# wx.sendSocketMessage ### wx.sendSocketMessage(Object object) 通過 WebSocket 連接發送數據，需要先 wx.connectSocket，并在 wx.onSocketOpen 回調之后才能發送。 #### 參數 ##### Object object 屬性類型默認值是否必填說明支持版本datastring/ArrayBuffer是需要發送的內容successfunction否接口調用成功的回調函數failfunction否接口調用失敗的回調函數completefunction否接口調用結束的回調函數（調用成功、失敗都會執行）#### 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"> socketOpen </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">false</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="kwd">const</span><span class="pln"> socketMsgQueue </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">wx</span><span class="pun">.</span><span class="pln">connectSocket</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">'test.php'</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pun">})</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln">wx</span><span class="pun">.</span><span class="pln">onSocketOpen</span><span class="pun">(</span><span class="hljs-params"><span class="kwd">function</span></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></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> socketOpen </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">true</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="kwd">for</span><span class="pln"> </span><span class="pun">(</span><span class="pln">let i </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln"> i </span><span class="pun"><</span><span class="pln"> socketMsgQueue</span><span class="pun">.</span><span class="pln">length</span><span class="pun">;</span><span class="pln"> i</span><span class="pun">++){</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> sendSocketMessage</span><span class="pun">(</span><span class="pln">socketMsgQueue</span><span class="pun">[</span><span class="pln">i</span><span class="pun">])</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"> socketMsgQueue </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="pun">})</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="hljs-params"><span class="kwd">function</span></span><span class="pln"> </span><span class="hljs-params"><span class="pln">sendSocketMessage</span></span><span class="pun">(</span><span class="hljs-params"><span class="pln">msg</span></span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln">socketOpen</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"> wx</span><span class="pun">.</span><span class="pln">sendSocketMessage</span><span class="pun">({</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> data</span><span class="pun">:</span><span class="pln">msg</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"> </span><span class="pun">}</span><span class="pln"> </span><span class="kwd">else</span><span class="pln"> </span><span class="pun">{</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> socketMsgQueue</span><span class="pun">.</span><span class="pln">push</span><span class="pun">(</span><span class="pln">msg</span><span class="pun">)</span></code></li> <li class="l1"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pln"> </span><span class="pun">}</span></code></li> <li class="l"><code class="pcalibre9 pcalibre8 pcalibre7"><span class="pun">}</span></code></li> </ol> ``` > 原文: <https://developers.weixin.qq.com/minigame/dev/api/network/websocket/wx.sendSocketMessage.html>