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<h1 id="android"><a href="#android" class="headerlink" title="android"></a>android</h1><h2 id="配置"><a href="#配置" class="headerlink" title="配置"></a>配置</h2><p>使用 android studio 的时候使用gradle同步的时候，如果配置了socket proxy，那么gradle同步时，会提示是否要设置gradle的配置，这时候要点取消，否则会报错<code>表示socket连接有问题</code></p>
<h2 id="android-camera2-api"><a href="#android-camera2-api" class="headerlink" title="android camera2 api"></a>android camera2 api</h2><h3 id="框架"><a href="#框架" class="headerlink" title="框架"></a>框架</h3><p><img src="https://i.loli.net/2019/01/14/5c3c3889cd05f.png" alt="android_camera.png"></p>
<h3 id="操作API"><a href="#操作API" class="headerlink" title="操作API"></a>操作API</h3><ul>
<li><p><code>mContext.getSystemService(Context.CAMERA_SERVICE);</code></p>
<p>用于获取系统的cameraManager</p>
</li>
<li><p><code>id = mCameraManager.getCameraIdList()</code></p>
<p><code>mCameraManager.getCameraCharacteristics(id)</code></p>
<p>选择不同的摄像头</p>
</li>
<li><p><code>mCameraManager.openCamera(mCameraId, mStateCallback, null);</code></p>
<p>根据id打开摄像头，并设置callback，callback决定了摄像头不同状态时会触发什么函数</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">private</span> <span class="keyword">final</span> CameraDevice.StateCallback mStateCallback = <span class="keyword">new</span> CameraDevice.StateCallback() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">onOpened</span><span class="params">(@NonNull CameraDevice cameraDevice)</span> </span>{</span><br><span class="line"> <span class="comment">// 打开相机时调用此方法。 在这里开始相机预览。</span></span><br><span class="line"> mCameraDevice = cameraDevice;</span><br><span class="line"> <span class="comment">//创建CameraPreviewSession</span></span><br><span class="line"> Log.i(TAG, <span class="string">"onOpened: before createCameraPreviewSession"</span>);</span><br><span class="line"> createCameraPreviewSession();</span><br><span class="line"> Log.i(TAG, <span class="string">"onOpened: after createCameraPreviewSession"</span>);</span><br><span class="line"></span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
<li><p><code>createCameraPreviewSession()</code></p>
<p>根据captureRequestBuilder的设置，通过manager设置一个 caputrueSession，不断发送请求。</p>
<p><code>createCaptureSession</code> 设定了返回的值的数据</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line">mCaptureRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);</span><br><span class="line">mCaptureRequestBuilder.addTarget(mSurface);</span><br><span class="line">mCaptureRequestBuilder.set(CaptureRequest.STATISTICS_FACE_DETECT_MODE, CameraMetadata.STATISTICS_FACE_DETECT_MODE_FULL);</span><br><span class="line">mCameraDevice.createCaptureSession(Collections.singletonList(mSurface), <span class="keyword">new</span> CameraCaptureSession.StateCallback() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">onConfigured</span><span class="params">(@NonNull CameraCaptureSession session)</span> </span>{</span><br><span class="line"> <span class="comment">//构建captureRequest对象</span></span><br><span class="line"> <span class="comment">//设置人脸检测</span></span><br><span class="line"> <span class="comment">// 会话准备好后，我们开始显示预览</span></span><br><span class="line"> mCaptureSession = session;</span><br><span class="line"> <span class="keyword">try</span> {</span><br><span class="line"> <span class="comment">// 自动对焦</span></span><br><span class="line"> mCaptureRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,</span><br><span class="line"> CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);</span><br><span class="line"> <span class="comment">// 最终开启相机预览并添加事件</span></span><br><span class="line"> mPreviewRequest = mCaptureRequestBuilder.build();</span><br><span class="line"> mCaptureSession.setRepeatingRequest(mPreviewRequest,</span><br><span class="line"> mCaptureCallback, mBackgroundHandler);</span><br><span class="line"> } <span class="keyword">catch</span> (CameraAccessException e) {</span><br><span class="line"> e.printStackTrace();</span><br><span class="line"> }</span><br><span class="line"> }</span><br></pre></td></tr></table></figure>
</li>
<li><p><code>CameraCaptureSession.CaptureCallback mCaptureCallback</code></p>
