---
order: 99
version: 4.24.0
title:
  zh-CN: 调试 Input 前置/后置标签
  en-US: Input addon debug
debug: true
---

## zh-CN

调试 Input 前置/后置标签。

## en-US

Input addon debug.

```tsx
import { SettingOutlined, CopyOutlined, DownloadOutlined } from '@ant-design/icons';
import {
  Cascader,
  Input,
  Select,
  Space,
  Button,
  Tooltip,
  Modal,
  Dropdown,
  Drawer,
  InputNumber,
  DatePicker,
} from 'antd';
import React, { useState } from 'react';

const { Option } = Select;

const selectBefore = (
  <Select defaultValue="http://" className="select-before">
    <Option value="http://">http://</Option>
    <Option value="https://">https://</Option>
  </Select>
);
const selectAfter = (
  <Select defaultValue=".com" className="select-after">
    <Option value=".com">.com</Option>
    <Option value=".jp">.jp</Option>
    <Option value=".cn">.cn</Option>
    <Option value=".org">.org</Option>
  </Select>
);

const App: React.FC = () => {
  const [showModal, setShowModal] = useState(false);
  const [showDrawer, setShowDrawer] = useState(false);
  return (
    <Space direction="vertical">
      <Space.Compact block>
        <Button>default Button</Button>
        <Button danger>danger Button</Button>
        <Button type="dashed">dashed Button</Button>
        <Button type="text">text Button</Button>
        <Button type="link">Link Button</Button>
        <Tooltip title="Tooltip">
          <Button icon={<DownloadOutlined />} disabled />
        </Tooltip>
      </Space.Compact>
      <br />
      <Space.Compact>
        <Button>Prefix</Button>
        <Input addonBefore="http://" addonAfter=".com" defaultValue="mysite" />
        <Button type="primary">Submit</Button>
      </Space.Compact>
      <Space.Compact>
        <Input placeholder="prefix" />
        <Input addonBefore={selectBefore} addonAfter={selectAfter} defaultValue="mysite" />
        <Button icon={<CopyOutlined />} />
      </Space.Compact>
      <Space.Compact>
        <Input.Search />
        <Input.Search />
        <Button icon={<CopyOutlined />} />
      </Space.Compact>
      <Space.Compact>
        <Input addonAfter={<SettingOutlined />} defaultValue="mysite" />
        <Button type="primary">Submit</Button>
        <Input placeholder="suffix" addonAfter={<SettingOutlined />} />
      </Space.Compact>
      <Space.Compact>
        <Input addonBefore="http://" suffix=".com" defaultValue="mysite" />
        <Button type="primary">Submit</Button>
      </Space.Compact>
      <Space.Compact>
        <Button>Prefix</Button>
        <Input
          addonBefore={<Cascader placeholder="cascader" style={{ width: 150 }} />}
          defaultValue="mysite"
        />
        <Button type="primary">Submit</Button>
      </Space.Compact>
      <br />
      <Space.Compact>
        <Button onClick={() => setShowModal(true)}>debug Modal context</Button>
        {showModal && (
          <Modal title="Basic Modal" open={showModal} onCancel={() => setShowModal(false)}>
            <Button>normal button A</Button>
            <Button>normal button B</Button>
            <br />
            <br />
            <Input />
            <br />
            <br />
            <Space.Compact>
              <Button>compact button A</Button>
              <Button>compact button B</Button>
            </Space.Compact>
          </Modal>
        )}
      </Space.Compact>
      <Space.Compact>
        <Dropdown.Button
          menu={{
            items: [
              {
                key: '1',
                label: <Button>menu button</Button>,
              },
              {
                key: '2',
                label: 'normal menu item',
              },
            ],
          }}
        >
          debug Dropdown.Button context
        </Dropdown.Button>
      </Space.Compact>
      <Space.Compact>
        <Button onClick={() => setShowDrawer(true)}>debug Drawer context</Button>
        {showDrawer && (
          <Drawer
            title="Basic Drawer"
            placement="right"
            onClose={() => setShowDrawer(false)}
            open={showDrawer}
          >
            <Button>normal button A</Button>
            <Button>normal button B</Button>
            <br />
            <br />
            <Space.Compact>
              <Button>compact button A</Button>
              <Button>compact button B</Button>
            </Space.Compact>
          </Drawer>
        )}
      </Space.Compact>
      <Space.Compact>
        <InputNumber addonBefore="+" addonAfter="$" defaultValue={100} />
      </Space.Compact>
      <Space.Compact>
        <Select defaultValue="Sign Up">
          <Option value="Sign Up">Sign Up</Option>
          <Option value="Sign In">Sign In</Option>
        </Select>
      </Space.Compact>
      <Space.Compact>
        <DatePicker.RangePicker style={{ width: '70%' }} />
      </Space.Compact>
      <Space.Compact>
        <InputNumber defaultValue={12} />
      </Space.Compact>
      <Space.Compact>
        <Cascader
          style={{ width: '70%' }}
          options={[
            {
              value: 'zhejiang',
              label: 'Zhejiang',
              children: [
                {
                  value: 'hangzhou',
                  label: 'Hangzhou',
                  children: [
                    {
                      value: 'xihu',
                      label: 'West Lake',
                    },
                  ],
                },
              ],
            },
            {
              value: 'jiangsu',
              label: 'Jiangsu',
              children: [
                {
                  value: 'nanjing',
                  label: 'Nanjing',
                  children: [
                    {
                      value: 'zhonghuamen',
                      label: 'Zhong Hua Men',
                    },
                  ],
                },
              ],
            },
          ]}
          placeholder="Select Address"
        />
      </Space.Compact>
      <Space.Compact direction="vertical">
        <Button>vertical compact button</Button>
      </Space.Compact>
    </Space>
  );
};

export default App;
```

```css
.select-before {
  width: 90px;
}

.select-after {
  width: 80px;
}

[data-theme='compact'] .select-before {
  width: 71px;
}

[data-theme='compact'] .select-after {
  width: 65px;
}
```