获取预览地址

/** 预览地址 */
let preview_url_s = await cocos_window.webContents.executeJavaScript("window.xxx.address");

// 不存在预览地址
if (!preview_url_s) {
    // 3.8.0 以下
    if (engine_version_n < 380) {
        await cocos_window.webContents.executeJavaScript(
            'window.xxx.$refs.qr.parentElement.dispatchEvent(new Event("mouseenter")); window.xxx.$refs.qr.parentElement.dispatchEvent(new Event("click"))'
        );
    }
    // 3.8.0 及以上
    else {
        await cocos_window.webContents.executeJavaScript('window.xxx.$refs.qr.parentElement.firstChild.dispatchEvent(new Event("click"))');
    }
    await new Promise<void>((resolve_f) => {
        const timer = setInterval(async () => {
            preview_url_s = await cocos_window.webContents.executeJavaScript("window.xxx.address");
            if (preview_url_s) {
                clearInterval(timer);
                resolve_f();
            }
        }, 0);
    });

    // 3.8.0 以下
    if (engine_version_n < 380) {
        cocos_window.webContents.executeJavaScript('window.xxx.$refs.qr.parentElement.dispatchEvent(new Event("mouseleave"))');
    }
    // 3.8.0 及以上
    else {
        cocos_window.webContents.executeJavaScript('window.xxx.$refs.qr.parentElement.firstChild.dispatchEvent(new Event("click"))');
    }
}

// 预览地址初始化
preview_url_s = `http://${preview_url_s}`;
/** 预览端口 */
const preview_port_s = preview_url_s.slice(preview_url_s.lastIndexOf(":") + 1);