<p>根据callback设定返回的结果和如何处理（有一部分</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">private</span> <span class="keyword">final</span> CameraCaptureSession.CaptureCallback mCaptureCallback = <span class="keyword">new</span> CameraCaptureSession.CaptureCallback() {</span><br><span class="line"> <span class="comment">/**</span></span><br><span class="line"><span class="comment"> * 对摄像头返回的结果进行处理,并获取人脸数据</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@param</span> result 摄像头数据</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"> <span class="function"><span class="keyword">private</span> <span class="keyword">void</span> <span class="title">process</span><span class="params">(CaptureResult result)</span> </span>{</span><br><span class="line"> <span class="comment">// do something</span></span><br><span class="line"> }</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h2 id="网络通信"><a href="#网络通信" class="headerlink" title="网络通信"></a>网络通信</h2><h4 id="请求到http服务器，并通过post请求发送图片数据"><a href="#请求到http服务器，并通过post请求发送图片数据" class="headerlink" title="请求到http服务器，并通过post请求发送图片数据"></a>请求到http服务器，并通过post请求发送图片数据</h4><ul>
<li><p>注意事项：不要在主进程发送http请求，会报错解决方法1. 通过handler创建新的进程 2. 用方法忽略掉</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@TargetApi</span>(Build.VERSION_CODES.GINGERBREAD)</span><br><span class="line"><span class="meta">@SuppressLint</span>(<span class="string">"NewApi"</span>)</span><br><span class="line"><span class="comment">// function</span></span><br><span class="line"> StrictMode.ThreadPolicy policy = <span class="keyword">new</span> StrictMode.ThreadPolicy.Builder().permitAll().build();</span><br><span class="line"> StrictMode.setThreadPolicy(policy);</span><br></pre></td></tr></table></figure>
</li>
<li><p>将bitmap 压缩成png图片，并且转码为base64字符串，用utf-8编码(注意，如果不用utf-8编码，在post的时候有些特殊字符会变成空格，比如+会变成空格)</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">baos = <span class="keyword">new</span> ByteArrayOutputStream();</span><br><span class="line">bitmap.compress(Bitmap.CompressFormat.PNG, <span class="number">100</span>, baos);</span><br><span class="line"></span><br><span class="line">baos.flush();</span><br><span class="line">baos.close();</span><br><span class="line"></span><br><span class="line"><span class="keyword">byte</span>[] bitmapBytes = baos.toByteArray();</span><br><span class="line">result = Base64.encodeToString(bitmapBytes, Base64.DEFAULT);</span><br><span class="line">String key = URLEncoder.encode(encoded, <span class="string">"utf-8"</span>);</span><br><span class="line"><span class="keyword">return</span> key</span><br></pre></td></tr></table></figure>
</li>
<li><p>将base64字符串发送到服务器，并接受返回文本</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">// input string, url_adress</span></span><br><span class="line">URL url = <span class="keyword">new</span> URL(url_adress);</span><br><span class="line">HttpURLConnection conn = (HttpURLConnection) url.openConnection();</span><br><span class="line">conn.setConnectTimeout(<span class="number">50000</span>);<span class="comment">//超时时间</span></span><br><span class="line">conn.setRequestMethod(<span class="string">"POST"</span>);</span><br><span class="line">conn.setDoOutput(<span class="keyword">true</span>);</span><br><span class="line">conn.setRequestProperty(<span class="string">"Content-Type"</span>, <span class="string">"application/x-www-form-urlencoded"</span>);</span><br><span class="line">OutputStreamWriter out = <span class="keyword">new</span> OutputStreamWriter(conn.getOutputStream());</span><br><span class="line"></span><br><span class="line">out.write(string);</span><br><span class="line">out.flush();</span><br><span class="line">out.close();</span><br><span class="line">InputStream inputStream = conn.getInputStream();</span><br><span class="line"><span class="keyword">byte</span>[] data = StreamTool.read(inputStream);</span><br><span class="line">html = <span class="keyword">new</span> String(data, <span class="string">"utf-8"</span>);</span><br><span class="line"></span><br><span class="line"><span