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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # UploadTask ### UploadTask > 支持版本 >= 1.4.0 一個可以監聽上傳進度變化事件,以及取消上傳任務的對象 #### 方法 ##### UploadTask.abort() 中斷上傳任務 ##### UploadTask.onProgressUpdate(function callback) 監聽上傳進度變化事件 #### 示例代碼 ``` <pre class="prettyprint"><ol class="linenums"><li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="kwd">const</span><span class="pln"> uploadTask </span><span class="pun">=</span><span class="pln"> wx</span><span class="pun">.</span><span class="pln">uploadFile</span><span class="pun">({</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> url</span><span class="pun">:</span><span class="pln"> </span><span class="str">'http://example.weixin.qq.com/upload'</span><span class="pun">,</span><span class="pln"> </span><span class="com">//僅為示例,非真實的接口地址</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> filePath</span><span class="pun">:</span><span class="pln"> tempFilePaths</span><span class="pun">[</span><span class="lit">0</span><span class="pun">],</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> name</span><span class="pun">:</span><span class="pln"> </span><span class="str">'file'</span><span class="pun">,</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> formData</span><span class="pun">:{</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="str">'user'</span><span class="pun">:</span><span class="pln"> </span><span class="str">'test'</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="pun">},</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> success </span><span class="pun">(</span><span class="pln">res</span><span class="pun">){</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="kwd">const</span><span class="pln"> data </span><span class="pun">=</span><span class="pln"> res</span><span class="pun">.</span><span class="pln">data</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="com">//do something</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="pun">}</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pun">})</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln">uploadTask</span><span class="pun">.</span><span class="pln">onProgressUpdate</span><span class="pun">((</span><span class="hljs-params"><span class="pln">res</span></span><span class="pun">)</span><span class="pln"> </span><span class="pun">=></span><span class="pln"> </span><span class="pun">{</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> console</span><span class="pun">.</span><span class="pln">log</span><span class="pun">(</span><span class="str">'上傳進度'</span><span class="pun">,</span><span class="pln"> res</span><span class="pun">.</span><span class="pln">progress</span><span class="pun">)</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> console</span><span class="pun">.</span><span class="pln">log</span><span class="pun">(</span><span class="str">'已經上傳的數據長度'</span><span class="pun">,</span><span class="pln"> res</span><span class="pun">.</span><span class="pln">totalBytesSent</span><span class="pun">)</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> console</span><span class="pun">.</span><span class="pln">log</span><span class="pun">(</span><span class="str">'預期需要上傳的數據總長度'</span><span class="pun">,</span><span class="pln"> res</span><span class="pun">.</span><span class="pln">totalBytesExpectedToSend</span><span class="pun">)</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pun">})</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln">uploadTask</span><span class="pun">.</span><span class="pln">abort</span><span class="pun">()</span><span class="pln"> </span><span class="com">// 取消上傳任務</span></code></li> </ol> ``` > 原文: <https://developers.weixin.qq.com/minigame/dev/api/network/upload/UploadTask.html>
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