~~~ /** * 动态加载 CSS 样式文件 */ function LoadStyle(url) { try { document.createStyleSheet(url); } catch (e) { var cssLink = document.createElement('link'); cssLink.rel = 'stylesheet'; cssLink.type = 'text/css'; cssLink.href = url; var head = document.getElementsByTagName('head')[0]; head.appendChild(cssLink); } } ~~~