public ImageModel GetPic(int width, int height, string pictureFileNo, string type)
{
//如果图片不存在的错误----
string filecontent = string.Empty;
string picExtension = string.Empty;
try
{
switch (type)
{
case "1":
ProductPictureFile model = DapperUtil.QueryByIdentityWithNoLock <ProductPictureFile>(pictureFileNo);
filecontent = model.FileContent;
picExtension = model.Extension;
break;
case "2":
SystemPictureFile model2 = DapperUtil.QueryByIdentityWithNoLock <SystemPictureFile>(pictureFileNo);
filecontent = model2.FileContent;
picExtension = model2.Extension;
break;
case "3":
UserPictureFile model3 = DapperUtil.QueryByIdentityWithNoLock <UserPictureFile>(pictureFileNo);
filecontent = model3.FileContent;
picExtension = model3.Extension;
break;
}
}
catch (Exception)
{
return(new ImageModel());
}
Image outImage = PictureFileConverter.GetThumbnailImage(filecontent, width, height);
ImageModel imgModel = new ImageModel
{
Extension = picExtension,
Image = outImage
};
return(imgModel);
}
/// <summary>
/// 通用保存图片 isArea 0 宽大于等于 1 宽大于等于，高等于 2严格宽高
/// </summary>
/// <param name="postedFile"></param>
/// <param name="imgSize">width:640,Height:0,Length:50</param>
/// <returns></returns>
public Dictionary <string, string> PostImg(HttpPostedFileBase postedFile, string imgSize, string[] allowTypes, int isArea = 0)
{
#region 方案二
//string types = AppSettingManager.AppSettings["InputSystemImgType"];
//string[] allowTypes = string.IsNullOrEmpty(types) ? (new string[] { ".jpg", ".gif" }) : (types.Split('/'));
Dictionary <string, string> result = new Dictionary <string, string>();
string message = string.Empty;
if (postedFile != null && !string.IsNullOrEmpty(postedFile.FileName))
{
string fileFullName = postedFile.FileName;
string fileType = Path.GetExtension(fileFullName).ToLower();
string fileName = Path.GetFileName(fileFullName);
if (allowTypes.Contains(fileType))
{
int conLen = postedFile.ContentLength;
//读取文件为 二进制流 , 保存到 图片表 , 返回 图片编号
byte[] btImgs = new byte[conLen];
using (Stream s = postedFile.InputStream)
{
s.Seek(0, SeekOrigin.Begin);
s.Position = 0;
s.Read(btImgs, 0, conLen);
}
System.IO.Stream stream = new System.IO.MemoryStream(btImgs); //将byte数组回归成流
System.Drawing.Image original_image = System.Drawing.Image.FromStream(stream); //使用流创建图片
int width = original_image.Width; //图片的宽度
int height = original_image.Height; //图片的高度
original_image.Dispose(); //释放资源
long length = stream.Length / 1024; //图片的大小（KB）
stream.Close();
stream.Dispose();
//string pictureSize = AppSettingManager.AppSettings[imgSize];
int img_Width = Convert.ToInt32(imgSize.Split(',')[0].Split(':')[1].ToString());
int img_Heighth = Convert.ToInt32(imgSize.Split(',')[1].Split(':')[1].ToString());
int img_Length = Convert.ToInt32(imgSize.Split(',')[2].Split(':')[1].ToString());
if (isArea == 1)//宽大于等于，高等于
{
if (width < img_Width || height != img_Heighth)
{
message = "请上传宽大于等于" + img_Width.ToString() + "高等于" + img_Heighth.ToString() + "的图片！！";
result.Add("error", message);
return(result);
}
if (img_Length > 0 && length > img_Length)
{
message = "请上传小于" + img_Length.ToString() + "KB的图片！！";
result.Add("error", message);
return(result);
}
}
else if (isArea == 2) //严格宽高
{
//如果Length0 则表示不限制此信息······
if (img_Length > 0 && length > img_Length)
{
message = "请上传小于" + img_Length.ToString() + "KB的图片！！";
result.Add("error", message);
return(result);
}
//如果宽0 高0 则表示不限制此信息······
if ((width != img_Width) || (height != img_Heighth))
{
message = "请上传" + img_Width.ToString() + "*" + img_Heighth.ToString() + "的图片！！";
result.Add("error", message);
return(result);
}
}
else if (isArea == 0)
{
//如果Length0 则表示不限制此信息······
if (img_Length > 0 && length > img_Length)
{
message = "请上传小于" + img_Length.ToString() + "KB的图片！！";
result.Add("error", message);
return(result);
}