class="keyword">return</span> html;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">StreamTool</span> </span>{</span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">byte</span>[] read(InputStream inStream) <span class="keyword">throws</span> Exception {</span><br><span class="line"> ByteArrayOutputStream outStream = <span class="keyword">new</span> ByteArrayOutputStream();</span><br><span class="line"> <span class="keyword">byte</span>[] buffer = <span class="keyword">new</span> <span class="keyword">byte</span>[<span class="number">1024</span>];</span><br><span class="line"> <span class="keyword">int</span> len = <span class="number">0</span>;</span><br><span class="line"> <span class="keyword">while</span> ((len = inStream.read(buffer)) != -<span class="number">1</span>) {</span><br><span class="line"> outStream.write(buffer, <span class="number">0</span>, len);</span><br><span class="line"> }</span><br><span class="line"> inStream.close();</span><br><span class="line"> <span class="keyword">return</span> outStream.toByteArray();</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h2 id="多线程编程"><a href="#多线程编程" class="headerlink" title="多线程编程"></a>多线程编程</h2><p>因为非主线程不能修改ui界面，所以操作非主线程需要让一个主进程的handler来修改主线程的内容</p>
<ul>
<li><p>实现一个集成Thread的类，override其中的run()</p>
</li>
<li><p>如果需要将信息返回到主进程修改界面</p>
<ul>
<li><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">private</span> Handler uiHandler = <span class="keyword">new</span> Handler() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">handleMessage</span><span class="params">(Message msg)</span> </span>{</span><br><span class="line"> <span class="keyword">super</span>.handleMessage(msg);</span><br><span class="line"> mTextView.setText(<span class="string">"face"</span>);</span><br><span class="line"> }</span><br><span class="line">};</span><br><span class="line"></span><br><span class="line"><span class="comment">// ......</span></span><br><span class="line">Message msg = <span class="keyword">new</span> Message();</span><br><span class="line">msg.what = <span class="number">0</span>;</span><br><span class="line">msg.arg1 = response;</span><br><span class="line">uiHandler.sendMessage(msg);</span><br></pre></td></tr></table></figure>
</li>
</ul>
</li>
</ul>
<h2 id="列表-listview"><a href="#列表-listview" class="headerlink" title="列表 listview"></a>列表 listview</h2><h3 id="自定义item的格式"><a href="#自定义item的格式" class="headerlink" title="自定义item的格式"></a>自定义item的格式</h3><ul>
<li><p>首先需要一个xml文件描述item</p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"><?xml version="1.0" encoding="utf-8"?></span><br><span class="line"><span class="tag"><<span class="name">LinearLayout</span> <span class="attr">xmlns:android</span>=<span class="string">"http://schemas.android.com/apk/res/android"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_width</span>=<span class="string">"wrap_content"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_height</span>=<span class="string">"wrap_content"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:orientation</span>=<span class="string">"horizontal"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:padding</span>=<span class="string">"15dp"</span>></span></span><br><span class="line"></span><br><span class="line"> <span class="tag"><<span class="name">ImageView</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:id</span>=<span class="string">"@+id/IamgeView_List"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_width</span>=<span class="string">"100dp"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_height</span>=<span class="string">"100dp"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:background</span>=<span class="string">"#FFFFFF"</span> /></span></span><br><span class="line"></span><br><span class="line"> <span class="tag"><<span class="name">TextView</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:id</span>=<span class="string">"@+id/TextView_List"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_width</span>=<span class="string">"wrap_content"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_height</span>=<span class="string">"wrap_content"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_marginLeft</span>=<span class="string">"15dp"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_marginTop</span>=<span class="string">"30dp"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:text</span>=<span class="string">"内容"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:textSize</span>=<span class="string">"30sp"</span> /></span></span><br><span class="line"></span><br><span class="line"><span class="tag"></<span class="name">LinearLayout</span>></span></span><br></pre></td></tr></table></figure>
</li>
</ul>
<h3 id="自定义listAdapter"><a href="#自定义listAdapter" class="headerlink" title="自定义listAdapter"></a>自定义listAdapter</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">ImageListAdapter</span> <span class="keyword">extends</span> <span class="title">ArrayAdapter</span><<span class="title">ImageListArray</span>> </span>{</span><br><span class="line"> <span class="keyword">private</span> <span class="keyword">int</span> recourceId;</span><br><span class="line"></span><br><span class="line"> <span class="function"><span class="keyword">public</span> <span class="title">ImageListAdapter</span><span class="params">(Context context, <span class="keyword">int</span> resource, List<ImageListArray> objects)</span> </span>{</span><br><span class="line"> <span class="keyword">super</span>(context, resource, objects);</span><br><span class="line"> recourceId = resource;</span><br><span class="line"></span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="meta">@NonNull</span></span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="function"><span class="keyword">public</span> View <span class="title">getView</span><span class="params">(<span class="keyword">int</span> position, @Nullable View convertView, @NonNull ViewGroup parent)</span> </span>{</span><br><span class="line"> ImageListArray imageListArray = getItem(position); <span class="comment">//得到集合中指定位置的一组数据，并且实例化</span></span><br><span class="line"> View view = LayoutInflater.from(getContext()).inflate(recourceId, parent, <span class="keyword">false</span>); <span class="comment">//用布局裁剪器(又叫布局膨胀器)，将导入的布局裁剪并且放入到当前布局中</span></span><br><span class="line"> ImageView imageView = (ImageView) view.findViewById(R.id.IamgeView_List);<span class="comment">//从裁剪好的布局里获取ImageView布局ID</span></span><br><span class="line"> TextView textView = (TextView) view.findViewById(R.id.TextView_List); <span class="comment">//从裁剪好的布局里获取TextView布局Id</span></span><br><span class="line"> imageView.setImageBitmap(imageListArray.getImage());<span class="comment">//将当前一组imageListArray类中的图片iamgeId导入到ImageView布局中</span></span><br><span class="line"> textView.setText(imageListArray.getLabel());<span class="comment">//将当前一组imageListArray类中的TextView内容导入到TextView布局</span></span><br><span class="line"> <span class="keyword">return</span> view;</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h3 id="显示list的内容"><a href="#显示list的内容" class="headerlink" title="显示list的内容"></a>显示list的内容</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">ImageListAdapter imageListAdapter = <span class="keyword">new</span> ImageListAdapter(MainActivity.<span class="keyword">this</span>, R.layout.item_layout, imageList);</span><br><span class="line">listView.setAdapter(imageListAdapter);</span><br></pre></td></tr></table></figure>
<h2 id="fragment"><a href="#fragment" class="headerlink" title="fragment"></a>fragment</h2><p>fragment是一种较为方便讲每个显示的界面模块化的方法</p>
<h3 id="生命周期"><a href="#生命周期" class="headerlink" title="生命周期"></a>生命周期</h3><p><img src="https://i.loli.net/2019/01/19/5c4308a6d43a0.png" alt="fragment_lifecycle.png"></p>
<h3 id="生成fragment的同时调用其中的控件"><a href="#生成fragment的同时调用其中的控件" class="headerlink" title="生成fragment的同时调用其中的控件"></a>生成fragment的同时调用其中的控件</h3><p>如果想在生成fragment的时候获取fragment中的resource(比如listView),则必须在onCreateView()之后，通过view.findViewByID才可以找得到，代码如下<br><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@Override</span></span><br><span class="line"><span class="function"><span class="keyword">public</span> View <span class="title">onCreateView</span><span class="params">(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState)</span> </span>{</span><br><span class="line"> <span class="comment">// Inflate the layout for this fragment</span></span><br><span class="line"> View view = inflater.inflate(R.layout.fragment_record_layout, container, <span class="keyword">false</span>);</span><br><span class="line"> mListView = view.findViewById(R.id.img_listview);</span><br><span class="line"> <span class="keyword">return</span> view;</span><br><span class="line">}</span><br></pre></td></tr></table></figure></p>
