XPath的name()函数如何获取节点名称?

name()函数返回节点的完整名称(含命名空间前缀),而local-name()仅返回本地名称。例如,name(//prefix:element)返回”prefix:element”,local-name()返回”element”。在无命名空间时二者结果相同。需判断命名空间时用name(),否则local-name()更高效。可用//*[name()=’book’]进行名称匹配,或结合条件如//*[name()=’book’ and @category=’fiction’]。性能方面,name()在大文档中可能较慢,建议使用具体路径、索引或缓存优化,优先选用local-name()若无需前缀。

xpath的name()函数如何获取节点名称?

XPath的

name()

函数主要用于获取XML或HTML文档中节点的本地名称(local name)。它会返回一个字符串,代表节点的名称,但不包含命名空间前缀。

解决方案:

XPath

name()

函数的使用非常直接。假设你有一个 XML 文档,你想获取所有

book

元素的名称,你可以这样写:

//book/name()

这会返回

book

元素节点的名称,即 “book”。 如果你想获取当前上下文节点的名称,你可以直接使用

name()

而不带任何参数:

name()

举个例子,假设我们有以下XML文档:

      The Lord of the Rings    J.R.R. Tolkien        A Brief History of Time    Stephen Hawking  

如果我们要获取所有

</pre>
<div class="contentsignin"></div>
</div>
<p> 元素的名称,我们可以使用 XPath 表达式:</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class='brush:xpath;toolbar:false;'>//title/name()</pre>
<div class="contentsignin"></div>
</div>
<p>这将返回 “title”。</p>
<p>XPath name()函数和local-name()函数有什么<span class="wpcom_tag_link"><a href="https://www.chuangxiangniao.com/p/tag/qubie" title="区别" target="_blank">区别</a></span>?</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数返回节点的完整名称,包括命名空间前缀(如果存在)。而 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">local-name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数只返回节点的本地名称,不包含任何命名空间前缀。在大多数情况下,如果你处理的 XML 文档没有使用命名空间,那么这两个函数的结果是一样的。但是,如果 XML 文档使用了命名空间,那么它们的区别就变得很重要了。</p>
<p>例如,考虑以下 XML 片段:</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class='brush:xml;toolbar:false;'>  <pre>Content</pre>
<div class="contentsignin"></div>
</div>
<p>如果使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name(//prefix:element)</pre>
<div class="contentsignin"></div>
</div>
<p>,结果将是 "prefix:element"。而如果使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">local-name(//prefix:element)</pre>
<div class="contentsignin"></div>
</div>
<p>,结果将是 "element"。</p>
<p>什么时候应该使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 而不是 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">local-name()</pre>
<div class="contentsignin"></div>
</div>
<p>? 这取决于你的具体需求。如果你需要知道节点是否属于某个特定的命名空间,那么 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数会更有用。如果你只关心节点的本地名称,那么 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">local-name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数就足够了。</p>
<p>如何使用XPath的name()函数进行条件判断?</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数可以与 XPath 的其他函数和操作符结合使用,以进行更复杂的条件判断。 例如,你可以使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数来选择特定名称的节点,或者根据节点的名称执行不同的操作。</p>
<p>假设你只想选择名称为 "book" 的所有节点,你可以使用以下 XPath 表达式:</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class='brush:xpath;toolbar:false;'>//*[name()='book']</pre>
<div class="contentsignin"></div>
</div>
<p>这个表达式会选择文档中所有名称为 "book" 的元素。</p>
<p>或者,假设你想选择所有名称以 "title" 开头的元素,你可以使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">starts-with()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数:</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class='brush:xpath;toolbar:false;'>//*[starts-with(name(), 'title')]</pre>
<div class="contentsignin"></div>
</div>
<p>这个表达式会选择所有名称以 "title" 开头的元素,例如 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;"><title></pre>
<div class="contentsignin"></div>
</div>
<p> 和 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;"></pre>
<div class="contentsignin"></div>
</div>
<p>。</p>
<p>实际上,在更复杂的场景中,你可能会结合多个条件。 比如,你可能想选择所有名称为 "book" 且 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">category</pre>
<div class="contentsignin"></div>
</div>
<p> 属性为 "fiction" 的元素:</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class='brush:xpath;toolbar:false;'>//*[name()='book' and @category='fiction']</pre>
<div class="contentsignin"></div>
</div>
<p>XPath的name()函数性能如何?</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数的性能通常是可以接受的,但在处理大型 XML 文档时,它的性能可能会成为一个瓶颈。 这是因为 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数需要在文档中查找每个节点的名称,这可能需要花费大量的时间。</p>
<p>为了提高性能,可以考虑以下几点:</p>
<p><strong>尽量使用更具体的 XPath 表达式</strong>: 避免使用通配符 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">//</pre>
<div class="contentsignin"></div>
</div>
<p>,而是使用更具体的路径来定位节点。<strong>使用索引</strong>: 如果你的 XML 数据库支持索引,可以考虑为节点的名称创建索引。<strong>避免在循环中使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数</strong>: 如果需要在循环中多次获取同一个节点的名称,可以先将名称缓存到一个变量中,然后再在循环中使用该变量。<strong>考虑使用 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">local-name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数</strong>: 如果你只需要节点的本地名称,那么 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">local-name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数通常比 </p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数更快,因为它不需要处理命名空间前缀。</p>
