Anchor锚点

用于跳转到页面指定位置。

何时使用

需要展现当前页面上可供跳转的锚点链接，以及快速在锚点之间跳转。

代码演示

基本

最简单的用法。

TypeScriptJavaScript

import { Anchor } from 'antd';
const { Link } = Anchor;
ReactDOM.render(
  <Anchor>
    <Link href="#components-anchor-demo-basic" title="Basic demo" />
    <Link href="#components-anchor-demo-static" title="Static demo" />
    <Link href="#components-anchor-demo-basic" title="Basic demo with Target" target="_blank" />
    <Link href="#API" title="API">
      <Link href="#Anchor-Props" title="Anchor Props" />
      <Link href="#Link-Props" title="Link Props" />
    </Link>
  </Anchor>,
  mountNode,
);

自定义 onClick 事件

点击锚点不记录历史。

TypeScriptJavaScript

import { Anchor } from 'antd';
const { Link } = Anchor;
const handleClick = (
    e: React.MouseEvent<HTMLElement>,
    link: {
      title: React.ReactNode;
      href: string;
    },
  ) => {
    e.preventDefault();
    console.log(link);
};
ReactDOM.render(
  <Anchor affix={false} onClick={handleClick}>
    <Link href="#components-anchor-demo-basic" title="Basic demo" />
    <Link href="#components-anchor-demo-static" title="Static demo" />
    <Link href="#API" title="API">
      <Link href="#Anchor-Props" title="Anchor Props" />
      <Link href="#Link-Props" title="Link Props" />
    </Link>
  </Anchor>,
  mountNode,
);

设置锚点滚动偏移量

锚点目标滚动到屏幕正中间。

TypeScriptJavaScript

import React, { useState, useEffect } from 'react';
import { Anchor } from 'antd';
const { Link } = Anchor;
const AnchorExample: React.FC = () => {
  const [targetOffset, setTargetOffset] = useState<number | undefined>(undefined);
  useEffect(() => {
    setTargetOffset(window.innerHeight / 2);
  }, []);
  return (
    <Anchor targetOffset={targetOffset}>
      <Link href="#components-anchor-demo-basic" title="Basic demo" />
      <Link href="#components-anchor-demo-static" title="Static demo" />
      <Link href="#API" title="API">
        <Link href="#Anchor-Props" title="Anchor Props" />
        <Link href="#Link-Props" title="Link Props" />
      </Link>
    </Anchor>
  );
};
ReactDOM.render(<AnchorExample />, mountNode);

静态位置

不浮动，状态不随页面滚动变化。

TypeScriptJavaScript

import { Anchor } from 'antd';
const { Link } = Anchor;
ReactDOM.render(
  <Anchor affix={false}>
    <Link href="#components-anchor-demo-basic" title="Basic demo" />
    <Link href="#components-anchor-demo-static" title="Static demo" />
    <Link href="#API" title="API">
      <Link href="#Anchor-Props" title="Anchor Props" />
      <Link href="#Link-Props" title="Link Props" />
    </Link>
  </Anchor>,
  mountNode,
);

自定义锚点高亮

自定义锚点高亮。

TypeScriptJavaScript

import { Anchor } from 'antd';
const { Link } = Anchor;
const getCurrentAnchor = () => {
  return '#components-anchor-demo-static';
};
ReactDOM.render(
  <Anchor affix={false} getCurrentAnchor={getCurrentAnchor}>
    <Link href="#components-anchor-demo-basic" title="Basic demo" />
    <Link href="#components-anchor-demo-static" title="Static demo" />
    <Link href="#API" title="API">
      <Link href="#Anchor-Props" title="Anchor Props" />
      <Link href="#Link-Props" title="Link Props" />
    </Link>
  </Anchor>,
  mountNode,
);

监听锚点链接改变

监听锚点链接改变

TypeScriptJavaScript

import { Anchor } from 'antd';
const { Link } = Anchor;
const onChange = (link: string) => {
  console.log('Anchor:OnChange', link);
};
ReactDOM.render(
  <Anchor affix={false} onChange={onChange}>
    <Link href="#components-anchor-demo-basic" title="Basic demo" />
    <Link href="#components-anchor-demo-static" title="Static demo" />
    <Link href="#API" title="API">
      <Link href="#Anchor-Props" title="Anchor Props" />
      <Link href="#Link-Props" title="Link Props" />
    </Link>
  </Anchor>,
  mountNode,
);

API

Anchor Props

Link Props