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class="wpf-notification-head"> <i class="far fa-bell"></i>通知<//div> <div class="wpf-notification-content"> <div class="wpf-nspin"> <i class="fas fa-spinner fa-spin"></i> </div> </div> <div class="wpf-notification-actions"> <span class="wpf-action wpf-notification-action-clear-all" data-foro_n="6d7bc48460">清除全部<//span> </div> </div> </div> <div class="wpforo-main"> <div class="wpforo-content " style="width:100%"> <div class="wpf-head-bar"> <h1 id="wpforo-title">使用PAHO MQTT连接IBM Watson IoT<//h1> <div class="wpf-action-link"></div> </div> <div class="wpfl-1"> <div class="wpforo-post-head"> <div class="wpf-left"> <a href="//www.intelliwi.com/community/iot/connect-ibm-watson-iot-using-paho-mqtt-2/" class="wpfcl-2"><i class="far fa-caret-square-down wpfsx wpfcl-3"></i><span class="wpfcl-3">最后一篇文章<//span></a> </div> <div class="wpf-right"> <span class="wpforo-action-buttons-wrap"></span> <a href="//www.intelliwi.com/community/iot/connect-ibm-watson-iot-using-paho-mqtt-2/?type=rss2&forum=11&topic=2715" class="wpfcl-2" title="" target="_blank"><span class="wpfcl-3">RSS<//span><i class="fas fa-rss wpfsx wpfcl-3"></i></a> </div> <br class="wpf-clear"> </div> <div id="wpf_moderation_tools" class="wpf-tools"></div> <div id="post-5417" data-postid="5417" data-userid="5" data-mention="sathish" data-isowner="0" class="post-wrap wpfn-1 wpfp-first"> <div class="wpforo-post wpfcl-1"> <div class="wpf-left"> <div class="author-avatar"> <img alt="" src="https://secure.gravatar.com/avatar/0d6206c625b45151bdeb9b1e94ecc11a?s=80&d=mm&r=g" srcset="https://secure.gravatar.com/avatar/0d6206c625b45151bdeb9b1e94ecc11a?s=160&d=mm&r=g 2x" class="avatar avatar-80 photo" height="80" width="80" loading="lazy"> </div> <div class="author-data"> <div class="author-name"> <span><i class="fas fa-circle wpfsx wpfcl-0" title="Offline"></i></span> <a href="//www.intelliwi.com/community/profile/sathish/" style="color:#0066FF" title="Sathish Kumar">Sathish Kumar<//a> </div> <div class="wpf-author-nicename" title="You can mention a person using @nicename in post content to send that person an email message. When you post a topic or reply, forum sends an email message to the user letting them know that they have been mentioned on the post."> （@sathish）<//div> <div class="author-title"> <span class="wpf-member-title wpfct" title="User Title">成员<//span> <span class="wpf-member-title wpfut wpfug-2 wpfbg-5 wpfcl-3" title="Usergroup">主持人<//span> </div> <div class="author-rating-full" style="color:#E5D600" title="Member Rating Badge"> <i class="fas fa-certificate"></i> <i class="fas fa-certificate"></i> <i class="fas fa-certificate"></i> </div> <div class="author-joined"> 加入：2年前<//div> <div class="author-posts"> 帖子：1391<//div> </div> <div class="wpf-clear"></div> <div id="wpforo-memberinfo-toggle-5417" class="wpforo-membertoggle" title="More"> <i class="fas fa-caret-down" aria-hidden="true"></i> </div> <div id="wpforo-memberinfo-5417" class="wpforo-memberinfo"> <div class="wpf-member-profile-buttons"> <a class="wpf-member-profile-button" title="" href="//www.intelliwi.com/community/profile/sathish/"><i class="fas fa-user"></i></a> <a class="wpf-member-profile-button" title="" href="//www.intelliwi.com/community/activity/sathish/"><i class="fas fa-comments"></i></a> <div class="wpf-member-socnet-wrap"></div> </div> </div> </div> <div class="wpf-right"> <div class="wpforo-post-content-top"> <span>14/05/2021 9:50 AM<//span> <span class="wpforo-action-buttons-wrap"><span class="wpf-action" title="Post link" data-copy-wpf-furl="https://community.mytectra.com/iot/connect-ibm-watson-iot-using-paho-mqtt-2/#post-5417" data-copy-wpf-shurl="https://community.mytectra.com/postid/5417/"><i class="fas fa-link wpfsx"></i></span></span> </div> <div class="wpforo-post-content"> <p>我正在尝试使用PAHO MQTT JAVASCRIPT客户端连接IBM Watson IoT平台，如下示例代码中所述。