# 取消收藏 - Deletefavorite
#### 功能介绍
取消日志流收藏
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-lts/lts_api_0003.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-lts/lts_api_0046.html)。
- 如果使用身份策略授权，需具备如下身份策略权限。
  
  | 授权项                    | 访问级别  | 资源类型（\*为必须）  | 条件键                       | 别名                | 依赖的授权项 |
  |:---|:---|:---|:---|:---|:---|
  | lts:logFavorite:delete | Write | logStream \* | g:ResourceTag/\<tag-key\> | lts:topics:delete | -      |
     
  
 
#### URI
DELETE /v1.0/{project_id}/lts/favorite/{fav_res_id}
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，可以从调用API处获取，也可以从控制台获取。获取方式请参见：[获取项目ID](https://support.huaweicloud.com/api-lts/lts_api_0006.html)。 |
| fav_res_id | 是    | String | 收藏资源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 | **参数解释：** 从IAM服务获取的用户Token，获取方式请参见：[获取用户Token](https://support.huaweicloud.com/api-lts/lts_api_0004.html)。 **约束限制：** 不涉及。 **取值范围：** 不涉及。 **默认取值：** 不涉及。 |
| Content-Type | 是    | String | **参数解释：** 用于定义消息体的格式，该字段填为：application/json;charset=utf8。 **约束限制：** 不涉及。 **取值范围：** 不涉及。 **默认取值：** 不涉及。                                                  |
   
#### 响应参数
**状态码：200**
取消收藏成功
**状态码：400**
表3响应Body参数 
| 参数      | 参数类型                                                                  | 描述                                                  |
|:---|:---|:---|
| message | [ErrorMessagebody] object | **参数解释：** 错误信息详情。 |
   
 表4ErrorMessagebody 
| 参数      | 参数类型   | 描述                                                                                                                                                                                                    |
|:---|:---|:---|
| code    | String | **参数解释：** 错误码，请参见：[错误码](https://support.huaweicloud.com/api-lts/ErrorCode.html)。 **取值范围：** 不涉及。 |
| details | String | **参数解释：** 调用失败响应信息描述。 **取值范围：** 不涉及。                                                            |
   
**状态码：500**
表5响应Body参数 
| 参数      | 参数类型                                                                    | 描述                                                  |
|:---|:---|:---|
| message | [ErrorMessagebody] object | **参数解释：** 错误信息详情。 |
   
 表6ErrorMessagebody 
| 参数      | 参数类型   | 描述                                                                                                                                                                                                    |
|:---|:---|:---|
| code    | String | **参数解释：** 错误码，请参见：[错误码](https://support.huaweicloud.com/api-lts/ErrorCode.html)。 **取值范围：** 不涉及。 |
| details | String | **参数解释：** 调用失败响应信息描述。 **取值范围：** 不涉及。                                                            |
   
#### 请求示例
取消日志流收藏
```
/v1.0/{project_id}/lts/favorite/{fav_res_id}
```
#### 响应示例
**状态码：400**
非法请求。
```
{
  "message" : {
    "code" : "LTS.0009",
    "details" : "update favorite failed"
  }
}
```
**状态码：500**
表明服务端能被请求访问到，但是服务内部出错
```
{
  "message" : {
    "code" : "LTS.0203",
    "details" : "Internal Server Error"
  }
}
```
#### 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.lts.v2.region.LtsRegion;
  import com.huaweicloud.sdk.lts.v2.*;
  import com.huaweicloud.sdk.lts.v2.model.*;
  public class DeletefavoriteSolution {
      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);
          LtsClient client = LtsClient.newBuilder()
                  .withCredential(auth)
                  .withRegion(LtsRegion.valueOf("<YOUR REGION>"))
                  .build();
          DeletefavoriteRequest request = new DeletefavoriteRequest();
          request.withFavResId("{fav_res_id}");
          try {
              DeletefavoriteResponse response = client.deletefavorite(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 huaweicloudsdklts.v2.region.lts_region import LtsRegion
  from huaweicloudsdkcore.exceptions import exceptions
  from huaweicloudsdklts.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 = LtsClient.new_builder() \
          .with_credentials(credentials) \
          .with_region(LtsRegion.value_of("<YOUR REGION>")) \
          .build()
      try:
          request = DeletefavoriteRequest()
          request.fav_res_id = "{fav_res_id}"
          response = client.deletefavorite(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"
      lts "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/v2/model"
      region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/lts/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, err := basic.NewCredentialsBuilder().
          WithAk(ak).
          WithSk(sk).
          WithProjectId(projectId).
          SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      hcClient, err := lts.LtsClientBuilder().
           WithRegion(region.ValueOf("<YOUR REGION>")).
           WithCredential(auth).
           SafeBuild()
      if err != nil {
          fmt.Println(err)
          return
      }
      client := lts.NewLtsClient(hcClient)
      request := &model.DeletefavoriteRequest{}
  request.FavResId = "{fav_res_id}"
  response, err := client.Deletefavorite(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/LTS/sdk?api=Deletefavorite)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 | 取消收藏成功                |
| 400 | 非法请求。                 |
| 500 | 表明服务端能被请求访问到，但是服务内部出错 |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-lts/ErrorCode.html)。