focus与active交互使用技巧解析

本文深入解析了CSS中:focus与:active伪类在实际开发中的关键行为差异与常见陷阱：:focus仅对原生可聚焦元素或显式添加tabindex的元素生效，且在键盘聚焦与鼠标点击后触发，但移动端支持不稳定；:active则严格限定于鼠标按下瞬间，无法持久化、不可JS模拟，在iOS非可点击元素上常静默失效；二者在动态内容、 scoped CSS、父级pointer-events限制及可访问性设计中极易失效。文章强调必须结合语义化HTML、合理使用tabindex、补充移动端适配（如cursor/touch-action），并在复杂交互中主动引入JavaScript状态管理，才能构建可靠、可用、跨端一致的用户反馈体验。

focus 伪类只对可聚焦元素生效

不是所有元素加了 :focus 就能响应点击或 Tab 键。浏览器默认只给 、、、</code> 等原生可交互元素赋予焦点能力。对 <code><div></code> 或 <code><span></code> 直接写 <code>div:focus { outline: 2px solid blue; }</code> 是无效的。</p> <p>如果真要让非表单元素响应 <code>:focus</code>，必须显式添加 <code>tabindex</code> 属性：</p> <pre class="brush:php;toolbar:false"><div tabindex="0">点我获得焦点</div></pre> <p>注意：<code>tabindex="0"</code> 表示该元素可被键盘聚焦（按 Tab 进入），但不改变文档顺序；<code>tabindex="-1"</code> 则只能用 JavaScript 主动调用 <code>.focus()</code>，不能通过 Tab 进入。</p> <ul><li>避免滥用 <code>tabindex="1"</code> 及正数——会打乱默认 tab 顺序，损害可访问性</li> <li><code>:focus</code> 样式在键盘聚焦和鼠标点击后都会触发，但某些旧版 Safari 对鼠标点击触发 <code>:focus</code> 支持不稳定</li> <li>若同时设置 <code>:focus</code> 和 <code>:active</code>，点击瞬间先触发 <code>:active</code>，松开后才进入 <code>:focus</code>（前提是元素仍保持可聚焦）</li> </ul><h3>:active 伪类的触发时机很短且依赖鼠标状态</h3> <p><code>:active</code> 只在用户「按下鼠标左键」到「松开之间」这一帧内生效，且仅作用于当前被按下的元素。它不关心焦点，也不需要 <code>tabindex</code>，但对触摸设备支持有限：iOS Safari 在非可点击元素上可能完全不触发 <code>:active</code>。</p> <p>常见误判是以为 <code>:active</code> 能替代按钮按下态（pressed state）。实际上它无法持久化，也不能通过 JS 模拟（没有 API 能手动激活 <code>:active</code>）。</p> <ul><li>移动端需额外加 <code>cursor: pointer</code> 或 <code>touch-action: manipulation</code> 才可能激活 <code>:active</code></li> <li>如果父容器设置了 <code>pointer-events: none</code>，子元素的 <code>:active</code> 会被拦截</li> <li><code>:active</code> 的样式优先级低于 <code>:focus</code> 和内联 style，调试时容易被覆盖</li> </ul><h3>动态内容中 :focus/:active 失效的典型原因</h3> <p>用 JavaScript 动态插入的元素（比如 <code>innerHTML</code> 或 <code>appendChild</code>）不会自动继承原有事件绑定，但伪类本身不依赖 JS 绑定——失效通常是因为插入后元素未满足可聚焦条件，或 CSS 选择器作用域出错。</p> <p>例如，用 Vue/React 渲染一个 <code><button class="btn"></code>，但 CSS 写成：</p> <pre class="brush:php;toolbar:false">.btn:focus { background: #007bff; }</pre> <p>这本身没问题；但如果组件里用了 <code>scoped</code>（Vue）或 CSS Modules，实际生成的选择器可能是 <code>.btn[data-v-f3f3eg9]::focus</code>，而动态插入的 DOM 若没带上对应属性，样式就丢了。</p> <ul><li>检查 DevTools 中元素是否真的匹配了目标选择器（看 Styles 面板有没有被划掉）</li> <li>动态创建的 <code><input></code> 如果没设 <code>type</code>，部分浏览器会降级为不可聚焦的普通元素</li> <li>使用 <code>contenteditable="true"</code> 的元素虽可聚焦，但 <code>:active</code> 在其上行为不一致，慎用</li> </ul><h3>与 JavaScript 状态配合更可控</h3> <p>纯 CSS 的 <code>:focus</code> 和 <code>:active</code> 适合简单反馈，但复杂交互（比如“按下后保持高亮直到下一次点击”）必须靠 JS 控制类名。例如实现开关按钮：</p> <pre class="brush:php;toolbar:false"><button id="toggle">关闭</button></pre> <pre class="brush:php;toolbar:false">#toggle.is-active { background: #28a745; } #toggle:active { transform: scale(0.98); }</pre> <p>然后用 JS 切换 <code>is-active</code>：</p> <pre class="brush:php;toolbar:false">const btn = document.getElementById('toggle'); btn.addEventListener('click', () => { btn.classList.toggle('is-active'); btn.textContent = btn.classList.contains('is-active') ? '开启' : '关闭'; });</pre> <p>这样既保留 <code>:active</code> 的瞬时压感，又用类名控制持久状态。</p> <ul><li>不要用 <code>focus()</code> 强行聚焦无语义元素——屏幕阅读器会朗读，但用户不知道为何跳转</li> <li>如果业务要求键盘操作后也触发类似 <code>:active</code> 的视觉反馈，得监听 <code>keydown</code> + <code>keyup</code> 并手动切类</li> <li><code>:focus-visible</code> 正在逐步替代 <code>:focus</code> 做键盘专属聚焦样式，但兼容性仍需留意（Firefox 85+、Chrome 86+）</li> </ul> 真实项目里最常被忽略的，是 <code>:active</code> 在 iOS 上的静默失效，以及 <code>:focus</code> 对非表单元素的零容忍——这两点一旦漏测，移动端交互就会显得“没反应”。<p>以上就是《focus与active交互使用技巧解析》的详细内容，更多关于的资料请关注golang学习网公众号！