4dkankan-components/docs/examples-bk/popover/basic-usage.vue

<template>
    <el-popover placement="top-start" title="Title" :width="200" trigger="hover" content="this is content, this is content, this is content">
        <template #reference>
            <el-button>Hover to activate</el-button>
        </template>
    </el-popover>

    <el-popover placement="bottom" title="Title" :width="200" trigger="click" content="this is content, this is content, this is content">
        <template #reference>
            <el-button>Click to activate</el-button>
        </template>
    </el-popover>

    <el-popover ref="popover" placement="right" title="Title" :width="200" trigger="focus" content="this is content, this is content, this is content">
        <template #reference>
            <el-button>Focus to activate</el-button>
        </template>
    </el-popover>

    <el-popover ref="popover" title="Title" :width="200" trigger="contextmenu" content="this is content, this is content, this is content">
        <template #reference>
            <el-button>contextmenu to activate</el-button>
        </template>
    </el-popover>

    <el-popover :visible="visible" placement="bottom" title="Title" :width="200" content="this is content, this is content, this is content">
        <template #reference>
            <el-button @click="visible = !visible">Manual to activate</el-button>
        </template>
    </el-popover>
</template>

<script lang="ts" setup>
import { ref } from 'vue'

const visible = ref(false)
</script>