacity: 0.895958333333333;
 }
 91.6767% {
  opacity: 0.25;
 }
 91.6867% {
  opacity: 1;
 }
 51.6767% {
  opacity: 0.25;
 }
 100% {
  opacity: 0.895958333333333;
 }
}

// 全局引入Toast
import './components/Toast/toast.css';
import Toast from './components/Toast/index';
Vue.use(Toast);

<!-- 提示框 -->

<template>

 <div>

  <!-- 标题栏 -->

  <mt-header title= "提示框" >

  <router-link to= "/" slot= "left" >

   <mt-button icon= "back" >返回</mt-button>

  </router-link>

  </mt-header>

  <!-- 内容 -->

  <button @click= "openTop()" >top</button>

  <button @click= "openCenter()" >center</button>

  <button @click= "openBottom()" >bottom</button>

  <button @click= "openLoading()" >loading</button>

 </div>

</template>

<script>

 export default {

  name: 'Toast' ,

  data(){

  return {

   //

  }

  },

  methods:{

  openTop(){

   this .$toast.top( 'top' );

  },

  openCenter(){

   this .$toast.center( 'center' );

  },

  openBottom(){

   this .$toast( 'bottom' );  // or this.$toast.bottom('bottom');

  },

  openLoading(){

   this .$loading( 'loading...' );

   let self = this ;

   setTimeout( function () {

   self.closeLoading()

   }, 2000)

  },

  closeLoading(){

   this .$loading.close();

  }

  }

 }

</script>

<style lang= "less" scoped>
 //
</style>