<h3 id="fragment的静态引用"><a href="#fragment的静态引用" class="headerlink" title="fragment的静态引用"></a>fragment的静态引用</h3><p>注意这一段必须在一个layout里面<br><figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">fragment</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:id</span>=<span class="string">"@+id/fragment_record"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:name</span>=<span class="string">"com.zhu.driveractionrecognition.RecordFragmentLayout"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_width</span>=<span class="string">"match_parent"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_height</span>=<span class="string">"match_parent"</span></span></span><br><span class="line"><span class="tag"> <span class="attr">android:layout_weight</span>=<span class="string">"1"</span> /></span></span><br></pre></td></tr></table></figure></p>
<p>其中name表示了这个fragment对应的类的类名</p>
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<a class="post-title-link" href="/2018/10/11/caffe-install/" itemprop="url">caffe install</a></h1>
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<h1 id="install-Caffe"><a href="#install-Caffe" class="headerlink" title="install Caffe"></a>install Caffe</h1><p>pre：安装CUDA8.0，cuDNN 5.1, block anaconda,gcc version =5</p>
<ol>
<li>安装依赖包</li>
</ol>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line">sudo apt-get install libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libhdf5-serial-dev protobuf-compiler</span><br><span class="line"></span><br><span class="line">sudo apt-get install --no-install-recommends libboost-all-dev</span><br><span class="line"></span><br><span class="line">sudo apt-get install libopenblas-dev liblapack-dev libatlas-base-dev</span><br><span class="line"></span><br><span class="line">sudo apt-get install libgflags-dev libgoogle-glog-dev liblmdb-dev</span><br><span class="line"></span><br><span class="line">sudo apt-get install git cmake build-essential</span><br></pre></td></tr></table></figure>
<ol start="2">
<li>clone caffe</li>
</ol>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">git clone https://github.com/BVLC/caffe.git</span><br><span class="line">cd caffe</span><br><span class="line">sudo cp Makefile.config.example Makefile.config</span><br></pre></td></tr></table></figure>
<ol start="3">
<li>修改Makefile.config 和makefile </li>
</ol>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line"># Makefile.config</span><br><span class="line">将</span><br><span class="line">#USE_CUDNN := 1</span><br><span class="line">修改成： </span><br><span class="line">USE_CUDNN := 1</span><br><span class="line">将</span><br><span class="line">#OPENCV_VERSION := 3 </span><br><span class="line">修改为： </span><br><span class="line">OPENCV_VERSION := 3</span><br><span class="line">将</span><br><span class="line">#WITH_PYTHON_LAYER := 1 </span><br><span class="line">修改为 </span><br><span class="line">WITH_PYTHON_LAYER := 1</span><br><span class="line">INCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/local/include</span><br><span class="line">LIBRARY_DIRS := $(PYTHON_LIB) /usr/local/lib /usr/lib </span><br><span class="line">修改为： </span><br><span class="line">INCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/local/include /usr/include/hdf5/serial</span><br><span class="line">LIBRARY_DIRS := $(PYTHON_LIB) /usr/local/lib /usr/lib /usr/lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu/hdf5/serial </span><br><span class="line"></span><br><span class="line"># makefile</span><br><span class="line">将：</span><br><span class="line">NVCCFLAGS +=-ccbin=$(CXX) -Xcompiler-fPIC $(COMMON_FLAGS)</span><br><span class="line">替换为：</span><br><span class="line">NVCCFLAGS += -D_FORCE_INLINES -ccbin=$(CXX) -Xcompiler -fPIC $(COMMON_FLAGS)</span><br><span class="line"></span><br><span class="line">将：</span><br><span class="line">LIBRARIES += glog gflags protobuf boost_system boost_filesystem m hdf5_hl hdf5</span><br><span class="line">改为：</span><br><span class="line">LIBRARIES += glog gflags protobuf boost_system boost_filesystem m hdf5_serial_hl hdf5_serial</span><br></pre></td></tr></table></figure>