<//p> <p></p> <pre><span></span><span>var<//span><span>客户<//span><span>=<///span><span></span><span>新的<//span><span></span><span>消息传递<//span><span>。<//span><span>客户<//span><span>（（<//span><span>“ myoqgid.messaging.internetofthings.ibmcloud.com”<//span><span>，，，，<//span><span></span><span>8883<//span><span>，，，，<//span><span></span><span>“ myclientid_”<//span><span></span><span>+<//span><span>parseint<//span><span>（（<//span><span>数学<//span><span>。<//span><span>随机的<//span><span>（）<//span><span></span><span>*<//span><span></span><span>100<//span><span>，，，，<//span><span></span><span>10<//span><span>）;<//span><span></span><span>//如果由于任何原因断开了Websocket/MQTT连接，请致电<//span><span>客户<//span><span>。<//span><span>OnConnectionLost<//span><span>=<///span><span></span><span>功能<//span><span></span><span>（（<//span><span>响应对象<//span><span>）<//span><span></span><span>{<///span><span></span><span>//根据您的方案，您可以在此处实现重新连接逻辑<//span><span>警报<//span><span>（（<//span><span>“连接丢失：”<//span><span></span><span>+<//span><span>响应对象<//span><span>。<//span><span>错误信息<//span><span>）；<//span><span></span><span>};<//span><span></span><span>//每当您收到订阅消息时都会被调用<//span><span>客户<//span><span>。<//span><span>Onmessagearrived<//span><span>=<///span><span></span><span>功能<//span><span></span><span>（（<//span><span>信息<//span><span>）<//span><span></span><span>{<///span><span></span><span>//用收到的推送消息做点什么<//span><span>$<//span><span>（（<//span><span>'#messages'<//span><span>）。<//span><span>附加<//span><span>（（<//span><span>'<span>主题：'<//span><span></span><span>+<//span><span>信息<//span><span>。<//span><span>目标名称<//span><span>+<//span><span></span><span>'|'<///span><span></span><span>+<//span><span>信息<//span><span>。<//span><span>有效载体<//span><span>+<//span><span></span><span>'</span> <br/>'<//span><span>）；<//span><span></span><span>};<//span><span></span><span>//连接选项<//span><span></span><span>var<//span><span>选项<//span><span>=<///span><span></span><span>{<///span><span>用户名<//span><span>：<//span><span>API<//span><span>-<//span><span>钥匙<//span><span>这里<//span><span>，，，，<//span><span>密码<//span><span>：<//span><span></span><span>auth<//span><span>象征在这里<//span><span>，，，，<//span><span>暂停<//span><span>：<//span><span></span><span>3<//span><span>，，，，<//span><span></span><span>//如果连接成功建立了<//span><span>努力<//span><span>：<//span><span></span><span>功能<//span><span></span><span>（）<//span><span></span><span>{<///span><span>警报<//span><span>（（<//span><span>“连接的”<//span><span>）；<//span><span></span><span>}，，<//span><span></span><span>//如果无法建立连接，请致电<//span><span>failure<//span><span>：<//span><span></span><span>功能<//span><span></span><span>（（<//span><span>信息<//span><span>）<//span><span></span><span>{<///span><span>警报<//span><span>（（<//span><span>“连接失败： ”<//span><span></span><span>+<//span><span>信息<//span><span>。<//span><span>错误信息<//span><span>）；<//span><span></span><span>}<///span><span></span><span>};<//span><span></span><span>//创建一个新的Messaging.message对象，然后将其发送到HIVEMQ MQTT代理<//span><span></span><span>var<//span><span>发布<//span><span>=<///span><span></span><span>功能<//span><span></span><span>（（<//span><span>有效载荷<//span><span>，，，，<//span><span>话题<//span><span>，，，，<//span><span>QoS<//span><span>）<//span><span></span><span>{<///span><span></span><span>//发送您的消息（也可以将其序列化为JSON或PROTOBUF或仅使用字符串，无限制）<//span><span></span><span>var<//span><span>信息<//span><span>=<///span><span></span><span>新的<//span><span></span><span>消息传递<//span><span>。<//span><span>信息<//span><span>（（<//span><span>有效载荷<//span><span>）；<//span><span>信息<//span><span>。<//span><span>目标名称<//span><span>=<///span><span>话题<//span><span>;<//span><span>信息<//span><span>。