ant-design-vue/antdv-demo/docs/message/demo/update.md

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<cn>
#### 更新消息内容
可以通过唯一的 `key` 来更新内容。
</cn>
<us>
#### Update Message Content
Update message content with unique `key`.
</us>
```vue
<template>
<a-button type="primary" @click="openMessage">
Open the message box
</a-button>
</template>
<script>
const key = 'updatable';
export default {
methods: {
openMessage() {
this.$message.loading({ content: 'Loading...', key });
setTimeout(() => {
this.$message.success({ content: 'Loaded!', key, duration: 2 });
}, 1000);
},
},
};
</script>
```