/// <summary>
/// 下载文件
/// </summary>
/// <param name="userInfo">用户</param>
/// <param name="id">主键</param>
/// <returns>文件</returns>
public byte[] Downloads(BaseUserInfo userInfo, string id)
{
byte[] result = null;
var parameter = ServiceInfo.Create(userInfo, MethodBase.GetCurrentMethod());
ServiceUtil.ProcessUserCenterReadDb(userInfo, parameter, (dbHelper) =>
{
var manager = new BaseFileManager(dbHelper, userInfo);
if (BaseSystemInfo.UploadStorageMode == "Disk")
{
manager.UpdateReadCount(id); // 阅读次数要加一
BaseFileEntity entity = manager.GetObject(id);
System.IO.FileStream fs = null;
//建立二进制读取
System.IO.BinaryReader br = null;
fs = new FileStream(entity.FilePath + entity.FileName, System.IO.FileMode.Open);
br = new BinaryReader((Stream)fs);
result = br.ReadBytes((int)fs.Length);
br.Close();
fs.Close();
}
else
{
result = manager.Download(id);
}
});
return(result);
}
/// <summary>
/// 获取实体
/// </summary>
/// <param name="userInfo">用户</param>
/// <param name="id">主键</param>
/// <returns>实体</returns>
public BaseFileEntity GetObject(BaseUserInfo userInfo, string id)
{
BaseFileEntity entity = null;
var parameter = ServiceInfo.Create(userInfo, MethodBase.GetCurrentMethod());
ServiceUtil.ProcessUserCenterReadDb(userInfo, parameter, (dbHelper) =>
{
var manager = new BaseFileManager(dbHelper, userInfo);
entity = manager.GetObject(id);
});
return(entity);
}