\n\n'; var textarea = document.createElement('textarea'); textarea.value = code; document.body.appendChild(textarea); textarea.select(); document.execCommand('copy'); document.body.removeChild(textarea); if (typeof layui !== 'undefined') { layui.layer.msg('代码已复制到剪贴板'); } else { alert('代码已复制到剪贴板'); } } function saveToServer() { var formData = new FormData(); formData.append('components_json', JSON.stringify(components)); fetch(window.location.href, {method: 'POST', body: formData}); } function escapeHtml(str) { if (!str) return ''; return String(str).replace(/[&<>]/g, function(m) { if (m === '&') return '&'; if (m === '<') return '<'; if (m === '>') return '>'; return m; }); } function closeModal() { document.getElementById('configModal').style.display = 'none'; } document.getElementById('formTitle').addEventListener('change', updatePreview); document.getElementById('submitText').addEventListener('change', updatePreview); setTimeout(updatePreview, 100);

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