DescribeFileUploadSignature
调试
您可以在OpenAPI Explorer中直接运行该接口，免去您计算签名的困扰。运行成功后，OpenAPI Explorer可以自动生成SDK代码示例。
调试
授权信息
请求语法
GET HTTP/1.1请求参数
|
名称 |
类型 |
必填 |
描述 |
示例值 |
| DmsUnit |
string |
否 |
当前 DMS 单元 |
cn-hangzhou |
| CallFrom |
string |
否 |
仅前端使用 |
仅前端使用 |
返回参数
|
名称 |
类型 |
描述 |
示例值 |
|
object |
Schema of Response |
||
| RequestId |
string |
Id of the request |
0FEE5834-C55A-5995-A6A3-B443304965BD |
| Data |
object |
返回结构体 |
|
| OssCredential |
string |
指明派生密钥的参数集 |
STS.NXzWrLJ6fp**********/20260101/cn-hangzhou/oss/aliyun_v4_request |
| OssDate |
string |
请求的时间，其格式遵循 ISO 8601 日期和时间标准 |
20260101T135341Z |
| OssSignatureVersion |
string |
指定签名的版本和算法 |
OSS4-HMAC-SHA256 |
| OssSignature |
string |
用于签名认证的描述信息 |
9bebe0900716bdefaab899781c7bdfd614ec6ed711e0de5ddf6f5a********** |
| OssSecurityToken |
string |
上传到 OSS 使用的 STS token，1 小时有效 |
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********** |
| Policy |
string |
文件上传权限限制和约束条件 |
eyJjb25kaXRpb25zIjpbeyJ4LW9zcy1jcmVkZW50aWFsIjoiU1RTLk5YeldyTEo2ZnA5RlNuUTN6OGthQjFFWH********** |
| UploadHost |
string |
文件上传的目标地址 |
https://**********.oss-cn-hangzhou.aliyuncs.com |
| UploadDir |
string |
文件上传的路径 |
data_agent/file_upload/16738266********/20260101T135341Z/eurzkytli9ksnur********** |
| Success |
boolean |
请求是否成功，返回值如下：
|
true |
| ErrorCode |
string |
错误码 |
success |
| ErrorMessage |
string |
调用失败时，返回的错误信息 |
Specified parameter Tid is not valid. |
示例
正常返回示例
JSON格式
{
"RequestId": "0FEE5834-C55A-5995-A6A3-B443304965BD",
"Data": {
"OssCredential": "STS.NXzWrLJ6fp**********/20260101/cn-hangzhou/oss/aliyun_v4_request",
"OssDate": "20260101T135341Z",
"OssSignatureVersion": "OSS4-HMAC-SHA256",
"OssSignature": "9bebe0900716bdefaab899781c7bdfd614ec6ed711e0de5ddf6f5a**********",
"OssSecurityToken": "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**********",
"Policy": "eyJjb25kaXRpb25zIjpbeyJ4LW9zcy1jcmVkZW50aWFsIjoiU1RTLk5YeldyTEo2ZnA5RlNuUTN6OGthQjFFWH**********\n",
"UploadHost": "https://**********.oss-cn-hangzhou.aliyuncs.com",
"UploadDir": "data_agent/file_upload/16738266********/20260101T135341Z/eurzkytli9ksnur**********"
},
"Success": true,
"ErrorCode": "success",
"ErrorMessage": "Specified parameter Tid is not valid."
}错误码
访问错误中心查看更多错误码。
变更历史
更多信息，参考变更详情。