场景

2023年09月21日

柏拉文

越努力，越幸运

一、Modal

---

App.vue

<template>
  <button @click="handleShowModel(true)">显示 Model</button>
  <Teleport to="body">
    <Modal :show="isShowModel" @setShow="handleShowModel">
      <template #header>
        <h3>Modal 标题</h3>
      </template>
    </Modal>
  </Teleport>
</template>

<script setup>
import { ref } from 'vue';
import Modal from './components/Modal.vue';

const isShowModel = ref(false);

const handleShowModel = value => {
  isShowModel.value = value;
};
</script>

Modal.vue

<template>
  <Transition name="modal">
    <div v-if="show" class="modal-mask">
      <div class="modal-container">
        <div class="modal-header">
          <slot name="header">
            <h3>modal-header</h3>
          </slot>
        </div>

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

        <div class="modal-footer">
          <slot name="footer">
            <button class="modal-defalut-button" @click="handleCancel">
              取消
            </button>
            <button class="modal-defalut-button" @click="handleConfirm">
              确认
            </button>
          </slot>
        </div>
      </div>
    </div>
  </Transition>
</template>

<script setup>
const props = defineProps({
  show: Boolean
});
const emits = defineEmits(['setShow']);

const handleCancel = () => {
  emits('setShow', false);
};

const handleConfirm = () => {
  emits('setShow', false);
};
</script>

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

.modal-container {
  width: 300px;
  margin: 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;
}

/*
 * transition  name="modal" 过渡
 * .modal-enter-from 
 * .modal-leave-to 
 */

.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>