</p> </div> <div class="labsList"> </div> <div class="cateBox"> <div class="cateItem"> <a href="/article/515387.html" title="Golang无锁并发：CAS与atomic包实战教程" class="img_box"> <img src="/uploads/20260302/177243305869a52ea204684.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="Golang无锁并发：CAS与atomic包实战教程">Golang无锁并发：CAS与atomic包实战教程 </a> <dl> <dt class="lineOverflow"><a href="/article/515387.html" title="Golang无锁并发：CAS与atomic包实战教程" class="aBlack">上一篇<i></i></a></dt> <dd class="lineTwoOverflow">Golang无锁并发：CAS与atomic包实战教程</dd> </dl> </div> <div class="cateItem"> <a href="/article/515389.html" title="如何查看WindowsCPU核心数（Win10/Win11）" class="img_box"> <img src="/uploads/20260302/177243315669a52f0465862.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="如何查看WindowsCPU核心数（Win10/Win11）"> </a> <dl> <dt class="lineOverflow"><a href="/article/515389.html" class="aBlack" title="如何查看WindowsCPU核心数（Win10/Win11）">下一篇<i></i></a></dt> <dd class="lineTwoOverflow">如何查看WindowsCPU核心数（Win10/Win11）</dd> </dl> </div> </div> </div> </div> <div class="leftContBox pt0"> <div class="pdl20"> <div class="contTit"> <a href="/articlelist.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit">最新文章</div> </div> </div> <ul class="newArticleList"> <li> <div class="contBox"> <a href="/article/629025.html" class="img_box" title="表单 aria-describedby 关联错误提示的可访问设计"> <img src="/uploads/20261002/1790934659-f637e5ae16-6674a7bf7e-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="表单 aria-describedby 关联错误提示的可访问设计"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  13小时前  |   </span> </dd> <dt class="lineOverflow"> <a href="/article/629025.html" class="aBlack" target="_blank" title="表单 aria-describedby 关联错误提示的可访问设计">表单 aria-describedby 关联错误提示的可访问设计</a> </dt> <dd class="cont2"> <span><i class="view"></i>349浏览</span> <span class="collectBtn user_collection" data-id="629025" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/629002.html" class="img_box" title="CSS :is 组合选择器时的 specificity 控制"> <img src="/uploads/20261002/1790898993-c0fe5cc618-948d67edd2-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="CSS :is 组合选择器时的 specificity 控制"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  23小时前  |   <a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> · <a href="/articletag/4729_new_0_1.html" class="aLightGray" title="css">css</a> · <a href="javascript:;" class="aLightGray" title="组合选择器">组合选择器</a> <a href="javascript:;" class="aLightGray" title="CSS :is">CSS :is</a> <a href="javascript:;" class="aLightGray" title="specificity">specificity</a> <a href="javascript:;" class="aLightGray" title=":where">:where</a> <a href="javascript:;" class="aLightGray" title="级联层">级联层</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/629002.html" class="aBlack" target="_blank" title="CSS :is 组合选择器时的 specificity 控制">CSS :is 组合选择器时的 specificity 控制</a> </dt> <dd class="cont2"> <span><i class="view"></i>327浏览</span> <span class="collectBtn user_collection" data-id="629002" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628966.html" class="img_box" title="PerformanceResourceTiming 拆分 DNS 与 TLS 耗时"> <img src="/uploads/20261001/1790854465-43fa0f7b0d-6e918d66c1-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="PerformanceResourceTiming 拆分 DNS 与 TLS 耗时"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  1天前  |   <a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> · <a href="javascript:;" class="aLightGray" title="DNS耗时">DNS耗时</a> <a href="javascript:;" class="aLightGray" title="PerformanceResourceTiming">PerformanceResourceTiming</a> <a href="javascript:;" class="aLightGray" title="TLS耗时">TLS耗时</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/628966.html" class="aBlack" target="_blank" title="PerformanceResourceTiming 