Vue Teleport Modal All In One

1. Teleport

<button @click="open = true">Open Modal</button>

<Teleport to="body">
  <div v-if="open" class="modal">
    <p>Hello from the modal!</p>
    <button @click="open = false">Close</button>
  </div>
</Teleport>

2. Transition

<button @click="show = !show">Toggle</button>
<Transition>
  <p v-if="show">hello</p>
</Transition>

/* we will explain what these classes do next! */
.v-enter-active,
.v-leave-active {
  transition: opacity 0.5s ease;
}

.v-enter-from,
.v-leave-to {
  opacity: 0;
}

API

https://vuejs.org/guide/built-ins/teleport.html

https://vuejs.org/guide/built-ins/transition.html

demo

<!--
Modal component with customizable slots and CSS transitions.
-->

<script>
import Modal from './Modal.vue'

export default {
  components: {
    Modal
  },
  data() {
    return {
      showModal: false
    }
  }
}
</script>

<template>
  <button id="show-modal" @click="showModal = true">Show Modal</button>

  <Teleport to="body">
    <!-- use the modal component, pass in the prop -->
    <modal :show="showModal" @close="showModal = false">
      <template #header>
        <h3>custom header</h3>
      </template>
    </modal>
  </Teleport>
</template>

<script>
export default {
  props: {
    show: Boolean
  }
}
</script>

<template>
  <Transition name="modal">
    <div v-if="show" class="modal-mask">
      <div class="modal-wrapper">
        <div class="modal-container">
          <div class="modal-header">
            <slot name="header">default header</slot>
          </div>

          <div class="modal-body">
            <slot name="body">default body</slot>
          </div>

          <div class="modal-footer">
            <slot name="footer">
              default footer
              <button
                class="modal-default-button"
                @click="$emit('close')"
              >OK</button>
            </slot>
          </div>
        </div>
      </div>
    </div>
  </Transition>
</template>

<style>
.modal-mask {
  position: fixed;
  z-index: 9998;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: table;
  transition: opacity 0.3s ease;
}

.modal-wrapper {
  display: table-cell;
  vertical-align: middle;
}

.modal-container {
  width: 300px;
  margin: 0px auto;
  padding: 20px 30px;
  background-color: #fff;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.33);
  transition: all 0.3s ease;
}

.modal-header h3 {
  margin-top: 0;
  color: #42b983;
}

.modal-body {
  margin: 20px 0;
}

.modal-default-button {
  float: right;
}

/*
 * The following styles are auto-applied to elements with
 * transition="modal" when their visibility is toggled
 * by Vue.js.
 *
 * You can easily play with the modal transition by editing
 * these styles.
 */

.modal-enter-from {
  opacity: 0;
}

.modal-leave-to {
  opacity: 0;
}

.modal-enter-from .modal-container,
.modal-leave-to .modal-container {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}
</style>

refs

https://vueschool.io/lessons/vue-3-teleport?friend=xgqfrms.xyz

https://vuejs.org/examples/#modal

https://www.youtube.com/watch?v=n8py4b2VWj4

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标签：opacity,Teleport,Vue,Modal,default,transition,modal,https
来源： https://www.cnblogs.com/xgqfrms/p/16324181.html