# 批量资产关联分类 - BatchAssociateClassificationToEntities
#### 功能介绍
批量资产关联分类：只支持对数据表的列和OBS对象添加分类。
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-dataartsstudio/making_request.html)。
#### 授权信息
账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-dataartsstudio/abcd.html)。
- 如果使用身份策略授权，当前API调用无需身份策略权限。
 
#### URI
POST /v3/{project_id}/asset/entities/classification
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，获取方法请参见[项目ID和账号ID](https://support.huaweicloud.com/api-dataartsstudio/projectid_accountid.html)。 |
   
#### 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，使用[Token认证](https://support.huaweicloud.com/api-dataartsstudio/dataartsstudio_02_0010.html)时必选。通过调用IAM服务的"获取用户Token"接口获取响应消息头中X-Subject-Token的值。 |
| workspace    | 是    | String | 工作空间ID，获取方法请参见[实例ID和工作空间ID](https://support.huaweicloud.com/api-dataartsstudio/dataartsstudio_02_0350.html)。                                             |
   
表3请求Body参数 
| 参数             | 是否必选 | 参数类型                                                                                             | 描述        |
|:---|:---|:---|:---|
| guids          | 是    | Array of strings                                                                                 | 数据资产list。 |
| classification | 是    | [OpenClassification] object | 分类信息。     |
   
 表4OpenClassification 
| 参数          | 是否必选 | 参数类型   | 描述         |
|:---|:---|:---|:---|
| name        | 是    | String | 分类名称。      |
| description | 否    | String | 分类描述。      |
| create_user | 否    | String | 分类创建者。     |
| create_time | 否    | Number | 分类创建时间。    |
| update_time | 否    | Number | 分类更新时间。    |
| update_user | 否    | String | 分类更新者。     |
| guid        | 否    | String | 分类的guid标志。 |
   
#### 响应参数
**状态码：200**
OK。
**状态码：400**
表5响应Body参数 
| 参数         | 参数类型   | 描述    |
|:---|:---|:---|
| error_code | String | 错误码。  |
| error_msg  | String | 错误描述。 |
   
**状态码：401**
表6响应Body参数 
| 参数         | 参数类型   | 描述    |
|:---|:---|:---|
| error_code | String | 错误码。  |
| error_msg  | String | 错误描述。 |
   
**状态码：403**
表7响应Body参数 
| 参数         | 参数类型   | 描述    |
|:---|:---|:---|
| error_code | String | 错误码。  |
| error_msg  | String | 错误描述。 |
   
**状态码：404**
表8响应Body参数 
| 参数         | 参数类型   | 描述    |
|:---|:---|:---|
| error_code | String | 错误码。  |
| error_msg  | String | 错误描述。 |
   
#### 请求示例
```
{
  "guids" : [ "0aa90b11-5064-4c6a-9c00-a35267a85aab", "348f0dc5-e03f-487e-a967-3e1abacccce8" ],
  "classification" : {
    "name" : "hive_common"
  }
}
```
#### 响应示例
无
#### SDK代码示例
SDK代码示例如下。
- [Java]
  ```
  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.dataartsstudio.v1.region.DataArtsStudioRegion;
  import com.huaweicloud.sdk.dataartsstudio.v1.*;
  import com.huaweicloud.sdk.dataartsstudio.v1.model.*;
  public class BatchAssociateClassificationToEntitiesSolution {
      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);
          DataArtsStudioClient client = DataArtsStudioClient.newBuilder()
                  .withCredential(auth)
                  .withRegion(DataArtsStudioRegion.valueOf("<YOUR REGION>"))
                  .build();
          BatchAssociateClassificationToEntitiesRequest request = new BatchAssociateClassificationToEntitiesRequest();
          try {
              BatchAssociateClassificationToEntitiesResponse response = client.batchAssociateClassificationToEntities(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]
  ```
  # coding: utf-8
  import os
  from huaweicloudsdkcore.auth.credentials import BasicCredentials
  from huaweicloudsdkdataartsstudio.v1.region.dataartsstudio_region import DataArtsStudioRegion
  from huaweicloudsdkcore.exceptions import exceptions
  from huaweicloudsdkdataartsstudio.v1 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 = DataArtsStudioClient.new_builder() \
          .with_credentials(credentials) \
          .with_region(DataArtsStudioRegion.value_of("<YOUR REGION>")) \
          .build()
      try:
          request = BatchAssociateClassificationToEntitiesRequest()
          response = client.batch_associate_classification_to_entities(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]
  ```
  package main
  import (
  "fmt"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
      dataartsstudio "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1/model"
      region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1/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, err := basic.NewCredentialsBuilder().
          WithAk(ak).
          WithSk(sk).
          WithProjectId(projectId).
          SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      hcClient, err := dataartsstudio.DataArtsStudioClientBuilder().
           WithRegion(region.ValueOf("<YOUR REGION>")).
           WithCredential(auth).
           SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      client := dataartsstudio.NewDataArtsStudioClient(hcClient)
      request := &model.BatchAssociateClassificationToEntitiesRequest{}
  response, err := client.BatchAssociateClassificationToEntities(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/DataArtsStudio/sdk?api=BatchAssociateClassificationToEntities)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            |
|:---|:---|
| 200 | OK。           |
| 400 | BadRequest。   |
| 401 | Unauthorized。 |
| 403 | Forbidden。    |
| 404 | Not Found。    |