拆分 DNS 与 TLS 耗时">PerformanceResourceTiming 拆分 DNS 与 TLS 耗时</a> </dt> <dd class="cont2"> <span><i class="view"></i>108浏览</span> <span class="collectBtn user_collection" data-id="628966" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628935.html" class="img_box" title="WebSocket 重连退避与页面卸载的收尾"> <img src="/uploads/20260929/1790633423-05faf3813b-fbcd61628a-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="WebSocket 重连退避与页面卸载的收尾"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  4天前  |   <a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> · <a href="/articletag/1017_new_0_1.html" class="aLightGray" title="websocket">websocket</a> · </span> </dd> <dt class="lineOverflow"> <a href="/article/628935.html" class="aBlack" target="_blank" title="WebSocket 重连退避与页面卸载的收尾">WebSocket 重连退避与页面卸载的收尾</a> </dt> <dd class="cont2"> <span><i class="view"></i>381浏览</span> <span class="collectBtn user_collection" data-id="628935" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628898.html" class="img_box" title="Fetch keepalive 处理页面卸载前的小请求"> <img src="/uploads/20260929/1790625388-2ecad5c195-630d4e3340-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="Fetch keepalive 处理页面卸载前的小请求"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  4天前  |   </span> </dd> <dt class="lineOverflow"> <a href="/article/628898.html" class="aBlack" target="_blank" title="Fetch keepalive 处理页面卸载前的小请求">Fetch keepalive 处理页面卸载前的小请求</a> </dt> <dd class="cont2"> <span><i class="view"></i>291浏览</span> <span class="collectBtn user_collection" data-id="628898" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628861.html" class="img_box" title="CSS @scope 限定组件样式作用域的迁移方法"> <img src="/uploads/20260929/1790617094-72cf73b65f-35bf712b77-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="CSS @scope 限定组件样式作用域的迁移方法"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  4天前  |   </span> </dd> <dt class="lineOverflow"> <a href="/article/628861.html" class="aBlack" target="_blank" title="CSS @scope 限定组件样式作用域的迁移方法">CSS @scope 限定组件样式作用域的迁移方法</a> </dt> <dd class="cont2"> <span><i class="view"></i>294浏览</span> <span class="collectBtn user_collection" data-id="628861" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628828.html" class="img_box" title="View Transition API 在 SPA 状态切换中的降级方案"> <img src="/uploads/20260928/1790608028-338e668a61-f019ad7860-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="View Transition API 在 SPA 状态切换中的降级方案"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  4天前  |   </span> </dd> <dt class="lineOverflow"> <a href="/article/628828.html" class="aBlack" target="_blank" title="View Transition API 在 SPA 状态切换中的降级方案">View Transition API 在 SPA 状态切换中的降级方案</a> </dt> <dd class="cont2"> <span><i class="view"></i>142浏览</span> <span class="collectBtn user_collection" data-id="628828" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628791.html" class="img_box" title="FormDataEvent 统一拦截原生表单数据的实现"> <img src="/uploads/20260928/1790598992-d7892db084-db4a0710e6-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="FormDataEvent 统一拦截原生表单数据的实现"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  4天前  |   <a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> · <a href="/articletag/39796_new_0_1.html" class="aLightGray" title="表单">表单</a> · <a href="javascript:;" class="aLightGray" title="FormData">FormData</a> <a href="javascript:;" class="aLightGray" title="FormDataEvent">FormDataEvent</a> <a href="javascript:;" class="aLightGray" title="formdata事件">formdata事件</a> <a href="javascript:;" class="aLightGray" title="原生表单">原生表单</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/628791.html" class="aBlack" target="_blank" title="FormDataEvent 