# 批量删除资源标签 - BatchDeleteTags
#### 功能介绍
该接口用于批量删除资源（通道等）标签。此接口为幂等接口：删除时，如果删除的标签不存在，默认处理成功；删除时不对标签字符集范围做校验。删除时tags结构体不能缺失，key不能为空，或者空字符串。
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-dis/dis_02_0400.html)。
#### URI
POST /v2/{project_id}/stream/{stream_id}/tags/action
表1路径参数 
| 参数         | 是否必选 | 参数类型   | 描述    |
|:---|:---|:---|:---|
| project_id | 是    | String | 项目ID。 |
| stream_id  | 是    | String | 通道ID。 |
   
#### 请求参数
表2请求Header参数 
| 参数           | 是否必选 | 参数类型   | 描述                                                                                           |
|:---|:---|:---|:---|
| X-Auth-Token | 是    | String | 用户Token。 通过调用IAM服务获取用户Token接口获取（响应消息头中X-Subject-Token的值）。 |
   
表3请求Body参数 
| 参数     | 是否必选 | 参数类型                                                  | 描述                                                                                                                                                                                                                               |
|:---|:---|:---|:---|
| action | 是    | String                                                | 操作标识：仅限于delete - delete：批量删除    |
| tags   | 是    | Array of [Tag] objects | 标签列表。                                                                                                                                                                                                                            |
   
 表4Tag 
| 参数    | 是否必选 | 参数类型   | 描述                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|:---|:---|:---|:---|
| key   | 否    | String | 键。 - 不能为空，长度范围在（1-36）之间。   - 对于同一资源键值唯一。   - 字符集：A-Z，a-z ， 0-9，'-'，'_'，UNICODE字符（\\u4E00-\\u9FFF）。             |
| value | 否    | String | 值。 - 长度不超过43个字符。   - 字符集：A-Z，a-z ， 0-9，'.'，'-'，'_'，UNICODE字符（\\u4E00-\\u9FFF）。   - 只能包含数字、字母、中划线"-"、下划线"_"。    |
   
#### 响应参数
**状态码：204**
正常返回
无
#### 请求示例
批量删除资源标签
```
POST https://{Endpoint}/v2/{project_id}/stream/{stream_id}/tags/action
{
  "action" : "delete",
  "tags" : [ {
    "key" : "key1",
    "value" : "value1"
  }, {
    "key" : "key2",
    "value" : "value3"
  } ]
}
```
#### 响应示例
无
#### SDK代码示例
SDK代码示例如下。
#### Java
批量删除资源标签
```
package com.huaweicloud.sdk.test;
import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dis.v2.region.DisRegion;
import com.huaweicloud.sdk.dis.v2.*;
import com.huaweicloud.sdk.dis.v2.model.*;
import java.util.List;
import java.util.ArrayList;
public class BatchDeleteTagsSolution {
    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";
        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);
        DisClient client = DisClient.newBuilder()
                .withCredential(auth)
                .withRegion(DisRegion.valueOf("<YOUR REGION>"))
                .build();
        BatchDeleteTagsRequest request = new BatchDeleteTagsRequest();
        request.withStreamId("{stream_id}");
        BatchDeleteTagsReq body = new BatchDeleteTagsReq();
        List<Tag> listbodyTags = new ArrayList<>();
        listbodyTags.add(
            new Tag()
                .withKey("key1")
                .withValue("value1")
        );
        listbodyTags.add(
            new Tag()
                .withKey("key2")
                .withValue("value3")
        );
        body.withTags(listbodyTags);
        body.withAction(BatchDeleteTagsReq.ActionEnum.fromValue("delete"));
        request.withBody(body);
        try {
            BatchDeleteTagsResponse response = client.batchDeleteTags(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}
```
#### Python
批量删除资源标签
```
# coding: utf-8
import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdis.v2.region.dis_region import DisRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdis.v2 import *
if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"
    credentials = BasicCredentials(ak, sk, projectId)
    client = DisClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DisRegion.value_of("<YOUR REGION>")) \
        .build()
    try:
        request = BatchDeleteTagsRequest()
        request.stream_id = "{stream_id}"
        listTagsbody = [
            Tag(
                key="key1",
                value="value1"
            ),
            Tag(
                key="key2",
                value="value3"
            )
        ]
        request.body = BatchDeleteTagsReq(
            tags=listTagsbody,
            action="delete"
        )
        response = client.batch_delete_tags(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
```
#### Go
批量删除资源标签
```
package main
import (
"fmt"
"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dis "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dis/v2"
"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dis/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dis/v2/region"
)
func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"
    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()
    client := dis.NewDisClient(
        dis.DisClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())
    request := &model.BatchDeleteTagsRequest{}
request.StreamId = "{stream_id}"
keyTags:= "key1"
valueTags:= "value1"
keyTags1:= "key2"
valueTags1:= "value3"
var listTagsbody = []model.Tag{
        {
            Key: &keyTags,
            Value: &valueTags,
        },
        {
            Key: &keyTags1,
            Value: &valueTags1,
        },
    }
request.Body = &model.BatchDeleteTagsReq{
Tags: listTagsbody,
Action: model.GetBatchDeleteTagsReqActionEnum().DELETE,
}
response, err := client.BatchDeleteTags(request)
if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}
```
#### 更多
更多编程语言的SDK代码示例，请参见[API Explorer](https://console.huaweicloud.com/apiexplorer/#/openapi/DIS/sdk?api=BatchDeleteTags)的代码示例页签，可生成自动对应的SDK代码示例。
#### 状态码
| 状态码 | 描述   |
|:---|:---|
| 204 | 正常返回 |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-dis/ErrorCode.html)。