public static string SaveFile(HttpPostedFileBase file)
{
string result = "";
try
{
string directory = HttpRuntime.AppDomainAppPath.ToString();
string path = "/Upload";
string extension = Path.GetExtension(file.FileName);
CreateCatalog(directory, path);
path = string.Format("{0}/{1}", path, DateTime.Now.ToString("yyyyMMdd"));
CreateCatalog(directory, path);
path = string.Format("{0}/{1}{2}{3}", path, DateTime.Now.ToString("yyyyMMddHHmmssfff"), new Random(GetRandomSeed()).Next(1, 1000), extension);
file.SaveAs(directory + path.Replace("/", "\\"));
if (File.Exists(directory + path.Replace("/", "\\")))
{
result = path;
}
}
catch (Exception ex)
{
Log4Helper.WriteLog("保存文件失败", ex);
}
return(result);
}
public static bool DeleteFile(string path)
{
bool result = false;
try
{
string directory = HttpRuntime.AppDomainAppPath.ToString();
string url = string.Format("{0}{1}", directory, path.Replace("/", "\\"));
if (File.Exists(url))
{
File.SetAttributes(url, FileAttributes.Normal);
File.Delete(url);
}
result = true;
}
catch (Exception ex)
{
Log4Helper.WriteLog("删除文件错误", ex);
}
Log4Helper.WriteLog("删除文件：" + path);
return(result);
}
/// <summary>
/// 根据原图片和字节流二维码
/// </summary>
/// <param name="sourceImg"></param>
/// <param name="topImg"></param>
static public string CombinImageBitmap(string sourceImg, Bitmap topImg, string context)
{
string result = "";
Image img1 = Image.FromFile(Path.Combine(FileHelper.GetLocalPath(sourceImg))); //相框图片
Image img2 = Image.FromHbitmap(topImg.GetHbitmap()); //照片图片
try
{
FileHelper.CreatePath("/Generate");
result = $"/Generate/{DateTime.Now.ToString("yyyyMMddHHmmssfff")}.png";
using (Graphics g = Graphics.FromImage(img1))
{
g.DrawImage(img1, 0, 0, 374, 662); // g.DrawImage(imgBack, 0, 0, 相框宽, 相框高);
//g.FillRectangle(System.Drawing.Brushes.Black, 16, 16, (int)112 + 2, ((int)73 + 2));//相片四周刷一层黑色边框
//g.DrawImage(img, 照片与相框的左边距, 照片与相框的上边距, 照片宽, 照片高);
if (!string.IsNullOrEmpty(context))
{
g.DrawString(context, new Font("微软雅黑", 18, FontStyle.Bold), Brushes.White, new Point(100, 615));
}
g.DrawImage(img2, 92, 374, 190, 193);
//g.DrawImage(img2, 310, 875, 470, 470);
GC.Collect();
img1.Save(FileHelper.GetLocalPath(result));
img1.Dispose();
}
}
catch (Exception ex)
{
result = "";
Log4Helper.WriteLog("", ex);
}
finally
{
img1.Dispose();
img2.Dispose();
}
return(result);
}
public static string SaveFileForBase64(string file, string fileName)
{
string result = "";
try
{
string directory = HttpRuntime.AppDomainAppPath.ToString();
string path = "/Upload";
byte[] content = Convert.FromBase64String(file.Substring(file.IndexOf("base64,") + 7));//切除前面那段image标识
string extension = Path.GetExtension(fileName);
CreateCatalog(directory, path);
path = string.Format("{0}/{1}", path, DateTime.Now.ToString("yyyyMMdd"));
CreateCatalog(directory, path);
path = string.Format("{0}/{1}{2}{3}", path, DateTime.Now.ToString("yyyyMMddHHmmssfff"), new Random(GetRandomSeed()).Next(1, 1000), extension);
using (MemoryStream ms = new MemoryStream(content))
{
Bitmap bm = new Bitmap(ms);
bm.Save(directory + path.Replace("/", "\\"));
}
if (File.Exists(directory + path.Replace("/", "\\")))
{
result = path;
}
}
catch (Exception ex)
{
Log4Helper.WriteLog("保存文件失败", ex);
}
return(result);
}