<//span><span>QoS<//span><span>=<///span><span>QoS<//span><span>;<//span><span>客户<//span><span>。<//span><span>发送<//span><span>（（<//span><span>信息<//span><span>）；<//span><span></span><span>}<///span></pre> <p>但无法连接。我遇到了这个错误：<em>WebSocket连接到'ws：//myorgidxyz.messaging.internetofthings.ibmcloud.com：8883/mqtt'失败：Websocket握手期间的错误：net :: err_connection_reset<//em></p> <p>请任何尝试使用PAHO MQTT客户端连接IBM Watson IoT的人。<//p> </div> </div> <br class="wpf-clear"> <div class="bottom"> <div class="bleft"></div> <div class="bright"> <span class="wpforo-action-buttons-wrap"><span class="wpf-action not_reg_user"><i class="fas fa-quote-left wpfsx"></i><span class="wpf-button-text">引用<//span></span></span> </div> <div class="wpf-clear"></div> </div> </div> </div> <div class="wpforo-topic-meta"></div> <div id="post-5418" data-postid="5418" data-userid="8" data-mention="abhijith" data-isowner="0" class="post-wrap wpfn-2"> <div class="wpforo-post wpfcl-1"> <div class="wpf-left"> <div class="author-avatar"> <img alt="" src="https://secure.gravatar.com/avatar/c87380a8e43edafa0c6d423cae1d83ed?s=80&d=mm&r=g" srcset="https://secure.gravatar.com/avatar/c87380a8e43edafa0c6d423cae1d83ed?s=160&d=mm&r=g 2x" class="avatar avatar-80 photo" height="80" width="80" loading="lazy"> </div> <div class="author-data"> <div class="author-name"> <span><i class="fas fa-circle wpfsx wpfcl-0" title="Offline"></i></span> <a href="//www.intelliwi.com/community/profile/abhijith/" title="Abhijith">Abhijith<//a> </div> <div class="wpf-author-nicename" title="You can mention a person using @nicename in post content to send that person an email message. When you post a topic or reply, forum sends an email message to the user letting them know that they have been mentioned on the post."> （@abhijith）<//div> <div class="author-title"> <span class="wpf-member-title wpfrt" title="Rating Title">贵族成员<//span> </div> <div class="author-rating-full" style="color:#E5D600" title="Member Rating Badge"> <i class="fas fa-certificate"></i> <i class="fas fa-certificate"></i> <i class="fas fa-certificate"></i> </div> <div class="author-joined"> 加入：2年前<//div> <div class="author-posts"> 帖子：1350<//div> </div> <div class="wpf-clear"></div> <div id="wpforo-memberinfo-toggle-5418" class="wpforo-membertoggle" title="More"> <i class="fas fa-caret-down" aria-hidden="true"></i> </div> <div id="wpforo-memberinfo-5418" class="wpforo-memberinfo"> <div class="wpf-member-profile-buttons"> <a class="wpf-member-profile-button" title="" href="//www.intelliwi.com/community/profile/abhijith/"><i class="fas fa-user"></i></a> <a class="wpf-member-profile-button" title="" href="//www.intelliwi.com/community/activity/abhijith/"><i class="fas fa-comments"></i></a> <div class="wpf-member-socnet-wrap"></div> </div> </div> </div> <div class="wpf-right"> <div class="wpforo-post-content-top"> <span>14/05/2021 9:51 AM<//span> <span class="wpforo-action-buttons-wrap"><span class="wpf-action" title="Post link" data-copy-wpf-furl="https://community.mytectra.com/iot/connect-ibm-watson-iot-using-paho-mqtt-2/#post-5418" data-copy-wpf-shurl="https://community.mytectra.com/postid/5418/"><i class="fas fa-link wpfsx"></i></span></span> </div> <div class="wpforo-post-content"> <p>您应该对代码进行这些更改。<//p> <pre><span><<///span><span>脚本类型<//span><span>=<///span><span>“文字/javaScript”<//span><span>><///span><span></span><span>var<//span><span>客户端<//span><span>=<///span><span></span><span>'A：Myorgid：'<//span><span>+<//span><span>数学<//span><span>。<//span><span>随机的<//span><span>（）。<//span><span>to<//span><span>（（<//span><span>16<//span><span>）。