// 检查文件是否存在
public JsonResult CheckExists(List <FileHashInfo> hashlist)
{
FileSystemClient client = new FileSystemClient(AppConfig.FileSystem_AppID, AppConfig.FileSystem_AppSecret);
string[] hashcodes = new string[hashlist.Count];
int[] sizes = new int[hashlist.Count];
for (int i = 0; i < hashlist.Count; i++)
{
var item = hashlist[i];
hashcodes[i] = item.HashCode;
sizes[i] = item.Size;
}
return(Json(client.CheckFile(hashcodes, sizes)));
}
