HarmonyOS Next 跨设备剪贴板 + 拖拽的智能笔记应用 原创

import pasteboard from '@ohos.pasteboard';
import { BusinessError } from '@ohos.base';

// 复制文本到剪贴板
export async function copyTextToClipboard(text: string): Promise<void> {
    let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, text);
    let systemPasteBoard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
    await systemPasteBoard.setData(pasteData).catch((err: BusinessError) => {
        console.error(`Failed to set pastedata. Code: ${err.code}, message: ${err.message}`);
    });
}

// 从剪贴板获取文本
export async function getTextFromClipboard(): Promise<string | null> {
    let systemPasteBoard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
    return new Promise((resolve, reject) => {
        systemPasteBoard.getData((err: BusinessError, data: pasteboard.PasteData) => {
            if (err) {
                console.error(`Failed to get pastedata. Code: ${err.code}, message: ${err.message}`);
                resolve(null);
            } else {
                let primaryText: string = data.getPrimaryText();
                resolve(primaryText);
            }
        });
    });
}
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import { DragEvent, DropEvent } from '@ohos.arkui';

// 图片组件设置可拖拽
Image($r('app.media.image'))
  .draggable(true)
  .onDragStart((event: DragEvent) => {
        // 设置要传输的图片数据
        event.data.setData(pasteboard.MIMETYPE_IMAGE_PNG, getImageData());
    })

// 笔记区域设置接收拖拽事件
Text('笔记区域')
  .onDrop((event: DropEvent) => {
        let data = event.data;
        let mimeType = data.getPrimaryMimeType();
        if (mimeType === pasteboard.MIMETYPE_IMAGE_PNG) {
            let imageData = data.getPrimaryImage();
            // 将图片数据插入笔记中
            insertImageToNote(imageData);
        }
    })
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import pasteboard from '@ohos.pasteboard';

// 处理剪贴板数据
export async function handleClipboardData(): Promise<void> {
    let systemPasteBoard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
    systemPasteBoard.getData((err: BusinessError, data: pasteboard.PasteData) => {
        if (err) {
            console.error(`Failed to get pastedata. Code: ${err.code}, message: ${err.message}`);
            return;
        }
        let mimeType = data.getPrimaryMimeType();
        if (mimeType === pasteboard.MIMETYPE_TEXT_PLAIN) {
            let text = data.getPrimaryText();
            // 处理纯文本数据
            insertTextToNote(text);
        } else if (mimeType === pasteboard.MIMETYPE_IMAGE_PNG) {
            let imageData = data.getPrimaryImage();
            // 处理图片数据
            insertImageToNote(imageData);
        }
    });
}
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