/// <summary>
/// 保存图片
/// </summary>
/// <param name="inputStream">输入数据流</param>
/// <param name="sRootDirectory">保存的根目录(不要包括根据时间自动生成的目录)</param>
/// <param name="sExtension">扩展名</param>
/// <returns>返回根据时间自动生成的文件路径</returns>
public static string SaveImage(Stream inputStream, string sRootDirectory, string sExtension)
{
sRootDirectory = sRootDirectory.TrimEnd('/', '\\');
string sReturn = GetImageDirectory() + CreateFileName(sExtension);
string path = sRootDirectory + sReturn;
CDirectory.Create(Path.GetDirectoryName(path));
using (FileStream fStream = File.Create(path))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = inputStream.Read(data, 0, data.Length);
if (size > 0)
{
fStream.Write(data, 0, size);
}
else
{
break;
}
}
}
return(sReturn);
}
/// <summary>
/// 解压zip数据包并保存图片
/// </summary>
/// <param name="inputStream">输入数据流</param>
/// <param name="sDirectory">保存的根目录(不要包括根据时间自动生成的目录)</param>
/// <returns>返回根据时间自动生成的文件路径列表</returns>
public static List <string> UnzipImage(Stream inputStream, string sRootDirectory)
{
sRootDirectory = sRootDirectory.TrimEnd('/', '\\');
List <string> list = new List <string>();
using (ZipInputStream s = new ZipInputStream(inputStream))
{
//为了防止图片文件名重复,在文件名后添加一个标识
int i = 0;
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
string extension = Path.GetExtension(theEntry.Name);
if (fileName != string.Empty)
{
if (VaildImageType.IndexOf("/" + extension + "/") == -1)
{
continue;
}
string sReturn = GetImageDirectory() + CreateFileName(extension, i++);
string path = sRootDirectory + @"\" + sReturn;
CDirectory.Create(Path.GetDirectoryName(path));
using (FileStream fStream = File.Create(path))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
fStream.Write(data, 0, size);
}
else
{
break;
}
}
}
list.Add(sReturn);
}
}
}
return(list);
}
public ReMsg UploadPic(Stream stream)
{
string saveBase = SiteConfig.PhotoBasePath;
var now = DateTime.Now;
string fileUrl = string.Format("{0}/{1}/{2}/{3}/", saveBase, now.Year, now.Month, now.Day);
string filePath = HttpContext.Current.Server.MapPath("~" + fileUrl);
string fileName = DateTime.Now.ToString("hhmmss") + new Random().Next(1, 1000);
string smallFileName = fileName + "_s";
fileName += ".jpg";
smallFileName += ".jpg";
CDirectory.Create(filePath);
var fileFullName = Path.Combine(filePath, fileName);
var smallFileFullName = Path.Combine(filePath, smallFileName);
var fromimg = Image.FromStream(stream);
bool b = false;
try
{
b = MakeThumbnail(fromimg, fileFullName, fromimg.Width, fromimg.Height, 80);
if (b)
{
b = MakeThumbnail(fromimg, smallFileFullName, 250, 250, 80);
}
}
catch (Exception ex)
{
LogHelper.AddLog(ex.ToString());
}
finally
{
if (fromimg != null)
{
fromimg.Dispose();
}
}
return(ReMsg(b, b ? fileUrl + fileName : "缩略图存储失败"));
}
public static void SaveImage(Stream inputStream, string sFilePath)
{
CDirectory.Create(Path.GetDirectoryName(sFilePath));
using (FileStream fStream = File.Create(sFilePath))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = inputStream.Read(data, 0, data.Length);
if (size > 0)
{
fStream.Write(data, 0, size);
}
else
{
break;
}
}
}
}
/// <summary>
/// 保存缩略图片
/// </summary>
/// <param name="inputStream">输入数据流</param>
/// <param name="sRootDirectory">保存的根目录(不要包括根据时间自动生成的目录)</param>
/// <param name="sExtension">扩展名</param>
/// <param name="iWidth">图片宽度（缩略后）</param>
/// <param name="iHeight">图片高度（缩略后）</param>
/// <returns></returns>
public static string SaveThumbnailImage(Stream inputStream, string sRootDirectory, string sExtension, int iWidth, int iHeight)
{
Image image = Image.FromStream(inputStream);
image = image.GetThumbnailImage(iWidth, iHeight, null, System.IntPtr.Zero);
MemoryStream newStream = new MemoryStream();
image.Save(newStream, GetImageType(sExtension));
newStream.Seek(0, SeekOrigin.Begin);
//保存
sRootDirectory = sRootDirectory.TrimEnd('/', '\\');
string sReturn = GetImageDirectory() + "T" + CreateFileName(sExtension);
string path = sRootDirectory + sReturn;
CDirectory.Create(Path.GetDirectoryName(path));
using (FileStream fStream = File.Create(path))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = newStream.Read(data, 0, data.Length);
if (size > 0)
{
fStream.Write(data, 0, size);
}
else
{
break;
}
}
}
return(sReturn);
}
public void SaveModel()
{
CDirectory.Create(FilePath);
SerializeHelper <BaseXmlModel <T> > .SerToXml(_XmlModel, FullPath);
}
