NIMCustomAttachment Protocol Reference
| Conforms to | NSObject | 
|---|---|
| Declared in | NIMCustomObject.h | 
– encodeAttachment
required method
	序列化attachment
- (NSString *)encodeAttachmentReturn Value
序列化后的结果,将用于透传
Discussion
序列化attachment
Declared In
NIMCustomObject.h
– attachmentNeedsUpload
	是否需要上传附件
- (BOOL)attachmentNeedsUploadReturn Value
是否需要上传附件
Discussion
是否需要上传附件
Declared In
NIMCustomObject.h
– attachmentPathForUploading
	需要上传的附件路径
- (NSString *)attachmentPathForUploadingReturn Value
路径
Discussion
需要上传的附件路径
Declared In
NIMCustomObject.h
– updateAttachmentURL:
	更新附件URL
- (void)updateAttachmentURL:(NSString *)urlStringParameters
urlString | 
						附件url  | 
					
|---|
Discussion
更新附件URL
Declared In
NIMCustomObject.h
– attachmentNeedsDownload
	是否需要下载附件
- (BOOL)attachmentNeedsDownloadReturn Value
是否需要上传附件
Discussion
是否需要下载附件
Declared In
NIMCustomObject.h
– attachmentURLStringForDownloading
	需要下载的附件url
- (NSString *)attachmentURLStringForDownloadingReturn Value
附件url
Discussion
需要下载的附件url
如果当前字段是云信的 http url 地址,那么需要调用 idNIMResourceManager 中 normalizeURLString: 方法将这个地址进行转 https 和 cdn 加速格式
Declared In
NIMCustomObject.h
– attachmentPathForDownloading
	需要下载的附件本地路径
- (NSString *)attachmentPathForDownloadingReturn Value
附件本地路径
Discussion
需要下载的附件本地路径
上层需要保证路径的
Declared In
NIMCustomObject.h