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---
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order: 2
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title:
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zh-CN: 自动调整字符大小
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en-US: Autoset Font Size
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---
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## zh-CN
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对于字符型的头像，当字符串较长时，字体大小可以根据头像宽度自动调整。
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## en-US
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For letter type Avatar, when the letters are too long to display, the font size can be automatically adjusted according to the width of the Avatar.
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```tsx
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import React, { useState, FC } from 'react';
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import { Avatar, Button } from 'antd';
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const UserList = ['U', 'Lucy', 'Tom', 'Edward'];
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const ColorList = ['#f56a00', '#7265e6', '#ffbf00', '#00a2ae'];
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const Autoset: FC = () => {
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const [user, setUser] = useState(UserList[0]);
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const [color, setColor] = useState(ColorList[0]);
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const changeUser = () => {
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const index = UserList.indexOf(user);
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setUser(index < UserList.length - 1 ? UserList[index + 1] : UserList[0]);
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setColor(index < ColorList.length - 1 ? ColorList[index + 1] : ColorList[0]);
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};
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return (
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<div>
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<Avatar style={{ backgroundColor: color, verticalAlign: 'middle' }} size="large">
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{user}
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</Avatar>
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<Button size="small" style={{ marginLeft: 16, verticalAlign: 'middle' }} onClick={changeUser}>
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Change
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</Button>
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</div>
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);
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};
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ReactDOM.render(<Autoset />, mountNode);
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```
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