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node-red/packages/node_modules/@node-red/nodes/locales/zh-CN/common/20-inject.html
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<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>596/24 使scheduler</p>
<p><b>注意</b>:选项<i>“时间间隔” </i><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>: 使</p>
</script>