带有POST请求的Angular Service Worker [英] Angular Service Worker with POST request

问题描述

我将Angular 5.2.7与Angular Service Worker 5.2.7一起使用。

I use Angular 5.2.7 with Angular Service Worker 5.2.7.

我想缓存Web服务调用。因此，我在ngsw-config.json中有了此配置，用于dataGroups：

I want to cache webservices calls. So, I've got with this config in my ngsw-config.json, for dataGroups :

"dataGroups": [{
  "name": "tasks-users-api",
  "urls": ["/api", "/rest"],
  "cacheConfig": {
    "strategy": "freshness",
    "maxSize": 20000,
    "maxAge": "1h",
    "timeout": "5s"
  }
}]

我尝试缓存这两个URL：
https://randomuser.me/api/?results=20 --->可以，
https://test.moodlecloud.com/webservice/rest/server.php - ->是KO

I try to cache this two URLs : https://randomuser.me/api/?results=20 ---> It's OK https://test.moodlecloud.com/webservice/rest/server.php ---> It's KO

第一个按预期方式被缓存。这是一个简单的GET服务。
第二个不是。

The first one is cached as expected. It's a simple GET service. The second one isn't. It's a POST service with a form data sent as payload.

任何有关此问题的想法吗？

Any idea of what is wrong with that ?

推荐答案

服务工作者API 不允许POST / PUT请求。

Service Worker API does not allow POST/PUT requests.

在此博客文章展示了一个示例，说明了如何使用Indexed Db（如Roman Gherta的建议）来存储POST / PUT请求。

In this blog article it is showed an example on how you can use Indexed Db (as suggested by Roman Gherta) to store POST/PUT requests.

在 Mozilla资源上也建议使用此解决方案。

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