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Wiki文档转换为Word技术

article 2025/2/13 0:39:32

一、技术背景与目标

Wiki系统导出的文档通常以HTML格式存在，且内容分散在多个文件中，每个页面对应一个HTML文件。然而，Microsoft Word（Word）在处理HTML文件时，仅支持单个HTML文件的导入。因此，为了将Wiki导出的内容转换为Word可识别的格式，必须将分散的HTML文件整合为一个单一的HTML文件。这一过程涉及HTML文件的解析、内容提取、结构重组以及样式调整等多个技术要点。

二、代码逻辑与技术要点解析

（一）WikiToHtml：生成单个HTML文件

WikiToHtml类的核心功能是将分散的Wiki HTML文件整合为一个单一的HTML文件，同时生成导航结构以便在Word中浏览。

1. 清理与初始化

在处理HTML文件之前，首先需要清理目标目录，移除旧文件以避免冲突。clearn方法通过检查文件是否存在并删除它们来实现这一功能：

<span style="color:#060607"><span style="background-color:#ffffff"><span style="background-color:#fafafa"><span style="color:#383a42"><code class="language-java"><span style="color:#a626a4">public</span> <span style="color:#a626a4">static</span> <span style="color:#a626a4">void</span> <span style="color:#4078f2">clearn</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
    <span style="color:#b76b01">File</span> filehhc <span style="color:#4078f2">=</span> <span style="color:#a626a4">new</span> <span style="color:#b76b01">File</span><span style="color:#383a42">(</span>hhcurl<span style="color:#383a42">)</span><span style="color:#383a42">;</span>
    <span style="color:#a626a4">if</span> <span style="color:#383a42">(</span>filehhc<span style="color:#383a42">.</span><span style="color:#4078f2">exists</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
        filehhc<span style="color:#383a42">.</span><span style="color:#4078f2">delete</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span><span style="color:#383a42">;</span>
    <span style="color:#383a42">}</span>
    <em><span style="color:#a0a1a7">// 其他文件的清理逻辑...</span></em>
<span style="color:#383a42">}</span></code></span></span></span></span>

此逻辑确保每次运行程序时，目标目录都是干净的，避免旧文件干扰。

2. 文件遍历与路径收集

getFile方法递归遍历指定目录，收集所有HTML文件的路径，并将这些路径存储到一个StringBuffer中：

<span style="color:#060607"><span style="background-color:#ffffff"><span style="background-color:#fafafa"><span style="color:#383a42"><code class="language-java"><span style="color:#a626a4">public</span> <span style="color:#a626a4">static</span> <span style="color:#a626a4">void</span> <span style="color:#4078f2">getFile</span><span style="color:#383a42">(</span><span style="color:#b76b01">File</span> file<span style="color:#383a42">,</span> <span style="color:#b76b01">StringBuffer</span> str<span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
    <span style="color:#b76b01">File</span><span style="color:#383a42">[</span><span style="color:#383a42">]</span> fileitem <span style="color:#4078f2">=</span> file<span style="color:#383a42">.</span><span style="color:#4078f2">listFiles</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span><span style="color:#383a42">;</span>
    <span style="color:#a626a4">for</span> <span style="color:#383a42">(</span><span style="color:#a626a4">int</span> i <span style="color:#4078f2">=</span> <span style="color:#b76b01">0</span><span style="color:#383a42">;</span> i <span style="color:#4078f2"><</span> fileitem<span style="color:#383a42">.</span>length<span style="color:#383a42">;</span> i<span style="color:#4078f2">++</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
        <span style="color:#a626a4">if</span> <span style="color:#383a42">(</span>fileitem<span style="color:#383a42">[</span>i<span style="color:#383a42">]</span><span style="color:#383a42">.</span><span style="color:#4078f2">isDirectory</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
            <span style="color:#4078f2">getFile</span><span style="color:#383a42">(</span>fileitem<span style="color:#383a42">[</span>i<span style="color:#383a42">]</span><span style="color:#383a42">,</span> str<span style="color:#383a42">)</span><span style="color:#383a42">;</span>
        <span style="color:#383a42">}</span> <span style="color:#a626a4">else</span> <span style="color:#383a42">{</span>
            <span style="color:#a626a4">try</span> <span style="color:#383a42">{</span>
                str<span style="color:#383a42">.</span><span style="color:#4078f2">append</span><span style="color:#383a42">(</span>fileitem<span style="color:#383a42">[</span>i<span style="color:#383a42">]</span><span style="color:#383a42">.</span><span style="color:#4078f2">getCanonicalPath</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span> <span style="color:#4078f2">+</span> <span style="color:#50a14f">"\r\n"</span><span style="color:#383a42">)</span><span style="color:#383a42">;</span>
            <span style="color:#383a42">}</span> <span style="color:#a626a4">catch</span> <span style="color:#383a42">(</span><span style="color:#b76b01">IOException</span> e<span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
                e<span style="color:#383a42">.</span><span style="color:#4078f2">printStackTrace</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span><span style="color:#383a42">;</span>
                <span style="color:#a626a4">if</span> <span style="color:#383a42">(</span>log <span style="color:#4078f2">!=</span> <span style="color:#a626a4">null</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
                    log<span style="color:#383a42">.</span><span style="color:#4078f2">addLog</span><span style="color:#383a42">(</span>e<span style="color:#383a42">.</span><span style="color:#4078f2">getMessage</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span><span style="color:#383a42">)</span><span style="color:#383a42">;</span>
                <span style="color:#383a42">}</span>
            <span style="color:#383a42">}</span>
        <span style="color:#383a42">}</span>
    <span style="color:#383a42">}</span>
<span style="color:#383a42">}</span></code></span></span></span></span>

