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<li class="toctree-l2 has-children"><a class="reference internal" href="sharepoint.html">扫描 SharePoint</a><input aria-label="Toggle navigation of 扫描 SharePoint" class="toctree-checkbox" id="toctree-checkbox-4" name="toctree-checkbox-4" role="switch" type="checkbox"/><label for="toctree-checkbox-4"><span class="icon"><svg><use href="#svg-arrow-right"></use></svg></span></label><ul>
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<li class="toctree-l4"><a class="reference internal" href="certificatebased-auth.html">基于证书的身份验证</a></li>
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<li class="toctree-l3"><a class="reference internal" href="optionsviewdirectorytree.html">目录树</a></li>
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<li class="toctree-l3"><a class="reference internal" href="optionsdialog-fileages.html">文件的年龄</a></li>
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<li class="toctree-l3"><a class="reference internal" href="options-topfiles.html">顶级文件</a></li>
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<li class="toctree-l3"><a class="reference internal" href="optionssystemcontextmenu.html">上下文菜单</a></li>
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</ul>
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<li class="toctree-l1 current has-children"><a class="reference internal" href="file-search.html">使用文件搜索</a><input aria-label="Toggle navigation of 使用文件搜索" checked="" class="toctree-checkbox" id="toctree-checkbox-7" name="toctree-checkbox-7" role="switch" type="checkbox"/><label for="toctree-checkbox-7"><span class="icon"><svg><use href="#svg-arrow-right"></use></svg></span></label><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="file_search_main_menu.html">文件搜索 Ribbon 栏</a></li>
<li class="toctree-l2"><a class="reference internal" href="file_search_searchpaths.html">搜索路径</a></li>
<li class="toctree-l2 has-children"><a class="reference internal" href="basicsearch.html">基本搜索</a><input aria-label="Toggle navigation of 基本搜索" class="toctree-checkbox" id="toctree-checkbox-8" name="toctree-checkbox-8" role="switch" type="checkbox"/><label for="toctree-checkbox-8"><span class="icon"><svg><use href="#svg-arrow-right"></use></svg></span></label><ul>
<li class="toctree-l3"><a class="reference internal" href="searchsyntax.html">搜索语法</a></li>
</ul>
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<li class="toctree-l2 current has-children current-page"><a class="current reference internal" href="#">重复文件搜索</a><input aria-label="Toggle navigation of 重复文件搜索" checked="" class="toctree-checkbox" id="toctree-checkbox-9" name="toctree-checkbox-9" role="switch" type="checkbox"/><label for="toctree-checkbox-9"><span class="icon"><svg><use href="#svg-arrow-right"></use></svg></span></label><ul>
<li class="toctree-l3"><a class="reference internal" href="example_duplicatesearch.html">重复搜索是如何工作的？</a></li>
<li class="toctree-l3"><a class="reference internal" href="deduplication.html">去重是如何工作的？</a></li>
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<li class="toctree-l2 has-children"><a class="reference internal" href="custom_file_search.html">高级搜索</a><input aria-label="Toggle navigation of 高级搜索" class="toctree-checkbox" id="toctree-checkbox-10" name="toctree-checkbox-10" role="switch" type="checkbox"/><label for="toctree-checkbox-10"><span class="icon"><svg><use href="#svg-arrow-right"></use></svg></span></label><ul>
