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Net


			
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  <h1>下载文件</h1>

<p>泛型改为<code>File</code>即可</p>
<div class="language-kotlin highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="n">scopeNetLife</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="w">    </span><span class="kd">val</span><span class="w"> </span><span class="nv">file</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Get</span><span class="o">&lt;</span><span class="n">File</span><span class="o">&gt;</span><span class="p">(</span><span class="n">Api</span><span class="p">.</span><span class="na">DOWNLOAD</span><span class="p">).</span><span class="na">await</span><span class="p">()</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="p">}</span>
</span></code></pre></div>
<h2 id="_1">下载选项<a class="headerlink" href="#_1" title="Permanent link">&para;</a></h2>
<p>丰富的下载定制方案, 并且在不断更新</p>
<div class="language-kotlin highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="n">scopeNetLife</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="w">    </span><span class="kd">val</span><span class="w"> </span><span class="nv">file</span><span class="w"> </span><span class="o">=</span>
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w">        </span><span class="n">Get</span><span class="o">&lt;</span><span class="n">File</span><span class="o">&gt;</span><span class="p">(</span><span class="s">&quot;https://github.com/liangjingkanji/Net/releases/latest/download/net-sample.apk&quot;</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w">            </span><span class="n">setDownloadFileName</span><span class="p">(</span><span class="s">&quot;net.apk&quot;</span><span class="p">)</span>
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="w">            </span><span class="n">setDownloadDir</span><span class="p">(</span><span class="n">requireContext</span><span class="p">().</span><span class="na">filesDir</span><span class="p">)</span>
</span><span id="__span-1-6"><a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="w">            </span><span class="n">setDownloadMd5Verify</span><span class="p">()</span>
</span><span id="__span-1-7"><a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="w">        </span><span class="p">}.</span><span class="na">await</span><span class="p">()</span>
</span><span id="__span-1-8"><a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="p">}</span>
</span></code></pre></div>
<table>
<thead>
<tr>
<th>配置选项</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr>
<td>addDownloadListener</td>
<td><a href="progress.html">下载进度监听器</a></td>
</tr>
<tr>
<td>setDownloadFileName</td>
<td>下载文件名</td>
</tr>
<tr>
<td>setDownloadDir</td>
<td>下载目录</td>
</tr>
<tr>
<td>setDownloadMd5Verify</td>
<td>下载文件MD5校验</td>
</tr>
<tr>
<td>setDownloadFileNameConflict</td>
<td>下载文件同名冲突解决</td>
</tr>
<tr>
<td>setDownloadFileNameDecode</td>
<td>文件名Url解码中文</td>
</tr>
<tr>
<td>setDownloadTempFile</td>
<td>临时文件名</td>
</tr>
</tbody>
</table>
<h2 id="_2">重复下载<a class="headerlink" href="#_2" title="Permanent link">&para;</a></h2>
<p>防止重复下载有以下方式</p>
<table>
<thead>
<tr>
<th>函数</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr>
<td>文件判断</td>
<td>判断本地是否存在同名文件</td>
</tr>
<tr>
<td>缓存模式</td>
<td>开启缓存, 占用设备两份空间(缓存/下载成功文件都占空间)</td>
</tr>
<tr>
<td>MD5校验</td>
<td>服务器返回<code>Content-MD5</code>, 客户端开启<code>setDownloadMd5Verify</code></td>
</tr>
</tbody>
</table>


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