node-red

2025-08-28 16:20:24 +08:00
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+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="inject">
+<p>手动或定期得将消息注入流中。消息的有效荷载可以为多种类型，包括字符串，JavaScript对象或当前时间。</p>
+<h3>输出</h3>
+<dl class="message-properties">
+    <dt>payload<span class="property-type">various</span></dt>
+    <dd>指定的消息的有效荷载。</dd>
+    <dt class="optional">topic <span class="property-type">字符串</span></dt>
+    <dd>可以在节点中配置的可选属性。</dd>
+</dl>
+<h3>详细</h3>
+<p>通过使用特定的有效荷载，注入节点可以启动流。默认有效荷载是当前时间的时间戳（以毫秒为单位，自1970年1月1日起）。</p>
+<p>该节点还支持注入字符串，数字，布尔值，JavaScript对象或流/全局上下文值。</p>
+<p>默认情况下，节点可以通过在编辑器中单击节点按钮来手动触发。同时也可以被设置为定期或按计划注入。</p>
+<p>另一个可选的设置是在每次启动流时注入一次。</p>
+<p>可以指定的最大<i>间隔</i>约为596小时/24天。 但是，如果对于间隔超过一天的那些间隔，建议您使用scheduler节点来应对断电或重启。</p>
+<p><b>注意</b>：选项<i>“时间间隔” </i>和<i>“特定时间” </i>使用了标准cron系统。这意味着因此“20分钟”并不表示在此之后20分钟，而是每小时的20分钟，40分钟。如果您希望设定为从现在开始的每20分钟，那么请使用<i>“间隔” </i>选项。</p>
+<p><b>注意</b>: 如果您想在字符串中包含换行符，必须使用“功能”节点创建有效荷载。</p>
+</script>
@@ -0,0 +1,25 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="debug">
+    <p>在“调试”侧边栏选项卡和运行时日志中显示选定的消息属性。 默认情况下，它会显示<code>msg.payload</code>的值，但您也可以将其设置成显示任意属性，完整消息或JSONata表达式的结果。</p>
+    <h3>详细</h3>
+    <p>调试侧边栏会提供已发消息的结构化视图，方便您查询消息的结构。</p>
+    <p>JavaScript对象和数组可以根据需要来折叠或扩展。缓冲区对象可以显示为原始数据，也可以显示为字符串。</p>
+    <p>对任意条消息，调试侧边栏还会显示接收消息的时间，发送消息的节点以及消息类型等信息。单击源节点ID将在工作区中显示该节点。</p>
+    <p>节点上的按钮可用于启用或禁用其输出。建议禁用或删除所有未使用的调试节点。</p>
+    <p>还可以通过配置节点，将所有消息发送到运行时的日志，或将简短的数据（32个字符内）在调试节点下的状态文本上显示。</p>
+</script>
@@ -0,0 +1,24 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="complete">
+    <p>当另一个节点完成对消息的处理时触发流。</p>
+    <h3>详细</h3>
+    <p>如果一个节点通知运行时它已完成消息的处理，该节点可用于触发第二个流。</p>
+    <p>这个节点可以与没有输出端口的节点一起使用，例如在使用电子邮件发送节点来发送邮件后触发一个流。</p>
+    <p>此节点只能被设置为处理流中某个所选节点的事件。与Catch节点不同，您不能指定“所有节点”模式并以流中的所有节点为目标。</p>
+    <p>并非所有节点都会触发此事件。这取决于它们是否支持于Node-RED 1.0中引入的此功能。</p>
+</script>
@@ -0,0 +1,36 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="catch">
+    <p>捕获由同一标签页上的节点引发的错误。</p>
+    <h3>输出</h3>
+    <dl class="message-properties">
+        <dt>error.message <span class="property-type">字符串</span></dt>
+        <dd>错误消息。</dd>
+        <dt>error.source.id <span class="property-type">字符串</span></dt>
+        <dd>引发错误的节点的ID。</dd>
+        <dt>error.source.type <span class="property-type">字符串</span></dt>
+        <dd>引发错误的节点的类型。</dd>
+        <dt>error.source.name <span class="property-type">字符串</span></dt>
+        <dd>引发错误的节点的名称。（如果已设置）</dd>
