| 程序包 | 说明 | 
|---|---|
| com.aliyun.oss | |
| com.aliyun.oss.model | 
| 限定符和类型 | 方法和说明 | 
|---|---|
boolean | 
OSSClient.doesObjectExist(HeadObjectRequest headObjectRequest)
已过时。  
 | 
boolean | 
OSS.doesObjectExist(HeadObjectRequest headObjectRequest)
已过时。  
 | 
ObjectMetadata | 
OSSClient.headObject(HeadObjectRequest headObjectRequest)  | 
ObjectMetadata | 
OSS.headObject(HeadObjectRequest headObjectRequest)
Gets all the head data of  
OSSObject. | 
| 限定符和类型 | 类和说明 | 
|---|---|
class  | 
CreateSelectObjectMetadataRequest  | 
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