uniProject/uni_modules/uni-share/utssdk/app-harmony/index.uts

import { common } from '@kit.AbilityKit';
import { systemShare } from '@kit.ShareKit';
import { uniformTypeDescriptor } from '@kit.ArkData';

export function uniShare(list : string[]) {
	let data : systemShare.SharedData = new systemShare.SharedData({
		utd: uniformTypeDescriptor.UniformDataType.PLAIN_TEXT,
		content: 'Hello HarmonyOS'
	} as systemShare.SharedRecord);

	for (var i = 0; i < list.length; i++) {
		data.addRecord({
			utd: uniformTypeDescriptor.UniformDataType.PNG,
			uri: list[i]
		} as systemShare.SharedRecord);
	}

	let controller : systemShare.ShareController = new systemShare.ShareController(data);

	const uiContext = UTSHarmony.getCurrentWindow()!.getUIContext()

	let context : common.UIAbilityContext = uiContext.getHostContext() as common.UIAbilityContext;

	controller.show(context, {
		previewMode: systemShare.SharePreviewMode.DETAIL,
		selectionMode: systemShare.SelectionMode.SINGLE
	} as systemShare.ShareControllerOptions);
}