统一拦截原生表单数据的实现">FormDataEvent 统一拦截原生表单数据的实现</a> </dt> <dd class="cont2"> <span><i class="view"></i>288浏览</span> <span class="collectBtn user_collection" data-id="628791" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628732.html" class="img_box" title="requestSubmit 与 form.submit 有什么区别"> <img src="/uploads/20260928/1790567765-fb3386bf53-d03de0145e-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="requestSubmit 与 form.submit 有什么区别"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  4天前  |   <a href="/articletag/240_new_0_1.html" class="aLightGray" title="html">html</a> · <a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> · <a href="/articletag/39796_new_0_1.html" class="aLightGray" title="表单">表单</a> · <a href="javascript:;" class="aLightGray" title="requestSubmit">requestSubmit</a> <a href="javascript:;" class="aLightGray" title="form.submit">form.submit</a> <a href="javascript:;" class="aLightGray" title="HTML表单校验">HTML表单校验</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/628732.html" class="aBlack" target="_blank" title="requestSubmit 与 form.submit 有什么区别">requestSubmit 与 form.submit 有什么区别</a> </dt> <dd class="cont2"> <span><i class="view"></i>392浏览</span> <span class="collectBtn user_collection" data-id="628732" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628698.html" class="img_box" title="scheduler.yield 怎么把长任务拆开又保持优先级"> <img src="/uploads/20260928/1790548372-6dd18971c7-ad2cee9c79-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="scheduler.yield 怎么把长任务拆开又保持优先级"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  5天前  |   </span> </dd> <dt class="lineOverflow"> <a href="/article/628698.html" class="aBlack" target="_blank" title="scheduler.yield 怎么把长任务拆开又保持优先级">scheduler.yield 怎么把长任务拆开又保持优先级</a> </dt> <dd class="cont2"> <span><i class="view"></i>110浏览</span> <span class="collectBtn user_collection" data-id="628698" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628663.html" class="img_box" title="CSS scroll-timeline 怎么驱动滚动进度动画"> <img src="/uploads/20260928/1790541441-6aa49ed683-5c7f576dc2-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="CSS scroll-timeline 怎么驱动滚动进度动画"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  5天前  |   <a href="javascript:;" class="aLightGray" title="CSS">CSS</a> <a href="javascript:;" class="aLightGray" title="滚动动画">滚动动画</a> <a href="javascript:;" class="aLightGray" title="animation-timeline">animation-timeline</a> <a href="javascript:;" class="aLightGray" title="scroll-timeline">scroll-timeline</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/628663.html" class="aBlack" target="_blank" title="CSS scroll-timeline 怎么驱动滚动进度动画">CSS scroll-timeline 怎么驱动滚动进度动画</a> </dt> <dd class="cont2"> <span><i class="view"></i>251浏览</span> <span class="collectBtn user_collection" data-id="628663" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/628628.html" class="img_box" title="IntersectionObserver scrollMargin 怎么处理嵌套滚动容器"> <img src="/uploads/20260928/1790533291-72567f3020-d2158a67ed-cover-640.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="IntersectionObserver scrollMargin 怎么处理嵌套滚动容器"> </a> <dl> <dd class="cont1"> <span> <a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> · <a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>   |  5天前  |   </span> </dd> <dt class="lineOverflow"> <a href="/article/628628.html" class="aBlack" target="_blank" title="IntersectionObserver scrollMargin 怎么处理嵌套滚动容器">IntersectionObserver scrollMargin 怎么处理嵌套滚动容器</a> </dt> <dd class="cont2"> <span><i class="view"></i>380浏览</span> <span class="collectBtn user_collection" data-id="628628" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> </ul> </div> </div> <div class="mainRight"> <!