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
请求参数
| 名称 | 类型 | 是否必选 | 示例值 | 描述 |
| Action | String | 是 | DescribeDBInstances | 系统规定参数。取值为DescribeDBInstances。 |
| RegionId | String | 是 | ch-hangzhou | 实例所属地域。 |
| PageNumber | Integer | 否 | 1 | 页码，取值为大于0且不超过Integer数据类型的最大值，默认值为1。 |
| PageSize | Integer | 否 | 30 | 每页记录数，取值为30、50或100。 默认值为30。 |
| ResourceGroupId | String | 否 | -1 | 资源组ID。 |
返回数据
| 名称 | 类型 | 示例值 | 描述 |
| DBInstances | Array of DBInstance | 实例信息。 |
|
| ExpireDate | String | 2020-08-29T06:09:30.000+0800 | 实例到期时间，格式为 说明 仅包年包月实例支持该参数。 |
| PageNumber | Integer | 1 | 页码，取值为大于0且不超过Integer数据类型的最大值，默认值为1。 |
| PageSize | Integer | 30 | 每页记录数，取值为30、50或100。 默认值为30。 |
| RequestId | String | 91EA81C3-1622-47BF-BDCC-0D7BA1****** | 请求ID。 |
示例
请求示例
http(s)://polardbx.cn-hangzhou.aliyuncs.com/?Action=DescribeDBInstances &RegionId=ch-hangzhou &<公共请求参数>
正常返回示例
XML 格式
<code>200</code>
<data><RequestId>91EA81C3-1622-47BF-BDCC-0D7BA1</RequestId>
<PageSize>2</PageSize>
<PageNumber>1</PageNumber>
<DBInstances>
<Status>Running</Status>
<Description/>
<ZoneId>cn-hangzhou-h</ZoneId>
<NodeCount>2</NodeCount>
<VPCId>vpc-*</VPCId>
<CreateTime>2020-07-29T06:09:30.000+0800</CreateTime>
<Expired>false</Expired>
<PayType>Prepaid</PayType>
<DBType>polarx</DBType>
<LockMode>Unlock</LockMode>
<StorageUsed>6784286720</StorageUsed>
<NodeClass>polarx.x4.large.2d</NodeClass>
<DBVersion>5.7</DBVersion>
<Network>VPC</Network>
<CommodityCode>drds_polarxpre_public_cn</CommodityCode>
<Id>pxc-**</Id>
<RegionId>cn-hangzhou</RegionId>
<ExpireTime>2020-08-29T06:09:30.000+0800</ExpireTime>
<Engine>polarx</Engine>
</DBInstances>
<DBInstances>
<Status>Running</Status>
<Description>2test</Description>
<ZoneId>cn-hangzhou-h</ZoneId>
<NodeCount>2</NodeCount>
<VPCId>vpc-*</VPCId>
<CreateTime>2020-07-29T06:09:30.000+0800</CreateTime>
<Expired>false</Expired>
<PayType>Prepaid</PayType>
<DBType>polarx</DBType>
<LockMode>Unlock</LockMode>
<StorageUsed>6834618368</StorageUsed>
<NodeClass>polarx.x4.large.2d</NodeClass>
<DBVersion>5.7</DBVersion>
<Network>VPC</Network>
<CommodityCode>drds_polarxpre_public_cn</CommodityCode>
<Id>pxc-**</Id>
<RegionId>cn-hangzhou</RegionId>
<ExpireTime>2020-08-29T06:09:30.000+0800</ExpireTime>
<Engine>polarx</Engine>
</DBInstances>
</data>
<httpStatusCode>200</httpStatusCode>
<requestId>91EA81C3-1622-47BF-BDCC-0D7BA1</requestId>
<successResponse>true</successResponse>
JSON 格式
{
"code": "200",
"data": {
"RequestId": "91EA81C3-1622-47BF-BDCC-0D7BA1",
"PageSize": 2,
"PageNumber": 1,
"DBInstances": [{
"Status": "Running",
"Description": "",
"ZoneId": "cn-hangzhou-h",
"NodeCount": 2,
"VPCId": "vpc-*",
"CreateTime": "2020-07-29T06:09:30.000+0800",
"Expired": false,
"PayType": "Prepaid",
"DBType": "polarx",
"LockMode": "Unlock",
"StorageUsed": 6784286720,
"NodeClass": "polarx.x4.large.2d",
"DBVersion": "5.7",
"Network": "VPC",
"CommodityCode": "drds_polarxpre_public_cn",
"Id": "pxc-**",
"RegionId": "cn-hangzhou",
"ExpireTime": "2020-08-29T06:09:30.000+0800",
"Engine": "polarx"
}, {
"Status": "Running",
"Description": "2test",
"ZoneId": "cn-hangzhou-h",
"NodeCount": 2,
"VPCId": "vpc-*",
"CreateTime": "2020-07-29T06:09:30.000+0800",
"Expired": false,
"PayType": "Prepaid",
"DBType": "polarx",
"LockMode": "Unlock",
"StorageUsed": 6834618368,
"NodeClass": "polarx.x4.large.2d",
"DBVersion": "5.7",
"Network": "VPC",
"CommodityCode": "drds_polarxpre_public_cn",
"Id": "pxc-**",
"RegionId": "cn-hangzhou",
"ExpireTime": "2020-08-29T06:09:30.000+0800",
"Engine": "polarx"
}]
},
"httpStatusCode": "200",
"requestId": "91EA81C3-1622-47BF-BDCC-0D7BA1",
"successResponse": true
}
</div>