<p>总之,</p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">name()</pre>
<div class="contentsignin"></div>
</div>
<p> 函数是一个非常有用的 XPath 函数,可以用于获取节点的名称。但是,在使用它时,需要注意性能问题,并采取相应的优化措施。 很多时候,更具体的XPath表达式或者利用索引可以显著提升查询效率。</p>
<p>以上就是XPath的name()函数如何获取节点名称?的详细内容,更多请关注创想鸟其它相关文章!</p>
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                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
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                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1631195.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1631133.html" title="当父元素仅设置行高时,块级和行内块级元素的行为有何区别?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="当父元素仅设置行高时,块级和行内块级元素的行为有何区别?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/173016144479794.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1631133.html" target="_blank" rel="bookmark">
                                 当父元素仅设置行高时,块级和行内块级元素的行为有何区别?            </a>
        </h3>
        <div class="item-excerpt">
            <p>当父元素仅设置行高时,块级或行内块级子元素的行为 在 html 中,当父元素仅设置行高 line-height 时,块级或行内块级元素的行为会有所不同。 <line-height: 60px; background-color: antiquewhite; 哈哈哈 行内块级元素(display…</p>
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                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
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                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>2</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1631133.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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</li>
<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630969.html" title="为什么将perspective样式设置在带有transform-style: preserve-3d样式的元素的父级元素上才能得到预期的3D变换效果?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="为什么将perspective样式设置在带有transform-style: preserve-3d样式的元素的父级元素上才能得到预期的3D变换效果?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172999264416461.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
                <a class="item-category" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
            </div>
        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630969.html" target="_blank" rel="bookmark">
                                 为什么将perspective样式设置在带有transform-style: preserve-3d样式的元素的父级元素上才能得到预期的3D变换效果?            </a>
        </h3>
        <div class="item-excerpt">
            <p>perspective必须设置在带有transform style: preserve-3d样式的元素的父级元素上吗? 问题: 你的HTML和CSS代码中,将perspective样式设置在了.scene元素上,当你将其移动到.cube元素后,效果却发生了变化。这是为什么? 解答: perspect…</p>
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        <div class="item-meta">
                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
                </a>
            </div>
                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1630969.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630936.html" title="perspective属性设置在父元素和后代元素上,对3D效果有什么区别?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="perspective属性设置在父元素和后代元素上,对3D效果有什么区别?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172995427663037.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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            </div>
        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630936.html" target="_blank" rel="bookmark">
                                 perspective属性设置在父元素和后代元素上,对3D效果有什么区别?            </a>
        </h3>
        <div class="item-excerpt">
            <p>perspective属性的位置对3d效果的影响 通常情况下,perspective属性需要设置在应用了transform-style: preserve-3d属性的父元素上。然而,如果perspective属性设置在后代元素上会产生不同的效果。 为了演示区别,让我们扩展已有的示例: front b…</p>
        </div>
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                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
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            </div>
                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1630936.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630902.html" title="CSS perspective 属性,设置在不同元素上会产生什么区别?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="CSS perspective 属性,设置在不同元素上会产生什么区别?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172994475215802.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630902.html" target="_blank" rel="bookmark">