-- 右侧广告位banner --> <div class="rightContBox" style="margin-top: 0px;"> <div class="rightTit"> <a href="/courselist.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit lineOverflow">课程推荐</div> </div> <ul class="lessonRecomRList"> <li> <a href="/course/9.html" class="img_box" target="_blank" title="前端进阶之JavaScript设计模式"> <img src="/uploads/20221222/52fd0f23a454c71029c2c72d206ed815.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="前端进阶之JavaScript设计模式"> </a> <dl> <dt class="lineTwoOverflow"><a href="/course/9.html" target="_blank" class="aBlack" title="前端进阶之JavaScript设计模式">前端进阶之JavaScript设计模式</a></dt> <dd class="cont1 lineTwoOverflow"> 设计模式是开发人员在软件开发过程中面临一般问题时的解决方案，代表了最佳的实践。本课程的主打内容包括JS常见设计模式以及具体应用场景，打造一站式知识长龙服务，适合有JS基础的同学学习。 </dd> <dd class="cont2">543次学习</dd> </dl> </li> <li> <a href="/course/2.html" class="img_box" target="_blank" title="GO语言核心编程课程"> <img src="/uploads/20221221/634ad7404159bfefc6a54a564d437b5f.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="GO语言核心编程课程"> </a> <dl> <dt class="lineTwoOverflow"><a href="/course/2.html" target="_blank" class="aBlack" title="GO语言核心编程课程">GO语言核心编程课程</a></dt> <dd class="cont1 lineTwoOverflow"> 本课程采用真实案例，全面具体可落地，从理论到实践，一步一步将GO核心编程技术、编程思想、底层实现融会贯通，使学习者贴近时代脉搏，做IT互联网时代的弄潮儿。 </dd> <dd class="cont2">516次学习</dd> </dl> </li> <li> <a href="/course/74.html" class="img_box" target="_blank" title="简单聊聊mysql8与网络通信"> <img src="/uploads/20240103/bad35fe14edbd214bee16f88343ac57c.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="简单聊聊mysql8与网络通信"> </a> <dl> <dt class="lineTwoOverflow"><a href="/course/74.html" target="_blank" class="aBlack" title="简单聊聊mysql8与网络通信">简单聊聊mysql8与网络通信</a></dt> <dd class="cont1 lineTwoOverflow"> 如有问题加微信：Le-studyg；在课程中，我们将首先介绍MySQL8的新特性，包括性能优化、安全增强、新数据类型等，帮助学生快速熟悉MySQL8的最新功能。接着，我们将深入解析MySQL的网络通信机制，包括协议、连接管理、数据传输等，让 </dd> <dd class="cont2">500次学习</dd> </dl> </li> <li> <a href="/course/57.html" class="img_box" target="_blank" title="JavaScript正则表达式基础与实战"> <img src="/uploads/20221226/bbe4083bb3cb0dd135fb02c31c3785fb.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="JavaScript正则表达式基础与实战"> </a> <dl> <dt class="lineTwoOverflow"><a href="/course/57.html" target="_blank" class="aBlack" title="JavaScript正则表达式基础与实战">JavaScript正则表达式基础与实战</a></dt> <dd class="cont1 lineTwoOverflow"> 在任何一门编程语言中,正则表达式,都是一项重要的知识,它提供了高效的字符串匹配与捕获机制,可以极大的简化程序设计。 </dd> <dd class="cont2">487次学习</dd> </dl> </li> <li> <a href="/course/28.html" class="img_box" target="_blank" title="从零制作响应式网站—Grid布局"> <img src="/uploads/20221223/ac110f88206daeab6c0cf38ebf5fe9ed.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="从零制作响应式网站—Grid布局"> </a> <dl> <dt class="lineTwoOverflow"><a href="/course/28.html" target="_blank" class="aBlack" title="从零制作响应式网站—Grid布局">从零制作响应式网站—Grid布局</a></dt> <dd class="cont1 lineTwoOverflow"> 本系列教程将展示从零制作一个假想的网络科技公司官网，分为导航，轮播，关于我们，成功案例，服务流程，团队介绍，数据部分，公司动态，底部信息等内容区块。网站整体采用CSSGrid布局，支持响应式，有流畅过渡和展现动画。 </dd> <dd class="cont2">485次学习</dd> </dl> </li> </ul> </div> <div class="rightContBox"> <div class="rightTit"> <a href="/ai.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit lineOverflow">AI推荐</div> </div> <ul class="lessonRecomRList"> <li> <a href="/ai/13900.html" target="_blank" title="PubMedQA数据集详解：生物医学问答基准、功能与应用指南" class="img_box"> <img src="/uploads/20260908/6a9f83280940e7.65575695.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="PubMedQA数据集详解：生物医学问答基准、功能与应用指南" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13900.html" class="aBlack" target="_blank" title="PubMedQA">PubMedQA</a></dt> <dd class="cont1 lineTwoOverflow"> 深入了解PubMedQA生物医学问答数据集，涵盖其核心功能、使用方法及在临床决策、药物研发等场景的应用，助力提升NLP模型性能。 </dd> <dd class="cont2">307次使用</dd> </dl> </li> <li> <a href="/ai/13899.html" target="_blank" title="H2O EvalGPT：开源LLM大模型评估与排行榜工具" class="img_box"> <img src="/uploads/20260908/17887986376a9ee6adaf3f5.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="H2O EvalGPT：开源LLM大模型评估与排行榜工具" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13899.html" class="aBlack" target="_blank" title="H2O EvalGPT">H2O EvalGPT</a></dt> <dd class="cont1 lineTwoOverflow"> H2O EvalGPT是H2O.ai推出的开源LLM评估平台，提供详细的大模型性能排行榜、行业特定基准测试及A/B测试功能，助您快速选择最适合项目的高性能大语言模型。 </dd> <dd class="cont2">365次使用</dd> </dl> </li> <li> <a href="/ai/13898.html" target="_blank" title="LMArena是什么？伯克利AI模型评估平台使用指南与功能解析" class="img_box"> <img src="/uploads/20260908/6a9f862dbcfec7.27385604.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="LMArena是什么？伯克利AI模型评估平台使用指南与功能解析" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13898.html" class="aBlack" target="_blank" title="LMArena">LMArena</a></dt> <dd class="cont1 lineTwoOverflow"> LMArena是加州大学伯克利分校推出的AI模型匿名评测平台。通过盲测投票机制，用户可对比不同大模型回答并生成实时排行榜，助力开发者优化模型及用户选择最佳AI工具。 </dd> <dd class="cont2">360次使用</dd> </dl> </li> <li> <a href="/ai/13897.html" target="_blank" title="斯坦福HELM：大语言模型Holistic Evaluation整体评估框架详解" class="img_box"> <img src="/uploads/20260908/6a9f86b31ed789.06773114.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="斯坦福HELM：大语言模型Holistic Evaluation整体评估框架详解" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13897.html" class="aBlack" target="_blank" title="HELM">HELM</a></dt> <dd class="cont1 lineTwoOverflow"> 深入了解斯坦福推出的HELM（Holistic Evaluation of Language Models）大模型评测体系。本文解析其核心功能、安装配置步骤及应用场景，涵盖准确性、公平性、鲁棒性等多维度指标，助力开发者全面优化语言模型性能。 </dd> <dd class="cont2">328次使用</dd> </dl> </li> <li> <a href="/ai/13896.html" target="_blank" title="MMBench详解：多模态大模型基准测试、功能特点与使用指南" class="img_box"> <img src="/uploads/20260908/6a9f86d3eed3e7.18564236.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="MMBench详解：多模态大模型基准测试、功能特点与使用指南" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13896.html" class="aBlack" target="_blank" title="MMBench">MMBench</a></dt> <dd class="cont1 lineTwoOverflow"> MMBench是由上海人工智能实验室等机构联合推出的多模态基准测试平台，提供细粒度能力评估、大规模数据集及VLMEvalKit工具。本文详细介绍其核心功能、安装使用方法及应用场景，助力开发者全面评估多模态模型性能。 </dd> <dd class="cont2">152次使用</dd> </dl> </li> </ul> </div> <!-- 相关文章 --> <div class="rightContBox"> <div class="rightTit"> <a href="/articlelist.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit lineOverflow">相关文章</div> </div> <ul class="aboutArticleRList"> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/207000.html" class="aBlack" title="JavaScript函数定义及示例详解">JavaScript函数定义及示例详解</a></dt> <dd> <span class="left">2025-05-11</span> <span class="right">502浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/621422.html" class="aBlack" title="智能体安全引领产业升级——国内AI安全产品市场深度分析">智能体安全引领产业升级——国内AI安全产品市场深度分析</a></dt> <dd> <span class="left">2026-08-21</span> <span class="right">501浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/619053.html" class="aBlack" title="CSS变量简化按钮悬停效果技巧">CSS变量简化按钮悬停效果技巧</a></dt> <dd> <span class="left">2026-05-31</span> <span class="right">501浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/618916.html" class="aBlack" title="JavaScript符号类型详解与应用">JavaScript符号类型详解与应用</a></dt> <dd> <span class="left">2026-05-31</span> <span class="right">501浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/612539.html" class="aBlack" title="HTML剪贴板复制粘贴怎么用">HTML剪贴板复制粘贴怎么用</a></dt> <dd> <span class="left">2026-05-26</span> <span class="right">501浏览</span> </dd> </dl> </li> </ul> </div> </div> </div> <div