<ol start="4">
<li><p>修改protoc版本 </p>
<ol>
<li>下载<a href="https://github.com/protocolbuffers/protobuf/releases?after=v3.0.0-alpha-1" target="_blank" rel="noopener">protobuf</a></li>
</ol>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">cd</span> protobuf</span><br><span class="line">./configure</span><br><span class="line">make</span><br><span class="line">make check</span><br><span class="line">make install</span><br><span class="line">sudo ldconfig</span><br><span class="line">protoc --version</span><br></pre></td></tr></table></figure>
<p>如果显示的版本是2.6.1则OK，若不是</p>
<p>将手动编译的protoc替换到usr/bin里面</p>
</li>
</ol>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">#将手动编译的protoc替换到usr/bin里面</span></span><br><span class="line">sudo find/ -name protoc</span><br><span class="line"><span class="built_in">cd</span> XX</span><br><span class="line">sudo rm -rf /usr/bin/protoc</span><br><span class="line">sudo cp protoc /usr/bin/</span><br><span class="line">sudo ldconfig</span><br><span class="line">protoc --version</span><br></pre></td></tr></table></figure>
<ol start="5">
<li>安装caffe</li>
</ol>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">make -j8 </span><br><span class="line">make runtest -j8</span><br><span class="line">make pycaffe -j8</span><br><span class="line"></span><br><span class="line">pip install -U scikit-image</span><br></pre></td></tr></table></figure>
<ol start="6">
<li>配置环境变量</li>
</ol>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">sudo vim ~/.bashrc</span><br><span class="line"><span class="comment"># add caffe/python</span></span><br><span class="line"></span><br><span class="line"><span class="built_in">export</span> PYTHONPATH=~/code/caffe/python</span><br><span class="line"><span class="comment"># :wq</span></span><br><span class="line"></span><br><span class="line"><span class="built_in">source</span> ~/.bashrc</span><br></pre></td></tr></table></figure>
<ol start="7">
<li>test</li>
</ol>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">python(确认是不是2.7的)</span><br><span class="line"></span><br><span class="line">import caffe</span><br></pre></td></tr></table></figure>
<h1 id="py-faster-rcnn"><a href="#py-faster-rcnn" class="headerlink" title="py-faster-rcnn"></a>py-faster-rcnn</h1><ol>
<li>Clone <a href="https://github.com/rbgirshick/py-faster-rcnn" target="_blank" rel="noopener">py-faster-rcnn</a></li>
<li><p>当前版本的caffe的cudnn实现与系统所安装的cudnn的版本不一致</p>
<ol>
<li>将./include/caffe/util/cudnn.hpp 换成最新版的caffe里的cudnn的实现，即相应的cudnn.hpp.</li>
<li>将./include/caffe/layers里的，所有以cudnn开头的文件，例如cudnn_conv_layer.hpp。 都替换成最新版的caffe里的相应的同名文件。</li>
<li>将./src/caffe/layer里的，所有以cudnn开头的文件，例如cudnn_lrn_layer.cu，cudnn_pooling_layer.cpp，cudnn_sigmoid_layer.cu都替换成最新版的caffe里的相应的同名文件。</li>
</ol>
</li>
<li><p>跟着github上的教程走</p>
</li>
<li>缺啥装啥</li>
<li>完成</li>
</ol>
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<h2 id="shadowsocks-ubuntu"><a href="#shadowsocks-ubuntu" class="headerlink" title="shadowsocks+ubuntu"></a>shadowsocks+ubuntu</h2><ol>
<li><p><code>sudo apt install shadowsocks</code></p>
</li>
<li><p><code>vim ss.json</code></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> "server":"11.22.33.44",</span><br><span class="line"> "server_port":50003,</span><br><span class="line"> "local_port":1080,</span><br><span class="line"> "password":"123456",</span><br><span class="line"> "timeout":600,</span><br><span class="line"> "method":"aes-256-cfb"</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
<li><p><code>sslocal -c ss.json</code>或者<code>sudo sslocal -c ss.json .start</code></p>
</li>
</ol>
<h3 id="浏览器配置"><a href="#浏览器配置" class="headerlink" title="浏览器配置"></a>浏览器配置</h3><ol>
<li>chrome 插件<a href="https://github.com/FelisCatus/SwitchyOmega/releases/" target="_blank" rel="noopener">SwitchyOmega</a></li>
