示例：<amp-social-share>

amp-social-share
- Introduction Setup Styling Basic usage Configuration Custom style Round icons Sharing media via Pinterest Native share dialog

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Introduction

The amp-social-share component provides a common interface for share buttons, styled to complement each other.

Setup

Import the amp-social-share component in the header.

<script async custom-element="amp-social-share" src="https://cdn.ampproject.org/v0/amp-social-share-0.1.js"></script>

Ensure you've configured your canonical URL.

<link rel="canonical" href="https://amp.dev/documentation/examples/components/amp-social-share/index.html">

Styling

Custom styling for <amp-social-share>.

<style amp-custom>
  :root {
    --color-primary: #005AF0;
    --color-text-light: #fff;
  }
  /* a custom sharing icon */
  amp-social-share.custom-style {
    background-color: #008080;
    background-image: url('https://raw.githubusercontent.com/google/material-design-icons/master/social/1x_web/ic_share_white_48dp.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
  }
  /* blue icons with rounded corners  */
  amp-social-share.rounded {
    border-radius: 50%;
    background-size: 60%;
    color: var(--color-text-light);
    background-color: var(--color-primary);
  }
</style>

Basic usage

Embed the amp-social-share widget choosing a share type from the supported types.

amp-social-share with type="facebook" requires to specify the facebook app id via data-attribution.

<amp-social-share type="email" aria-label="Share by email"></amp-social-share>
<amp-social-share type="facebook" aria-label="Share on Facebook" data-param-app_id="254325784911610"></amp-social-share>
<amp-social-share type="linkedin" aria-label="Share on LinkedIn"></amp-social-share>
<amp-social-share type="pinterest" aria-label="Share on Pinterest" data-param-media="https://amp.dev/static/samples/img/amp.jpg"></amp-social-share>
<amp-social-share type="tumblr" aria-label="Share on Tumblr"></amp-social-share>
<amp-social-share type="twitter" aria-label="Share on Twitter"></amp-social-share>
<amp-social-share type="whatsapp" aria-label="Share on WhatsApp"></amp-social-share>
<amp-social-share type="line" aria-label="Share on Line"></amp-social-share>

Configuration

Embed the amp-social-share widget choosing a type, then configure the actions.

width, default 60px.
height, default 44px.
data-param-text is the text to include in the share.
data-param-url is the URL to share, current URL by default.
data-param-attribution is where the share is attributed to.

All data-param-* prefixed attributes will be turned into URL parameters and passed to the share endpoint.

<amp-social-share type="linkedin" width="40" height="40" data-param-text="Check out these AMP Examples!" data-param-url="https://amp.dev/documentation/examples/" data-param-attribution="AMPhtml" aria-label="Share on LinkedIn">
</amp-social-share>

Custom style

Whenever you want to provide your own style, use CSS properties within the <style amp-custom> element (Modify the presentation). This will make sure the image stays responsive and centered, and the default styling is overwritten.

background-color, if you want the element to be a different color.
background-image, provide another image if you want to change the icon.
background-repeat (when using background-image), set to no-repeat.
background-position (when using background-image), set to center.
background-size (when using background-image), set to contain.

<amp-social-share type="linkedin" aria-label="Share on LinkedIn" class="custom-style">
</amp-social-share>

Round icons

For example, you can tweak the background size, color and border radius to achieve a rounded look where all icons have use the same color scheme. Reference the .rounded css class from the Styling section above for the effect below.

<amp-social-share class="rounded" aria-label="Share by email " type="email" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on Facebook" type="facebook" data-param-app_id="254325784911610" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on LinkedIn" type="linkedin" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on Pinterest" type="pinterest" data-param-media="https://amp.dev/static/samples/img/amp.jpg" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on Tumblr" type="tumblr" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on Twitter" type="twitter" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on WhatsApp" type="whatsapp" width="48" height="48"></amp-social-share>
<amp-social-share class="rounded" aria-label="Share on Line" type="line" width="48" height="48"></amp-social-share>

Use data-param-media to share media via Pinterest.

<amp-social-share type="pinterest" aria-label="Share on Pinterest" data-param-media="https://amp.dev/static/samples/img/amp.jpg"></amp-social-share>

The system type will display a native share UI if the user is viewing the AMP document using a browser that supports the Web Share API.

Here's what it looks like in Chrome on Android:

<amp-social-share type="system" aria-label="Share"></amp-social-share>

This type supports one option: if data-mode="replace" is specified, then all other share icons will be suppressed. (That is, the only share icon the user will see is the system share icon.)

Since it's not possible to demo this feature within the context of this example, here's some screenshots to illustrate the difference.

Without `data-mode="replace"`:

With `data-mode="replace"`:

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Written by @paul-matthews