class="footer"> <div class="footerIn"> <div class="footLeft"> <div class="linkBox"> <a href="/about/1.html" target="_blank" class="aBlack" title="关于我们">关于我们</a> <a href="/about/5.html" target="_blank" class="aBlack" title="免责声明">免责声明</a> <a href="#" class="aBlack" title="意见反馈">意见反馈</a> <a href="/about/2.html" class="aBlack" target="_blank" title="联系我们">联系我们</a> <a href="/send.html" class="aBlack" title="广告合作">内容提交</a> <a href="/manual/go/" target="_blank" class="aBlack" title="手册">手册</a> </div> <div class="footTip">Golang学习网：公益在线Go学习平台，帮助Go学习者快速成长！</div> <div class="shareBox"> <span><i class="qq"></i>技术交流群</span> </div> <div class="copyRight"> Copyright 2023 http://www.17golang.com/ All Rights Reserved ｜ <a href="https://beian.miit.gov.cn/" target="_blank" title="备案">湘ICP备19018815号-4</a> </div> </div> <div class="footRight"> <ul class="encodeList"> <li> <div class="encodeImg"> <img src="/assets/examples/qrcode_for_gh.jpg" alt="Golang学习网"> </div> <div class="tit">关注公众号</div> <div class="tip">Golang学习网</div> </li> <div class="clear"></div> </ul> </div> <div class="clear"></div> </div> </div> <!-- 微信登录弹窗 --> <style> .popupBg .n-error{ color: red; } </style> <div class="popupBg"> <div class="loginBoxBox"> <div class="imgbg"> <img src="/assets/images/leftlogo.jpg" alt=""> </div> <!-- 微信登录 --> <div class="loginInfo encodeLogin" style="display: none;"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="changeLoginType cursorPointer create_wxqrcode" onclick="$('.loginInfo').hide();$('.passwordLogin').show();"> <div class="tip">密码登录在这里</div> </div> <div class="encodeInfo"> <div class="tit"><i></i> 微信扫码登录或注册</div> <div class="encodeImg"> <span id="wx_login_qrcode"><img src="/assets/examples/code.png" alt="二维码"></span> <!-- <div class="refreshBox"> <p>二维码失效</p> <button type="button" class="create_wxqrcode">刷新1111</button> </div> --> </div> <div class="tip">打开微信扫一扫，快速登录/注册</div> </div> <div class="beforeLoginTip">登录即同意 <a href="#" class="aBlue" title="用户协议">用户协议</a> 和 <a href="#" class="aBlue" title="隐私政策">隐私政策</a></div> </div> <!-- 密码登录 --> <div class="loginInfo passwordLogin"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="changeLoginType cursorPointer create_wxqrcode" onclick="$('.loginInfo').hide();$('.encodeLogin').show();"> <div class="tip">微信登录更方便</div> </div> <div class="passwordInfo"> <ul class="logintabs selfTabMenu"> <li class="selfTabItem loginFormLi curr">密码登录</li> <li class="selfTabItem registerFormBox ">注册账号</li> </ul> <div class="selfTabContBox"> <div class="selfTabCont loginFormBox" style="display: block;"> <form name="form" id="login-form" class="form-vertical form" method="POST" action="/index/user/login"> <input type="hidden" name="url" value="//www.17golang.com/article/515388.html"/> <input type="hidden" name="__token__" value="99266b45ebb030e60f78a3a401da239c" /> <div class="form-group" style="height:70px;"> <input class="form-control" id="account" type="text" name="account" value="" data-rule="required" placeholder="邮箱/用户名" autocomplete="off"> </div> <div class="form-group" style="height:70px;"> <input class="form-control" id="password" type="password" name="password" data-rule="required;password" placeholder="密码" autocomplete="off"> </div> <div class="codeBox" style="height:70px;"> <div class="form-group" style="height:70px; width:205px; float: left;"> <input type="text" name="captcha" class="form-control" placeholder="验证码" data-rule="required;length(4)" /> </div> <span class="input-group-btn" style="padding:0;border:none;"> <img src="/captcha.html" width="100" height="45" onclick="this.src = '/captcha.html?r=' + Math.random();"/> </span> </div> <div