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Toastimport './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>