+    </dl>
+    <h3>详细</h3>
+    <p>如果节点在处理消息时抛出错误，则流程通常会停止。该节点可用于捕获那些错误并通过专用流程进行处理。</p>
+    <p>默认情况下，该节点将捕获同一标签页上任何节点抛出的错误。或者，它可以针对特定节点，或配置为仅捕获另一个“目标”捕获节点尚未捕获的错误。</p>
+    <p>当错误发生时，所有匹配的catch节点都会收到错误消息。</p>
+    <p>如果在子流中发送了错误，则该错误将由子流中的任意捕获节点处理。如果子流中不存在捕获节点，则那错误将被传播到子流实例所在的标签页。</p>
+    <p>如果消息已经具有<code>error</code>属性，则将该<code>error</code>复制为<code>_error</code>。</p>
+</script>
@@ -0,0 +1,33 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="status">
+    <p>获取在同一标签页上的其他节点的状态消息。</p>
+    <h3>输出</h3>
+    <dl class="message-properties">
+        <dt>status.text <span class="property-type">字符串</span></dt>
+        <dd>状态文本。</dd>
+        <dt>status.source.type <span class="property-type">字符串</span></dt>
+        <dd>报告状态的节点的类型。</dd>
+        <dt>status.source.id <span class="property-type">字符串</span></dt>
+        <dd>报告状态的节点的ID。</dd>
+        <dt>status.source.name <span class="property-type">字符串</span></dt>
+        <dd>报告状态的节点的名称（如果已设置）。</dd>
+    </dl>
+    <h3>详细</h3>
+   <p>该节点不包含<code>有效荷载</code>。</p>
+   <p>默认情况下，节点会获取同一工作空间标签页上报告所有节点的状态。可以通过配置来设定目标节点。</p>
+</script>
@@ -0,0 +1,31 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="link in">
+    <p>在流之间创建虚拟连线。</p>
+    <h3>详细</h3>
+    <p>该节点可以连接到任何标签页上存在的任何<code>link out</code>节点。连接后，它们的行为就像连接在一起。</p>
+    <p>仅当选择链接节点时，才会显示链接节点之间的链接。如果有指向另一个选项卡的链接，则显示一个虚拟节点。单击该虚拟节点将带您到相应的选项卡。</p>
+    <p><b>注意：</b>无法创建进入或离开子流的链接。</p>
+</script>
+
+<script type="text/x-red" data-help-name="link out">
+    <p>在流之间创建虚拟连线。</p>
+    <h3>详细</h3>
+    <p>该节点可以连接到任何标签页上存在的任何<code>link in</code>节点。连接后，它们的行为就像连接在一起。</p>
+    <p>仅当选择链接节点时，才会显示链接节点之间的链接。如果有指向另一个选项卡的链接，则显示一个虚拟节点。单击该虚拟节点将带您到相应的选项卡。</p>
+    <p><b>注意：</b>无法创建进入或离开子流的链接。</p>
+</script>
@@ -0,0 +1,21 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="comment">
+    <p>可用于向流添加注释的节点。</p>
+    <h3>详细</h3>
+    <p>编辑面板接受Markdown语法。输入的文本将在信息侧面板中显示。</p>
+</script>
@@ -0,0 +1,24 @@
+<!--
+  Copyright JS Foundation and other contributors, http://js.foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-help-name="unknown">
+    <p>您安装的Node-RED无法识别该节点的类型。</p>
+    <h3>详细</h3>
+    <p><i>如果在此状态下部署节点，其配置会被保存。但是在安装缺少的类型之前，流不会开始。</i></p>
+    <p>使用<code> Menu-Manage Palette </code>选项来搜索并安装节点，或者使用<b>npm install &lt;module&gt;</b>来安装所有缺少的节点，并重新启动Node-Red来导入这些节点。</p>
+    <p>另一种可能是，您已经安装了此节点类型，但是缺少必须的依赖项。您应检查Node-RED的启动日志中是否有与缺少节点有关的错误消息。</p>
+    <p>以上方法都不适用时，您可以联系该流的作者以获取缺少的节点类型的副本。</p>
+</script>