                                 CSS perspective 属性,设置在不同元素上会产生什么区别?            </a>
        </h3>
        <div class="item-excerpt">
            <p>perspective 属性在不同元素上的效果对比 CSS 中的 perspective 属性用于指定 3D 转换的视角距离。它可以通过改变物体相对于观察者的远近距离来创建三维效果。然而,将 perspective 设置在不同的元素上会产生不同的效果。 根据提供的代码,我们将 perspective…</p>
        </div>
        <div class="item-meta">
                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
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                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1630902.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630698.html" title="## PostCSS vs. Sass/Less/Stylus:如何选择合适的 CSS 代码编译工具?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="## PostCSS vs. Sass/Less/Stylus:如何选择合适的 CSS 代码编译工具?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172981952143744.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630698.html" target="_blank" rel="bookmark">
                                 ## PostCSS vs. Sass/Less/Stylus:如何选择合适的 CSS 代码编译工具?            </a>
        </h3>
        <div class="item-excerpt">
            <p>PostCSS 与 Sass/Less/Stylus:CSS 代码编译转换中的异同 在 CSS 代码的编译转换领域,PostCSS 与 Sass/Less/Stylus 扮演着重要的角色,但它们的作用却存在细微差异。 区别 PostCSS 主要是一种 CSS 后处理器,它在 CSS 代码编译后进行处…</p>
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                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
                </a>
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                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1630698.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630604.html" title="CSS flex 布局中 justify-content 的 flex-start 和 start 的区别是什么?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="CSS flex 布局中 justify-content 的 flex-start 和 start 的区别是什么?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172974543514138.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
                <a class="item-category" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
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        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630604.html" target="_blank" rel="bookmark">
                                 CSS flex 布局中 justify-content 的 flex-start 和 start 的区别是什么?            </a>
        </h3>
        <div class="item-excerpt">
            <p>CSS flex 中 justify-content 的 flex-start 和 start 的区别 在 CSS flex 布局中,justify-content 属性用于控制子元素在主轴上的对齐方式。其中,flex-start 和 start 似乎是相同的,但实际上它们有微妙的区别。 定义 根据…</p>
        </div>
        <div class="item-meta">
                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
                </a>
            </div>
                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1630604.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630538.html" title="css flex 中 justify-content 的 flex-start 和 start 可互换吗?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="css flex 中 justify-content 的 flex-start 和 start 可互换吗?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172973299615339.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630538.html" target="_blank" rel="bookmark">
                                 css flex 中 justify-content 的 flex-start 和 start 可互换吗?            </a>
        </h3>
        <div class="item-excerpt">
            <p>CSS flex 中 justify-content 的 flex-start 和 start 区别解析 MDN 文档上似乎没有提及 start 和 flex-start 在 justify-content 中的区别,但 post-css 插件却会对此发出警告。本文将对此进行解析。 虽然在官方规范中…</p>
        </div>
        <div class="item-meta">
                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' decoding='async'/>                    <span>程序猿</span>
                </a>
            </div>
                                    <span class="item-meta-li date">2025年12月24日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1630538.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1630518.html" title="“flex-start”和“start”在 CSS Flex 中有何差异?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="“flex-start”和“start”在 CSS Flex 中有何差异?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/172967913224495.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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            </div>
        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1630518.html" target="_blank" rel="bookmark">
                                 “flex-start”和“start”在 CSS Flex 中有何差异?            </a>
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