# 过滤规则示例 本章节介绍所有匹配类型的过滤规则示例，供您参考。 匹配类型如下所示： - [完全匹配] - [除外匹配] - [前缀匹配] - [前缀不匹配] - [后缀匹配] - [后缀不匹配] - [数值范围匹配] - [空值匹配] - [非空匹配] - [为true匹配] - [不为true匹配] #### 完全匹配 指定某个String类型字段的值进行完全匹配。如下表所示，过滤规则匹配"source"为"HC.OBS"的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }] } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | 指定某个Number类型字段的值进行完全匹配。如下表所示，过滤规则只匹配"data"下"age"是10的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "age":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "age":[{ "op": "NumberIn", "values":[10] }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "age":10 } }] } ``` | #### 除外匹配 指定某个String类型字段与除了提供的值之外的任何值进行匹配。如下表所示，过滤规则只匹配"type"不是"object:get"的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "type": [{ "op": "StringNotIn", "values": ["object:get"] }] } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | 指定某个Number类型字段与除了提供的值之外的任何值进行匹配。如下表所示，过滤规则只匹配"data"下"age"不是"11"的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "age":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "age"：[{ "op": "NumberNotIn", "values":[11] }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "age":10 } }] } ``` | #### 前缀匹配 指定某个字段的值进行前缀匹配。如下表所示，过滤规则只匹配"type"字段以"object:"开头的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "type": [{ "op": "StringStartsWith", "values": ["object:"] }] } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | #### 前缀不匹配 指定某个字段的值进行前缀不匹配。如下表所示，过滤规则只匹配"source"字段不以"HC"开头的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "source": [{ "op": "StringNotStartsWith", "values": ["HC"] }] } ``` | 无 | #### 后缀匹配 指定某个字段的值进行后缀匹配。如下表所示，过滤规则只匹配"subject"字段以"jpg"结尾的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "subject": [{ "op": "StringEndsWith", "values": ["jpg"] }] } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | #### 后缀不匹配 指定某个字段的值进行后缀不匹配。如下表所示，过滤规则只匹配"subject"字段不以"txt"结尾的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "subject":[{ "op": "StringNotEndsWith", "values": ["txt"] }] } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable" } }] } ``` | #### 数值范围匹配 指定某个字段的数值范围。如下表所示，过滤规则只匹配"data"下"size"字段小于20的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "NumberLessThan", "value":20 }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | 如下表所示，过滤规则只匹配"data"下"size"字段大于等于2的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "NumberNotLessThan", "value":2 }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | 如下表所示，过滤规则只匹配"data"下"size"字段大于9的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "NumberGreaterThan", "value":9 }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | 如下表所示，过滤规则只匹配"data"下"size"字段不大于9的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "NumberNotGreaterThan", "value":9 }] } } ``` | 无 | 如下表所示，过滤规则只匹配"data"下"size"字段取值在1到20之间的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "NumberInRange", "values":[ [ 1, 20 ] ] }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | 如下表所示，过滤规则只匹配"data"下"size"字段取值小于1或大于20的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "NumberNotInRange", "values":[ [ 1, 20 ] ] }] } } ``` | 无 | #### 空值匹配 检查某个字段的值是否为null或未定义。如下表所示，过滤规则只匹配"data"下"size"和"age"字段取值为null或未定义的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size": null } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "IsNull" }], "age":[{ "op": "IsNull" }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":null } }] } ``` | #### 非空匹配 检查某个字段的值是否不为null。如下表所示，过滤规则只匹配"data"下"size"和"name"字段取值不为null的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size": 10 } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "IsNotNull" }], "name":[{ "op": "IsNotNull" }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size":10 } }] } ``` | #### 为true匹配 检查某个字段的值是否为true。如下表所示，过滤规则只匹配"data"下存在"size"和"name"字段取值为true的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": true, "state": "enable", "size": true } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "size":[{ "op": "IsTrue" }], "name":[{ "op": "IsTrue" }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": true, "state": "enable", "size":true } }] } ``` | #### 不为true匹配 检查某个字段的值是否不为true。如下表所示，过滤规则只匹配"data"下存在"name"字段取值不为true的事件。 | 从事件源接收的事件 | 过滤规则 | 过滤后的事件 | |:---|:---|:---| | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size": null } }] } ``` | ``` { "source": [{ "op": "StringIn", "values": ["HC.OBS"] }], "data":{ "name":[{ "op": "IsNotTrue" }] } } ``` | ``` { "events":[{ "id": "4b26115b-778e-11ec-******", "specversion": "1.0", "source": "HC.OBS", "type": "object:put", "datacontenttype": "application/json", "subject": "xxx.jpg", "time": "2022-01-17T12:07:00.955Z", "data": { "name": "test01", "state": "enable", "size": null } }] } ``` |