<li>PAC列表 <a href="https://raw.githubusercontent.com/gfwlist/gfwlist/master/gfwlist.txt" target="_blank" rel="noopener">github</a></li>
</ol>
<h2 id="服务器端"><a href="#服务器端" class="headerlink" title="服务器端"></a>服务器端</h2><h3 id="配置文件"><a href="#配置文件" class="headerlink" title="配置文件"></a>配置文件</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">{</span><br><span class="line"> "server":"your_server_ip",</span><br><span class="line"> "port_password":{</span><br><span class="line"> "8381":"pass1",</span><br><span class="line"> "8382":"pass2",</span><br><span class="line"> "8383":"pass3",</span><br><span class="line"> "8384":"pass4"</span><br><span class="line"> },</span><br><span class="line"> "timeout":60,</span><br><span class="line"> "method":"rc4-md5",</span><br><span class="line"> "fast_open":false,</span><br><span class="line"> "workers":1</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h3 id="启动和停止"><a href="#启动和停止" class="headerlink" title="启动和停止"></a>启动和停止</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">ssserver -c shadowsocks.json -d start</span><br></pre></td></tr></table></figure>
<h3 id="开机启动"><a href="#开机启动" class="headerlink" title="开机启动"></a>开机启动</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">vim /etc/rc.local</span><br><span class="line"># 下面代码复制到 rc.local 中</span><br><span class="line">ssserver -c /etc/shadowsocks.json -d start</span><br></pre></td></tr></table></figure>
<p>### </p>
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<h1 id="配置proxychains"><a href="#配置proxychains" class="headerlink" title="配置proxychains"></a>配置proxychains</h1><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">git clone https://github.com/rofl0r/proxychains-ng.git</span><br><span class="line">cd proxychains-ng</span><br><span class="line"></span><br><span class="line">./configure –prefix=/usr –sysconfdir=/etc</span><br><span class="line"></span><br><span class="line">sudo make </span><br><span class="line"></span><br><span class="line">sudo make install</span><br><span class="line"></span><br><span class="line">sudo make install-config</span><br></pre></td></tr></table></figure>
<p>把proxychains.conf最后一行改成</p>
<p><code>sock5 127.0.0.1 1086</code>最后1086是自己的端口</p>
<p>用的时候proxychains4 加命令就行了</p>
<h3 id="若在mac上"><a href="#若在mac上" class="headerlink" title="若在mac上"></a>若在mac上</h3><p><code>brew install proxychains-ng</code>搞定，然后在根据运行结果找到proxychains.conf的位置，配置一下</p>
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<blockquote>
<p>主板：华硕</p>
<p>显卡：GTX 1066</p>
</blockquote>
<h2 id="安装NVIDIA驱动"><a href="#安装NVIDIA驱动" class="headerlink" title="安装NVIDIA驱动"></a>安装NVIDIA驱动</h2><ol>
<li><p>安装必备运行环境</p>
</li>
<li><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo apt-get install git cmake build-essential</span><br></pre></td></tr></table></figure>
</li>
<li><p>下载显卡驱动<a href="https://www.nvidia.com/Download/index.aspx?lang=cn" target="_blank" rel="noopener">NVIDIA驱动下载官网</a></p>
</li>
<li><p>禁用nouveau</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo vim /etc/modprobe.d/blacklist.conf</span><br></pre></td></tr></table></figure>
<p>想最后添加</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">blacklist nouveau </span><br><span class="line">options nouveau modeset=0</span><br></pre></td></tr></table></figure>
<p>保存并运行</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">sudo update-initramfs -u</span><br><span class="line">reboot</span><br></pre></td></tr></table></figure>
</li>
<li><p>重启之后按<code>alt+ctrl+F4</code>进入命令行界面</p>
<p>输入命令<code>lsmod |grep nouveau</code>，如果什么都不输出，证明关闭成功</p>
<p>继续输入<code>sudo service gdm3 stop</code>(ubuntu 18.04)或者<code>sudo service lightdm stop</code>(其他)停止图形化界面，若显示啥啥啥clean则OK，再按<code>alt+ctrl+F4</code>回到命令行</p>
</li>
<li><p>运行<code>chmod u+x NVIDIA......run</code>使得驱动文件获得运行权限</p>
</li>
<li><p><code>sudo ./NVIDIA.......run –no-x-check -no-nouveau-check -no-opengl-files</code>前两个<code>-</code>不是必须的，最后一个<code>-</code>不写的话可能出现循环登录</p>
<ul>
<li><code>–no-opengl-files</code>：表示只安装驱动文件，不安装OpenGL文件。这个参数不可省略，否则会导致登陆界面死循环，英语一般称为”login loop”或者”stuck in login”。</li>
<li><code>–no-x-check</code>：表示安装驱动时不检查X服务，非必需。</li>
