vue3中使用element-plus进行弹窗的封装代码

以下是一个简单的示例，演示如何使用 Vue3 和 Element Plus 封装一个弹窗组件：

<template>
  <el-dialog
    :title="title"
    :visible.sync="visible"
    :width="width"
    :before-close="beforeClose"
  >
    <slot></slot>
    <div slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="confirm">确定</el-button>
    </div>
  </el-dialog>
</template>

<script>
import { defineComponent } from 'vue'
import { ElDialog, ElButton } from 'element-plus'

export default defineComponent({
  name: 'MyDialog',
  components: { ElDialog, ElButton },
  props: {
    title: { type: String, default: '提示' },
    visible: { type: Boolean, default: false },
    width: { type: String, default: '30%' },
    beforeClose: Function,
  },
  methods: {
    confirm() {
      // 触发确认事件，并关闭弹窗
      this.$emit('confirm')
      this.visible = false
    },
  },
})
</script>

<style>
/* 可选：自定义弹窗样式 */
.dialog-footer {
  padding: 10px 20px;
  text-align: right;
  background-color: #f5f7fa;
  border-top: 1px solid #ebeef5;
}
</style>

使用方法：

<template>
  <div>
    <el-button @click="showDialog">打开弹窗</el-button>
    <my-dialog
      :visible.sync="dialogVisible"
      @confirm="handleConfirm"
    >
      <!-- 弹窗内容 -->
      <p>这是一个弹窗</p>
    </my-dialog>
  </div>
</template>

<script>
import { defineComponent, ref } from 'vue'
import MyDialog from '@/components/MyDialog.vue'

export default defineComponent({
  components: { MyDialog },
  setup() {
    const dialogVisible = ref(false)

    const showDialog = () => {
      dialogVisible.value = true
    }

    const handleConfirm = () => {
      // 处理确认事件
      console.log('确认')
    }

    return { dialogVisible, showDialog, handleConfirm }
  },
})
</script>