此方法通过递归遍历目录，确保所有HTML文件的路径都被收集，为后续的文件处理提供基础。

3. HTML内容整合

modifyHtml方法负责处理每个HTML文件，移除不需要的元素（如页眉、页脚、附件等），并调整样式以适应Word的显示需求：

<span style="color:#060607"><span style="background-color:#ffffff"><span style="background-color:#fafafa"><span style="color:#383a42"><code class="language-java"><span style="color:#a626a4">public</span> <span style="color:#a626a4">static</span> <span style="color:#a626a4">void</span> <span style="color:#4078f2">modifyHtml</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
    <span style="color:#b76b01">File</span> homeFile <span style="color:#4078f2">=</span> <span style="color:#a626a4">new</span> <span style="color:#b76b01">File</span><span style="color:#383a42">(</span>home<span style="color:#383a42">)</span><span style="color:#383a42">;</span>
    <span style="color:#b76b01">File</span><span style="color:#383a42">[</span><span style="color:#383a42">]</span> htmlFile <span style="color:#4078f2">=</span> homeFile<span style="color:#383a42">.</span><span style="color:#4078f2">listFiles</span><span style="color:#383a42">(</span><span style="color:#a626a4">new</span> <span style="color:#b76b01">FilenameFilter</span><span style="color:#383a42">(</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
        <span style="color:#a626a4">public</span> <span style="color:#a626a4">boolean</span> <span style="color:#4078f2">accept</span><span style="color:#383a42">(</span><span style="color:#b76b01">File</span> dir<span style="color:#383a42">,</span> <span style="color:#b76b01">String</span> name<span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
            <span style="color:#a626a4">if</span> <span style="color:#383a42">(</span>name<span style="color:#383a42">.</span><span style="color:#4078f2">lastIndexOf</span><span style="color:#383a42">(</span><span style="color:#50a14f">".html"</span><span style="color:#383a42">)</span> <span style="color:#4078f2">!=</span> <span style="color:#4078f2">-</span><span style="color:#b76b01">1</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
                <span style="color:#a626a4">return</span> <span style="color:#b76b01">true</span><span style="color:#383a42">;</span>
            <span style="color:#383a42">}</span> <span style="color:#a626a4">else</span> <span style="color:#383a42">{</span>
                <span style="color:#a626a4">return</span> <span style="color:#b76b01">false</span><span style="color:#383a42">;</span>
            <span style="color:#383a42">}</span>
        <span style="color:#383a42">}</span>
    <span style="color:#383a42">}</span><span style="color:#383a42">)</span><span style="color:#383a42">;</span>
    <span style="color:#a626a4">for</span> <span style="color:#383a42">(</span><span style="color:#a626a4">int</span> i <span style="color:#4078f2">=</span> <span style="color:#b76b01">0</span><span style="color:#383a42">;</span> i <span style="color:#4078f2"><</span> htmlFile<span style="color:#383a42">.</span>length<span style="color:#383a42">;</span> i<span style="color:#4078f2">++</span><span style="color:#383a42">)</span> <span style="color:#383a42">{</span>
        <span style="color:#b76b01">File</span> html <span style="color:#4078f2">=</span> htmlFile<span style="color:#383a42">[</span>i<span style="color:#383a42">]</span><span style="color:#383a42">;</span>
        <span style="color:#b76b01">Document</span> doc <span style="color:#4078f2">=</span> <span style="color:#b76b01">Jsoup</span><span style="color:#383a42">.</span><span style="color:#4078f2">parse</span><span style="color:#383a42">(</span>html<span style="color:#383a42">,</span> <span style="color:#50a14f">"UTF-8"</span><span style="color:#383a42">,</span> <span style="color:#50a14f

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