Function copyToClipboard

static/js/utils.js:758–786

(text)

// ============================================

async function copyToClipboard(text) {
    if (navigator.clipboard && navigator.clipboard.writeText) {
        try {
            await navigator.clipboard.writeText(text);
            toast.success('已复制到剪贴板');
            return true;
        } catch (err) {
            // 降级到 execCommand
        }
    }
    try {
        const ta = document.createElement('textarea');
        ta.value = text;
        ta.style.cssText = 'position:fixed;top:0;left:0;opacity:0;pointer-events:none;';
        document.body.appendChild(ta);
        ta.focus();
        ta.select();
        const ok = document.execCommand('copy');
        document.body.removeChild(ta);
        if (ok) {
            toast.success('已复制到剪贴板');
            return true;
        }
        throw new Error('execCommand failed');
    } catch (err) {
        toast.error('复制失败');
        return false;
    }
}

// ============================================
// 本地存储助手