class="other"> <a href="#" class="forgetPwd aGray" onclick="$('.loginInfo').hide();$('.passwordForget').show();" title="忘记密码">忘记密码</a> </div> <div class="loginBtn mt25"> <button type="submit">登录</button> </div> </form> </div> <div class="selfTabCont registerFormBox" style="display: none;"> <form name="form1" id="register-form" class="form-vertical form" method="POST" action="/index/user/register"> <input type="hidden" name="invite_user_id" value="0"/> <input type="hidden" name="url" value="//www.17golang.com/article/515388.html"/> <input type="hidden" name="__token__" value="99266b45ebb030e60f78a3a401da239c" /> <div class="form-group" style="height:70px;"> <input type="text" name="email" id="email2" data-rule="required;email" class="form-control" placeholder="邮箱"> </div> <div class="form-group" style="height:70px;"> <input type="text" id="username" name="username" data-rule="required;username" class="form-control" placeholder="用户名必须3-30个字符"> </div> <div class="form-group" style="height:70px;"> <input type="password" id="password2" name="password" data-rule="required;password" class="form-control" placeholder="密码必须6-30个字符"> </div> <div class="codeBox" style="height:70px;"> <div class="form-group" style="height:70px; width:205px; float: left;"> <input type="text" name="captcha" class="form-control" placeholder="验证码" data-rule="required;length(4)" /> </div> <span class="input-group-btn" style="padding:0;border:none;"> <img src="/captcha.html" width="100" height="45" onclick="this.src = '/captcha.html?r=' + Math.random();"/> </span> </div> <div class="loginBtn"> <button type="submit">注册</button> </div> </form> </div> </div> </div> <div class="beforeLoginTip">登录即同意 <a href="https://www.17golang.com/about/3.html" target="_blank" class="aBlue" title="用户协议">用户协议</a> 和 <a href="https://www.17golang.com/about/4.html" target="_blank" class="aBlue" title="隐私政策">隐私政策</a></div> </div> <!-- 重置密码 --> <div class="loginInfo passwordForget"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="returnLogin cursorPointer" onclick="$('.passwordForget').hide();$('.passwordLogin').show();">返回登录</div> <div class="passwordInfo"> <ul class="logintabs selfTabMenu"> <li class="selfTabItem">重置密码</li> </ul> <div class="selfTabContBox"> <div class="selfTabCont"> <form id="resetpwd-form" class="form-horizontal form-layer nice-validator n-default n-bootstrap form" method="POST" action="/api/user/resetpwd.html" novalidate="novalidate"> <div style="height:70px;"> <input type="text" class="form-control" id="email" name="email" value="" placeholder="输入邮箱" aria-invalid="true"> </div> <div class="codeBox" style="height:70px;"> <div class="form-group" style="height:70px; width:205px; float: left;"> <input type="text" name="captcha" class="form-control" placeholder="验证码" /> </div> <span class="input-group-btn" style="padding:0;border:none;"> <a href="javascript:;" class="btn btn-primary btn-captcha cursorPointer" style="background: #2080F8; border-radius: 4px; color: #fff; padding: 12px; position: absolute;" data-url="/api/ems/send.html" data-type="email" data-event="resetpwd">发送验证码</a> </span> </div> <input type="password" class="form-control" id="newpassword" name="newpassword" value="" placeholder="请输入6-18位密码"> <div class="loginBtn mt25"> <button type="submit">重置密码</button> </div> </form> </div> </div> </div> </div> </div> </div> <script src="/assets/js/juejin-theme.js?v=20260613b" defer></script> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?e34c3e8ab31ba35d7e1c48ea8d77315f"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <script src="/assets/js/frontend/common.js"></script> </body> </html>