本文介绍边缘函数的使用流程,以创建“HelloWorld”函数为例,介绍函数创建、函数测试、函数发布等流程,便于您快速上手边缘函数。
前提条件
流程概览
![](data:image/svg+xml;base64,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)
步骤1:创建函数
- 登录边缘函数控制台。
- 在函数管理页面,单击新建函数,进入函数创建页面。
- 在函数创建页面,为函数设置名称,单击确定完成创建。
本教程中,我们将函数名称设置为 function-test。
![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_0cff5982aec61673fea900da587d7baa.png)
步骤2:关联域名
- 登录边缘函数控制台。
- 在函数管理页面,定位到要关联域名的函数,然后在域名列单击去关联。
- 在关联域名对话框,从域名列表选择要关联的域名,并单击确定。
说明
首次关联CDN域名时,请根据页面提示完成跨服务授权,即允许边缘函数访问您在CDN中的资源。
![图片](https://p9-arcosite.byteimg.com/tos-cn-i-goo7wpa0wc/1cffeeed63234637838aea12d213cfdd~tplv-goo7wpa0wc-image.image)
关联成功后,函数的域名列将显示已关联的域名。 - 前往CDN控制台,为域名配置函数的触发规则。具体操作步骤请参见设置匹配规则。
步骤3:开发及测试函数
- 登录边缘函数控制台。
- 在函数列表页面,找到目标函数,单击函数名称,进入函数详情页面。
- 在函数详情页面,单击页面右上角的编辑代码,即可进入代码开发页面(默认示例是HelloWorld代码)。
- 编写代码,单击保存。
![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_7b8823f17c04051e4244edb27d7ced38.png)
步骤4:发布函数
- 在编辑代码页面,单击发布。
- (可选)在发布页面填写备注信息,并选择是否灰度发布。
![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_0b9b5f409a1d5b76d450cee792552c7b.png)
- 单击确定完成发布。
以上是HelloWorld示例函数的创建和发布流程,后续的代码更新迭代您可以按照:开发及测试函数>发布两个环节的顺序进行操作。