[总结]如何实现延时触发/定时器
1. 问题 微信公众平台后台有一个功能即定时群发消息，如明晚的20:00群发一条图文消息。那么这种延时触发的逻辑如何实现呢？ 滴滴打车订单完成后，如果用户一直不评价，48小时后会将自动评价为5星。
-
epan says:抢购场景下，一般限定一个人一台，结合业务来实现。 -
biguoyong says:
-
Just One Pure ITer
1. 问题 微信公众平台后台有一个功能即定时群发消息，如明晚的20:00群发一条图文消息。那么这种延时触发的逻辑如何实现呢？ 滴滴打车订单完成后，如果用户一直不评价，48小时后会将自动评价为5星。
Follow:
![[汇总]AI经验](http://www.mobabel.net/wp-content/themes/hueman/assets/front/img/thumb-small-empty.png)
| Cookie | Duration | Description |
|---|---|---|
| cookielawinfo-checkbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics". |
| cookielawinfo-checkbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
| cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
| cookielawinfo-checkbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. |
| cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
| viewed_cookie_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |