vue2.0 自定义提示框（Toast）组件

Posted 2020-10-16 每天都要进步一点点

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1.自定义提示框组件

src / components / Toast / index.js

/**
 * 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;

src / components / Toast / toast.css

/**
 * 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;
  }
}

2.全局引入

main.js

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

3.页面调用

Toast.vue

<!-- 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>

4.效果图

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