/// <summary>
/// 上传文件到OSS
/// </summary>
/// <param name="file">文件内存流</param>
/// <param name="key">Key</param>
/// <param name="bucketName">存储空间(Bucket)名称</param>
/// <param name="bucketType">存储空间(Bucket)类型</param>
/// <returns></returns>
/// <Author>旷丽文</Author>
public PutObjectResult PutFile(Stream file, string key, string bucketName, BucketType bucketType)
{
if (file == null)
{
throw new Exception("文件为空");
}
if (key.IsNullOrWhiteSpace())
{
throw new Exception("Key不能为空");
}
if (bucketName.IsNullOrWhiteSpace())
{
throw new Exception("bucket不能为空");
}
try
{
key = key.Trim();
bucketName = $"{AppSettings["OSSBucketName"]}{bucketType.ToString()}{bucketName}".ToLower();
var result = this.Client.PutObject(bucketName, key, file);
return(result);
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(null);
}
finally
{
file.Close();
file.Dispose();
}
}
/// <summary>
/// 上传字符串到OSS
/// </summary>
/// <param name="value">字符串值</param>
/// <param name="key">Key</param>
/// <param name="bucketName">存储空间(Bucket)名称</param>
/// <param name="bucketType">存储空间(Bucket)类型</param>
/// <returns></returns>
/// <Author>旷丽文</Author>
public PutObjectResult PutString(string value, string key, string bucketName, BucketType bucketType)
{
if (value.IsNullOrWhiteSpace())
{
throw new Exception("字符串不能为空");
}
if (key.IsNullOrWhiteSpace())
{
throw new Exception("Key不能为空");
}
if (bucketName.IsNullOrWhiteSpace())
{
throw new Exception("bucket不能为空");
}
value = value.Trim();
try
{
key = key.Trim();
bucketName = $"{AppSettings["OSSBucketName"]}{bucketType.ToString()}{bucketName}".ToLower();
byte[] binaryData = Encoding.ASCII.GetBytes(value);
MemoryStream requestContent = new MemoryStream(binaryData);
var result = this.Client.PutObject(bucketName, key, requestContent);
requestContent.Close();
requestContent.Dispose();
return(result);
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(null);
}
}
/// <summary>
/// 创建一个新的存储空间(Bucket)
/// 不要平凡的创建存储空间
/// </summary>
/// <param name="bucketName">存储控件的名称,该名称一定要唯一</param>
/// <param name="bucketType">存储空间类型</param>
/// <returns>创建成功的话, 返回Bucket对象, 否则返回null</returns>
public Bucket CreateBucket(string bucketName, BucketType bucketType)
{
if (bucketName.IsNullOrWhiteSpace())
{
throw new Exception("bucket不能为空");
}
try
{
var exist = this.BucketExist(bucketName, bucketType);
if (exist == null)
{
throw new Exception("创建失败");
}
if ((bool)exist)
{
throw new Exception("该Bucket已经存在, 请更换名称");
}
bucketName = $"{AppSettings["OSSBucketName"]}{bucketType.ToString()}{bucketName}".ToLower();
return(this.Client.CreateBucket(bucketName));
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(null);
}
}
/// <summary>
/// 获得所有的存储空间(Bucket)
/// </summary>
/// <returns>失败返回null</returns>
/// <Author>旷丽文</Author>
public IEnumerable <Bucket> GetListBuckets()
{
try
{
return(this.Client.ListBuckets());
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(null);
}
}
/// <summary>
/// 设置存储空间的访问权限
/// </summary>
/// <param name="buckteName">存储空间的名称</param>
/// <param name="bucketType">存储空间(Bucket)类型</param>
public void SetBucketAcl(string buckteName, BucketType bucketType)
{
try
{
buckteName = $"{AppSettings["OSSBucketName"]}{bucketType.ToString()}{buckteName}".ToLower();
// 指定Bucket ACL为公共读
this.Client.SetBucketAcl(buckteName, CannedAccessControlList.PublicRead);
}
catch (Exception ex)
{
LogerManager.Error(ex);
}
}
/// <summary>
/// 判断存储空间(Bucket)是否存在
/// </summary>
/// <param name="bucketName"></param>
/// <param name="bucketType"></param>
/// <returns>是否存在的bool, 调用失败返回null</returns>
/// <Author>旷丽文</Author>
public bool?BucketExist(string bucketName, BucketType bucketType)
{
if (bucketName.IsNullOrWhiteSpace())
{
throw new Exception("bucket不能为空");
}
try
{
bucketName = $"{AppSettings["OSSBucketName"]}{bucketType.ToString()}{bucketName}".ToLower();
return(this.Client.DoesBucketExist(bucketName));
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(null);
}
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="key">Key</param>
/// <param name="bucketName">存储空间(Bucket)名称</param>
/// <param name="bucketType">存储空间(Bucket)类型</param>
/// <returns></returns>
/// <Author>旷丽文</Author>
public Stream DownFile(string key, string bucketName, BucketType bucketType)
{
if (key.IsNullOrWhiteSpace())
{
throw new Exception("Key不能为空");
}
try
{
key = key.Trim();
bucketName = $"{AppSettings["OSSBucketName"]}{bucketType.ToString()}{bucketName}".ToLower();
var file = this.Client.GetObject(bucketName, key);
return(file.Content);
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(null);
}
}
/// <summary>
/// 执行方法, 并且返回
/// </summary>
/// <typeparam name="Result">返回值类型, 如果执行失败, 返回的是default(Result)的值</typeparam>
/// <param name="func">委托</param>
/// <returns>BusinesResult</returns>
protected BusinessResult <Result> Runing <Result>(Func <Result> func)
{
try
{
if (func == null)
{
throw new Exception("方法体为空, 处理无意义, 异常来自BusinesBase类的Runing方法");
}
Result result = func();
return(new BusinessResult <Result>
{
Msg = string.Empty,
Success = true,
Value = result
});
}
catch (ParamsException ex)
{
return(new BusinessResult <Result>
{
Msg = ex.Message,
Success = false,
Value = default(Result),
Exception = ex
});
}
catch (Exception ex)
{
LogerManager.Error(ex);
return(new BusinessResult <Result>
{
Msg = ex.Message,
Success = false,
Value = default(Result),
Exception = ex
});
}
}