博客
关于我
Node-RED中配置周期性执行、指定时间阶段执行、指定时间执行事件
阅读量:793 次
发布时间:2023-02-16

本文共 1641 字,大约阅读时间需要 5 分钟。

场景

Node-RED简介与Windows上安装、启动和运行示例:

在inject节点可以设置重复触发的周期性事件。

比如每两秒输出一次时间。

注:

博客:

关注公众号
霸道的程序猿
获取编程相关电子书、教程推送与免费下载。

实现

1、周期性执行

json示例数据

[{"id":"71107f63.c2686","type":"inject","z":"f8f370d9.7ccc3","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"2","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":190,"y":280,"wires":[["6866ece6.3b1964"]]},{"id":"6866ece6.3b1964","type":"debug","z":"f8f370d9.7ccc3","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":420,"y":300,"wires":[]}]

2、指定时间阶段周期性执行

json数据

[{"id":"2ee46c27fe222be5","type":"inject","z":"4bc32962b964d23d","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"*/1 0 * * 1,3,5","once":false,"onceDelay":0.1,"topic":"","payloadType":"date","x":190,"y":360,"wires":[["26092280afbca76a"]]},{"id":"26092280afbca76a","type":"debug","z":"4bc32962b964d23d","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":400,"y":380,"wires":[]}]

3、指定时间执行

json数据

[{"id":"9e4a370a93991fdc","type":"inject","z":"4bc32962b964d23d","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"00 12 * * 1","once":false,"onceDelay":0.1,"topic":"","payloadType":"date","x":190,"y":500,"wires":[["4af3067548fcc9f6"]]},{"id":"4af3067548fcc9f6","type":"debug","z":"4bc32962b964d23d","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":380,"y":540,"wires":[]}]

转载地址:http://fsjfk.baihongyu.com/

你可能感兴趣的文章
nginx:Error ./configure: error: the HTTP rewrite module requires the PCRE library
查看>>
Nginx、HAProxy、LVS
查看>>
Nginx下配置codeigniter框架方法
查看>>
Nginx中使用expires指令实现配置浏览器缓存
查看>>
Nginx之二:nginx.conf简单配置(参数详解)
查看>>
Nginx代理websocket配置(解决websocket异常断开连接tcp连接不断问题)
查看>>
Nginx代理初探
查看>>
nginx代理地图服务--离线部署地图服务(地图数据篇.4)
查看>>
Nginx代理外网映射
查看>>
Nginx代理模式下 log-format 获取客户端真实IP
查看>>
Nginx代理解决跨域问题(导致图片只能预览不能下载)
查看>>
Nginx代理配置详解
查看>>
Nginx代理静态资源(gis瓦片图片)实现非固定ip的url适配网络环境映射ip下的资源请求解决方案
查看>>
Nginx代理静态资源(gis瓦片图片)实现非固定ip的url适配网络环境映射ip下的资源请求解决方案
查看>>
nginx反向代理
查看>>
nginx反向代理、文件批量改名及统计ip访问量等精髓总结
查看>>
Nginx反向代理与正向代理配置
查看>>
Nginx反向代理及负载均衡实现过程部署
查看>>
Nginx反向代理是什么意思?如何配置Nginx反向代理?
查看>>
nginx反向代理解决跨域问题,使本地调试更方便
查看>>