提取数据水印
功能介绍
提取请求数据中水印内容
调用方法
请参见如何调用API。
URI
POST /v1/{project_id}/sdg/database/watermark/extract
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID |
请求参数
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) |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
watermark_key |
是 |
String |
水印密钥 |
columns |
是 |
Array of Columns objects |
字段类型列表,最大长度100。使用时,要包含嵌入时所有“primary_key”为true的字段,和至少一个为false的字段用来提取水印 |
data |
是 |
Array of Map<String,Object> objects |
水印数据,数据条数不超过30,000条 |
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
watermarks |
Array of strings |
提取水印内容列表。上传数据中不同列可能包含不同水印,返回时将所有提取到的水印返回,列表中水印个数不超过100 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_code |
String |
错误码 |
error_msg |
String |
错误信息 |
请求示例
提取数据水印,水印密钥是key,字段类型列表中数据的字段名称为col,该字段为非主键。
POST https://{endpoint}/v1/{project_id}/sdg/database/watermark/extract { "watermark_key" : "key", "columns" : { "name" : "col", "type" : "INTEGER", "primary_key" : false }, "data" : { "col" : 0.1 } }
响应示例
状态码: 200
请求成功
{ "watermarks" : [ "watermark" ] }
状态码: 400
参数错误
{ "error_code" : "DSC.00000004", "error_msg" : "Invalid parameter" }
SDK代码示例
SDK代码示例如下。
提取数据水印,水印密钥是key,字段类型列表中数据的字段名称为col,该字段为非主键。
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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.dsc.v1.region.DscRegion; import com.huaweicloud.sdk.dsc.v1.*; import com.huaweicloud.sdk.dsc.v1.model.*; import java.util.List; import java.util.ArrayList; public class ShowDatabaseWaterMarkSolution { 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"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); DscClient client = DscClient.newBuilder() .withCredential(auth) .withRegion(DscRegion.valueOf("<YOUR REGION>")) .build(); ShowDatabaseWaterMarkRequest request = new ShowDatabaseWaterMarkRequest(); ExtractedDatabaseWatermark body = new ExtractedDatabaseWatermark(); body.withWatermarkKey("key"); request.withBody(body); try { ShowDatabaseWaterMarkResponse response = client.showDatabaseWaterMark(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()); } } } |
提取数据水印,水印密钥是key,字段类型列表中数据的字段名称为col,该字段为非主键。
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdsc.v1.region.dsc_region import DscRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdsc.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"] credentials = BasicCredentials(ak, sk) client = DscClient.new_builder() \ .with_credentials(credentials) \ .with_region(DscRegion.value_of("<YOUR REGION>")) \ .build() try: request = ShowDatabaseWaterMarkRequest() request.body = ExtractedDatabaseWatermark( watermark_key="key" ) response = client.show_database_water_mark(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
提取数据水印,水印密钥是key,字段类型列表中数据的字段名称为col,该字段为非主键。
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" dsc "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/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") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := dsc.NewDscClient( dsc.DscClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ShowDatabaseWaterMarkRequest{} request.Body = &model.ExtractedDatabaseWatermark{ WatermarkKey: "key", } response, err := client.ShowDatabaseWaterMark(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
更多编程语言的SDK代码示例,请参见API Explorer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 |
请求成功 |
400 |
参数错误 |
错误码
请参见错误码。