<li class="toctree-l3"><a class="reference internal" href="searchfilter_definition.html">如何定义搜索过滤器？</a></li>
<li class="toctree-l3"><a class="reference internal" href="availablefiltertypes.html">可用哪些类型的过滤器？</a></li>
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<li class="toctree-l2"><a class="reference internal" href="filesearch_templates.html">文件搜索模板</a></li>
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<article role="main" id="furo-main-content">
<section id="duplicate-file-search">
<h1>重复文件搜索<a class="headerlink" href="#duplicate-file-search" title="Link to this heading">¶</a></h1>
<p>重复文件搜索在选定的驱动器或共享上搜索重复文件。</p>
<p>在此上下文中，重复文件是指似乎存在多次的文件。这些冗余文件不必要地增加了磁盘的分配空间。</p>
<a class="reference internal image-reference" href="_images/TreeSize-FileSearch_DuplicateFiles.png"><img alt="_images/TreeSize-FileSearch_DuplicateFiles.png" class="align-center" src="_images/TreeSize-FileSearch_DuplicateFiles.png" style="width: 100%;" />
</a>
<section id="context-tab">
<h2>上下文选项卡<a class="headerlink" href="#context-tab" title="Link to this heading">¶</a></h2>
<section id="search-mode">
<h3>搜索模式<a class="headerlink" href="#search-mode" title="Link to this heading">¶</a></h3>
<p>选择三种重复项搜索模式之一。您可以搜索重复文件、重复文件夹或没有任何重复项的文件。</p>
<section id="duplicate-files">
<h4>重复文件<a class="headerlink" href="#duplicate-files" title="Link to this heading">¶</a></h4>
<p>使用所选的比较方法搜索彼此重复的文件。</p>
</section>
<section id="duplicate-folders">
<h4>重复文件夹<a class="headerlink" href="#duplicate-folders" title="Link to this heading">¶</a></h4>
<p>搜索相互重复的文件夹。如果两个文件夹包含相同数量的子文件夹和文件，则认为它们是重复的。这些子文件夹和文件在所选比较方法下也必须彼此相等。</p>
</section>
<section id="unique-files">
<h4>唯一文件<a class="headerlink" href="#unique-files" title="Link to this heading">¶</a></h4>
<p>此设置搜索在所选搜索路径中没有任何重复的文件。</p>
</section>
</section>
<section id="comparison-method">
<h3>比较方法<a class="headerlink" href="#comparison-method" title="Link to this heading">¶</a></h3>
<p>定义应使用哪些标准来识别文件为重复文件。以下是可用策略的列表：</p>
<section id="file-content">
<h4>文件内容<a class="headerlink" href="#file-content" title="Link to this heading">¶</a></h4>
<p>此选项默认使用MD5校验和进行比较。</p>
<p>使用此方法时，会根据每个文件的内容计算所谓的哈希值。内容相同的文件将具有相同的哈希值，而内容不同的文件几乎肯定会具有不同的值。空文件被忽略，因为没有内容可供比较。</p>
<p>这比通过文件名、大小和日期进行比较更准确，但速度也慢得多。</p>
<p>在文件搜索选项中，可以调整此方法以使用SHA256哈希。与MD5相比，SHA256算法进一步降低了哈希碰撞的统计风险，但速度也显著较慢。此选项仅在使用专家应用模式时可见。</p>
</section>
<section id="size-name-and-date">
<h4>大小、名称和日期<a class="headerlink" href="#size-name-and-date" title="Link to this heading">¶</a></h4>
<p>选择此选项通过查找相同的名称、大小和最后修改日期来识别重复文件。</p>
<p>这比使用校验和指示重复文件要快得多，但准确性较低。</p>
</section>
<section id="name-and-size">
<h4>名称和大小<a class="headerlink" href="#name-and-size" title="Link to this heading">¶</a></h4>
<p>选择此选项通过查找相同的名称和大小来识别重复文件。</p>
<p>与第一个比较标准相同，但不考虑文件的“最后修改”时间戳。</p>
<p>如果文件已从一个位置移动到另一个位置，这可能会修改此时间戳，因此此选项非常有用。</p>
</section>
<section id="name">
<h4>名称<a class="headerlink" href="#name" title="Link to this heading">¶</a></h4>
<p>选择此选项以查找所有具有相同文件名的文件。</p>
<p>此比较类型在您搜索不需要的副本（例如，已被本地复制和修改的文档）时可能会很有帮助。</p>
</section>
<section id="name-without-extension">
<h4>不带扩展名的名称<a class="headerlink" href="#name-without-extension" title="Link to this heading">¶</a></h4>
<p>选择此选项以检测具有相同名称的文件，而不考虑文件扩展名。</p>
<p>这在您搜索重复备份文件或例如原始数据和压缩图像或视频文件（“MyPhoto.bmp” - “MyPhoto.png”）时可能会很有趣。</p>
</section>
<section id="size-and-date">
