4dkankan-components/docs/examples/dialog/basic-usage.vue

<template>
    <el-button text @click="dialogVisible = true">click to open the Dialog</el-button>

    <el-dialog v-model="dialogVisible" title="Tips" width="30%" :before-close="handleClose">
        <span>This is a message</span>
        <template #footer>
            <span class="dialog-footer">
                <el-button @click="dialogVisible = false">Cancel</el-button>
                <el-button type="primary" @click="dialogVisible = false">Confirm</el-button>
            </span>
        </template>
    </el-dialog>
</template>

<script lang="ts" setup>
import { ref } from 'vue'
import { ElMessageBox } from 'element-plus'

const dialogVisible = ref(false)

const handleClose = (done: () => void) => {
    ElMessageBox.confirm('Are you sure to close this dialog?')
        .then(() => {
            done()
        })
        .catch(() => {
            // catch error
        })
}
</script>
<style scoped>
.dialog-footer button:first-child {
    margin-right: 10px;
}
</style>