组件添加add方法

packages/artplayer/src/control/screenshot.js

@@ -0,0 +1,21 @@
+import { append, tooltip } from '../utils';
+
+export default function screenshot(option) {
+    return art => ({
+        ...option,
+        mounted: $control => {
+            const {
+                events: { proxy },
+                icons,
+                i18n,
+                player,
+            } = art;
+
+            const $screenshot = append($control, icons.screenshot);
+            tooltip($screenshot, i18n.get('Screenshot'));
+            proxy($screenshot, 'click', () => {
+                player.screenshot();
+            });
+        },
+    });
+}