<h4>大小和日期<a class="headerlink" href="#size-and-date" title="Link to this heading">¶</a></h4>
<p>根据文件的大小和日期值进行比较。这允许更快但因此不太准确地搜索具有不同名称的重复文件。使用此方法可以快速识别名称为“Copy of ...”的意外副本。</p>
</section>
<section id="size-only">
<h4>仅按大小<a class="headerlink" href="#size-only" title="Link to this heading">¶</a></h4>
<p>选择此选项以查找所有大小相等的文件。</p>
</section>
</section>
<section id="search-filters">
<h3>搜索过滤器<a class="headerlink" href="#search-filters" title="Link to this heading">¶</a></h3>
<p>自定义重复文件搜索的附加选项：</p>
<section id="exclude-filter">
<h4>排除过滤器<a class="headerlink" href="#exclude-filter" title="Link to this heading">¶</a></h4>
<p>允许激活、停用或自定义此搜索的全局排除过滤器。</p>
<p>通过将重复搜索限制为特定的文件预选，您可以防止将某些目录（例如您的本地系统目录）中的文件列为重复项。此外，此选项将减少要比较的文件数量，从而提高搜索速度。</p>
</section>
<section id="ignore-ntfs-hardlinks">
<h4>忽略 NTFS 硬链接<a class="headerlink" href="#ignore-ntfs-hardlinks" title="Link to this heading">¶</a></h4>
<p>如果激活此选项，则硬链接不被视为文件重复项。注意：NTFS 硬链接不分配内存。因此，删除它们不会释放额外的内存。此外，TreeSize 使用硬链接进行去重。</p>
</section>
</section>
</section>
<section id="deduplicate">
<h2>去重<a class="headerlink" href="#deduplicate" title="Link to this heading">¶</a></h2>
<p>使用“操作 > 去重”按钮，通过 NTFS 硬链接替换所有选中的重复文件，保留一个副本（<a class="reference internal" href="deduplication.html#deduplication"><span class="std std-ref">去重是如何工作的？</span></a>）。</p>
<a class="reference internal image-reference" href="_images/TreeSize-FileSearch_Duplicates_Deduplicate.png"><img alt="_images/TreeSize-FileSearch_Duplicates_Deduplicate.png" class="align-center" src="_images/TreeSize-FileSearch_Duplicates_Deduplicate.png" style="width: 100%;" />
</a>
<p>在配置窗口中，您可以选择一个日志文件以记录执行的替换操作。您还可以定义 TreeSize 如何处理位于不同硬盘上的文件。</p>
<p>您可以选择单独用硬链接替换位于同一硬盘上的文件，或简单选择一个参考驱动器，用符号链接替换位于其他硬盘上的所有文件。</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>如果无法授予创建符号链接的权限，则将创建一个 Windows 快捷方式（.LNK 文件）作为后备。</p>
</div>
<p>重复文件列表的上下文菜单提供了一个名为“用硬链接替换重复项”的功能。</p>
<p>此功能的工作方式与“去重”功能相同，但将处理所有选定的文件，而不是选中的文件。</p>
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<li><a class="reference internal" href="#">重复文件搜索</a><ul>
<li><a class="reference internal" href="#context-tab">上下文选项卡</a><ul>
<li><a class="reference internal" href="#search-mode">搜索模式</a><ul>
<li><a class="reference internal" href="#duplicate-files">重复文件</a></li>
<li><a class="reference internal" href="#duplicate-folders">重复文件夹</a></li>
<li><a class="reference internal" href="#unique-files">唯一文件</a></li>
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<li><a class="reference internal" href="#comparison-method">比较方法</a><ul>
<li><a class="reference internal" href="#file-content">文件内容</a></li>
<li><a class="reference internal" href="#size-name-and-date">大小、名称和日期</a></li>
<li><a class="reference internal" href="#name-and-size">名称和大小</a></li>
<li><a class="reference internal" href="#name">名称</a></li>
<li><a class="reference internal" href="#name-without-extension">不带扩展名的名称</a></li>
<li><a class="reference internal" href="#size-and-date">大小和日期</a></li>
<li><a class="reference internal" href="#size-only">仅按大小</a></li>
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<li><a class="reference internal" href="#exclude-filter">排除过滤器</a></li>
<li><a class="reference internal" href="#ignore-ntfs-hardlinks">忽略 NTFS 硬链接</a></li>
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<li><a class="reference internal" href="#deduplicate">去重</a></li>
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