List Multipart Uploads可以列出指定Bucket下还未完成的MultipartUpload，请求时可以通过一些查询条件来限制返回的结果。该操作最多返回10000个Multipart Upload。如果符合查询条件的结果超过10000个。超过10000个Multipart Upload，会返回 400错误，错误码返回 TooManyMultipartUploads。
请求语法
GET /BucketName?uploads HTTP/1.1 Host: BucketName.s-bj.jcloud.com Date: GMT Date Authorization: signatureValue
请求参数
| 名称 | 描述 |
|---|---|
| prefix | 限定返回的object key必须以prefix作为前缀。注意使用prefix查询时，返回的key中仍会包含prefix。 类型：字符串 |
响应元素
| 名称 | 描述 |
|---|---|
| Bucket | Bucket名称 类型：字符串 |
| Key | 初始化Multipart Upload事件的Object名字 类型：字符串 |
| UploadId | Multipart Upload事件的ID 类型：字符串 |
| Initiated | Multipart Upload事件初始化的时间 类型：日期 |
| Enable-Encryption | 是否对上传的内容进行加密 有效值：TRUE(进行加密)，FALSE(不进行加密) 类型：枚举字符串 |
| StorageClass | Object的存储类型，默认值是"STANDARD"（标准存储） 支持"STANDARD"（标准存储）和"REDUCED_REDUNDANCY"（低频访问型）两种存储类型 注意：目前"REDUCED_REDUNDANCY"（低频访问型）仅华北机房支持 类型：字符串 默认值："STANDARD"（标准存储） |
细节分析
1."max-uploads"参数最大值为10000。
2.返回的结果按照Key和UploadId的字典序排序。
请求示例
GET /?uploads HTTP/1.1 Date: Wed, 12 Jul 2017 13:58:14 GMT Authorization: jingdong 298718BEDE59FF1B2E96A3152937D37B:YVbn+CqITQzQNRWzVKcxPq3V0PY= Host: oss-test.s-bj.jcloud.com Connection: Keep-Alive
返回示例
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 12 Jul 2017 13:58:14 GMT
Content-Type: application/json;charset=UTF-8
Content-Length: 714
Connection: keep-alive
x-jss-request-id: A9E0EE26B6EF677E
{"Bucket":"oss-test","Prefix":null,"Upload":[{"Key":"oss-test-mul1","UploadId":"97D11DAE98672320",
"Initiated":"Wed, 12 Jul 2017 13:58:02 GMT","Enable-Encryption":"false","Summary":null,"StorageClass":"STANDARD"},
{"Key":"oss-test-mul2","UploadId":"8238F7E35F3FFCFE","Initiated":"Wed, 12 Jul 2017 13:58:02 GMT",
"Enable-Encryption":"false","Summary":null,"StorageClass":"STANDARD"},{"Key":"oss-test-mul3",
"UploadId":"90895A4BB2A635DF","Initiated":"Wed, 12 Jul 2017 13:58:02 GMT",
"Enable-Encryption":"false","Summary":null,"StorageClass":"STANDARD"},
{"Key":"oss-test-mul4","UploadId":"857A7712C57EA243","Initiated":"Wed, 12 Jul 2017 13:58:02 GMT",
"Enable-Encryption":"false","Summary":null,"StorageClass":"STANDARD"}]}