<li><code>–no-nouveau-check</code>：表示安装驱动时不检查nouveau，非必需。</li>
<li><code>-Z, --disable-nouveau</code>：禁用nouveau。此参数非必需，因为之前已经手动禁用了nouveau。</li>
<li><code>-A</code>：查看更多高级选项。</li>
</ul>
<p>可能会出现啥啥kernel的问题，问题出在华硕主板的secure boot（安全启动），进到bios把安全启动关闭，具体google<a href="https://blog.csdn.net/qq_29650553/article/details/81028739" target="_blank" rel="noopener">华硕主板关闭安全启动</a></p>
</li>
<li><p>安装完成后<code>reboot</code>，重启后输入<code>nvidia-smi</code>有输出，证明安装完全</p>
</li>
</ol>
<h2 id="安装CUDA"><a href="#安装CUDA" class="headerlink" title="安装CUDA"></a>安装CUDA</h2><ol>
<li><p>下载CUDA.run</p>
</li>
<li><p>添加环境~/.bashrc（不确定是否需要）</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">export</span> LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:<span class="variable">$LD_LIBRARY_PATH</span></span><br><span class="line"></span><br><span class="line"><span class="built_in">export</span> LD_LIBRARY_PATH=/lib/x86_64-linux-gnu:<span class="variable">$LD_LIBRARY_PATH</span></span><br></pre></td></tr></table></figure>
</li>
<li><p>安装依赖库</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo apt-get install freeglut3-dev build-essential libx11-dev libxmu-dev libxi-dev libgl1-mesa-glx libglu1-mesa libglu1-mesa-dev</span><br></pre></td></tr></table></figure>
</li>
<li><p>更换GCC和G++版本(两个一起换，只换一个不得行)</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">#安装两个版本的 GCC和G++，先用4.8的</span></span><br><span class="line">sudo apt install gcc-7 g++-7</span><br><span class="line">sudo apt install gcc-4.8 g++-4.8</span><br><span class="line"><span class="comment"># 调整优先级</span></span><br><span class="line">sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 100</span><br><span class="line">sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 100</span><br><span class="line"></span><br><span class="line">sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 80</span><br><span class="line">sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 80</span><br><span class="line"><span class="comment"># 通过指令 查看优先级</span></span><br><span class="line">sudo update-alternatives --config gcc</span><br><span class="line">sudo update-alternatives --config g++</span><br></pre></td></tr></table></figure>
</li>
<li><p><code>chmod u+x cuda...run</code> 给予运行权限</p>
</li>
<li><p>处理 installUtils.pm</p>
<ol>
<li><code>./cuda*.run --tar -mxvf</code></li>
<li><code>sudo cp InstallUtils.pm /usr/lib/x86_64-linux-gnu/perl-base</code></li>
<li><code>export $PERL5LIB</code></li>
</ol>
</li>
<li><p><code>sudo ./cuda......run --no-opengl-libs --override</code>运行文件（如果出错了，记得去找LOG文件）</p>
</li>
<li><p>添加CUDA到环境 ~/.bashrc</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">export</span> PATH=/usr/<span class="built_in">local</span>/cuda/bin:<span class="variable">$PATH</span></span><br><span class="line"></span><br><span class="line"><span class="built_in">export</span> LD_LIBRARY_PATH=/usr/<span class="built_in">local</span>/cuda/lib64:<span class="variable">$LD_LIBRARY_PATH</span></span><br></pre></td></tr></table></figure>
</li>
<li><p>测试安装是否成功</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">cd</span> /usr/<span class="built_in">local</span>/cuda/samples/1_Utilities/deviceQuery</span><br><span class="line">sudo make</span><br><span class="line">./deviceQuery</span><br></pre></td></tr></table></figure>
</li>
<li><p>安装cuDNN，以5.1.10来举例</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">sudo cp * /usr/<span class="built_in">local</span>/cuda/include/ <span class="comment">#复制头文件</span></span><br><span class="line">sudo cp * /usr/<span class="built_in">local</span>/cuda/lib64/ <span class="comment">#复制动态链接库</span></span><br><span class="line"><span class="built_in">cd</span> /usr/<span class="built_in">local</span>/cuda/lib64/sudo </span><br><span class="line">rm -rf libcudnn.so libcudnn.so.5 <span class="comment">#删除原有动态文件</span></span><br><span class="line">sudo ln -s libcudnn.so.5.1.10 libcudnn.so.5 <span class="comment">#生成软衔接</span></span><br><span class="line">sudo ln -s libcudnn.so.5 libcudnn.so <span class="comment">#生成软链接</span></span><br></pre></td></tr></table></figure>
</li>
</ol>
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