<//span><span>基德<//span><span>（（<//span><span>2<//span><span>，，，，<//span><span></span><span>8<//span><span>）；<//span><span></span><span>var<//span><span>客户<//span><span>=<///span><span></span><span>新的<//span><span></span><span>消息传递<//span><span>。<//span><span>客户<//span><span>（（<//span><span>“ myoqgid.messaging.internetofthings.ibmcloud.com”<//span><span>，，，，<//span><span></span><span>1883年<//span><span>，，，，<//span><span>客户端<//span><span>）；<//span><span></span><span>//如果由于任何原因断开了Websocket/MQTT连接，请致电<//span><span>客户<//span><span>。<//span><span>OnConnectionLost<//span><span>=<///span><span></span><span>功能<//span><span></span><span>（（<//span><span>响应对象<//span><span>）<//span><span></span><span>{<///span><span></span><span>//根据您的方案，您可以在此处实现重新连接逻辑<//span><span>警报<//span><span>（（<//span><span>“连接丢失：”<//span><span></span><span>+<//span><span>响应对象<//span><span>。<//span><span>错误信息<//span><span>）；<//span><span></span><span>};<//span><span></span><span>//每当您收到订阅消息时都会被调用<//span><span>客户<//span><span>。<//span><span>Onmessagearrived<//span><span>=<///span><span></span><span>功能<//span><span></span><span>（（<//span><span>信息<//span><span>）<//span><span></span><span>{<///span><span></span><span>//用收到的推送消息做点什么<//span><span>$<//span><span>（（<//span><span>'#messages'<//span><span>）。<//span><span>附加<//span><span>（（<//span><span>'<span>主题：'<//span><span></span><span>+<//span><span>信息<//span><span>。<//span><span>目标名称<//span><span>+<//span><span></span><span>'|'<///span><span></span><span>+<//span><span>信息<//span><span>。<//span><span>有效载体<//span><span>+<//span><span></span><span>'</span> <br/>'<//span><span>）；<//span><span></span><span>};<//span><span></span><span>//连接选项<//span><span></span><span>var<//span><span>选项<//span><span>=<///span><span></span><span>{<///span><span>用户名<//span><span>：<//span><span>API<//span><span>-<//span><span>钥匙<//span><span>这里<//span><span>，，，，<//span><span>密码<//span><span>：<//span><span></span><span>auth<//span><span>象征在这里<//span><span>，，，，<//span><span>暂停<//span><span>：<//span><span></span><span>3<//span><span>，，，，<//span><span></span><span>//如果连接成功建立了<//span><span>努力<//span><span>：<//span><span></span><span>功能<//span><span></span><span>（）<//span><span></span><span>{<///span><span>警报<//span><span>（（<//span><span>“连接的”<//span><span>）；<//span><span></span><span>}，，<//span><span></span><span>//如果无法建立连接，请致电<//span><span>failure<//span><span>：<//span><span></span><span>功能<//span><span></span><span>（（<//span><span>信息<//span><span>）<//span><span></span><span>{<///span><span>警报<//span><span>（（<//span><span>“连接失败： ”<//span><span></span><span>+<//span><span>信息<//span><span>。<//span><span>错误信息<//span><span>）；<//span><span></span><span>}<///span><span></span><span>};<//span><span></span><span>//创建一个新的Messaging.message对象，然后将其发送到HIVEMQ MQTT代理<//span><span></span><span>var<//span><span>发布<//span><span>=<///span><span></span><span>功能<//span><span></span><span>（（<//span><span>有效载荷<//span><span>，，，，<//span><span>话题<//span><span>，，，，<//span><span>QoS<//span><span>）<//span><span></span><span>{<///span><span></span><span>//发送您的消息（也可以将其序列化为JSON或PROTOBUF或仅使用字符串，无限制）<//span><span></span><span>var<//span><span>信息<//span><span>=<///span><span></span><span>新的<//span><span></span><span>消息传递<//span><span>。<//span><span>信息<//span><span>（（<//span><span>有效载荷<//span><span>）；<//span><span>信息<//span><span>。<//span><span>目标名称<//span><span>=<///span><span>话题<//span><span>;<//span><span>信息<//span><span>。<//span><span>QoS<//span><span>=<///span><span>QoS<//span><span>;<//span><span>客户<//span><span>。<//span><span>发送<//span><span>（（<//span><span>信息<//span><span>）；<//span><span></span><span>}<///span><span>客户<//span><span>。<//span><span>连接<//span><span>（（<//span><span>选项<//span><span>）；<//span><span></span><span><//<//span><span>脚本<//span><span>><///span></pre> 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