//如果宽0 高0 则表示不限制此信息······
if ((img_Width > 0 && width != img_Width) || (img_Heighth > 0 && height != img_Heighth))
{
message = "请上传" + img_Width.ToString() + "*" + img_Heighth.ToString() + "的图片！！";
result.Add("error", message);
return(result);
}
}
SystemPictureFile model = new SystemPictureFile();
model.FileContent = Convert.ToBase64String(btImgs);
model.Extension = fileType;
model.FileName = fileName;
model.OperatorId = string.Empty;
model.PictureFileNo = DateTime.Now.ToString("yyyyMMddHHmmssfff") + ThreadSafeRandom.Next(1000).ToString("000");
SWfsSubjectService service = new SWfsSubjectService();
string pictureNo = service.InserSystemImg(model);
result.Add("success", pictureNo);
return(result);
}
else
{
result.Add("error", "上传图片格式不正确！");
return(result);
}
}
string typestr = allowTypes.Aggregate((a, b) => a + "," + b);
result.Add("error", "请上传尺寸为" + imgSize + "，格式为" + typestr + "的图片");
result.Add("error", "请上传图片！");
return(result);
#endregion
}
/*因为20130913商品活动需求 重构方法 添加最大值 最小值
* 例width:640|640 split[0]最小值 split[0]最大值 如果都为0 不限制 如果相等固定图片大小
*/
/// <summary>
/// 通用保存图片
/// </summary>
/// <param name="postedFile"></param>
/// <param name="imgSize">width:640|640,Height:0|0,Length:50|50</param>
/// <param name="flag">true图片是固定大小 flase图片大小在区间之内</param>
/// <returns></returns>
public Dictionary <string, string> PostImg(HttpPostedFileBase postedFile, string imgSize, bool flag)
{
if (flag)
{
return(PostImg(postedFile, imgSize));
}
string types = AppSettingManager.AppSettings["InputSystemImgType"];
string[] allowTypes = string.IsNullOrEmpty(types) ? (new string[] { ".jpg", ".gif", "png" }) : (types.Split('/'));
Dictionary <string, string> result = new Dictionary <string, string>();
string message = string.Empty;
if (postedFile != null && !string.IsNullOrEmpty(postedFile.FileName))
{
string fileFullName = postedFile.FileName;
string fileType = Path.GetExtension(fileFullName).ToLower();
string fileName = Path.GetFileName(fileFullName);
if (allowTypes.Contains(fileType))
{
int conLen = postedFile.ContentLength;
byte[] btImgs = new byte[conLen];
using (Stream s = postedFile.InputStream)
{
s.Seek(0, SeekOrigin.Begin);
s.Position = 0;
s.Read(btImgs, 0, conLen);
}
System.IO.Stream stream = new System.IO.MemoryStream(btImgs); //将byte数组回归成流
System.Drawing.Image original_image = System.Drawing.Image.FromStream(stream); //使用流创建图片
int width = original_image.Width; //图片的宽度
int height = original_image.Height; //图片的高度
original_image.Dispose(); //释放资源
long length = stream.Length / 1024; //图片的大小（KB）
stream.Close();
stream.Dispose();
#region 判断
/*因为20130913商品活动需求 重构方法 添加最大值 最小值
* 例width:640|640,Height:0|0,Length:50|50
* width:640|640 split[0]最小值 split[0]最大值 如果都为0 不限制 如果相等固定图片大小
*/
string getWidth = imgSize.Split(',')[0].Split(':')[1].ToString();
string getHeighth = imgSize.Split(',')[1].Split(':')[1].ToString();
string getLength = imgSize.Split(',')[2].Split(':')[1].ToString();
//宽度区间
int imgMinWidth, imgMaxWidth;
if (getWidth.Contains('|'))
{
imgMinWidth = Convert.ToInt32(getWidth.Split('|')[0]);
imgMaxWidth = Convert.ToInt32(getWidth.Split('|')[1]);
}
else
{
imgMinWidth = Convert.ToInt32(getWidth);
imgMaxWidth = Convert.ToInt32(getWidth);
}
//高度区间
int imgMinHeight, imgMaxHeight;
if (getHeighth.Contains('|'))
{
imgMinHeight = Convert.ToInt32(getHeighth.Split('|')[0]);
imgMaxHeight = Convert.ToInt32(getHeighth.Split('|')[1]);
}
else
{
imgMinHeight = Convert.ToInt32(getHeighth);
imgMaxHeight = Convert.ToInt32(getHeighth);
}
//大小区间
int imgMinLength, imgMaxLength;
if (getLength.Contains('|'))
{
imgMinLength = Convert.ToInt32(getLength.Split('|')[0]);
imgMaxLength = Convert.ToInt32(getLength.Split('|')[1]);
}
else
{
imgMinLength = Convert.ToInt32(getLength);
imgMaxLength = Convert.ToInt32(getLength);
}
if (!(imgMinWidth == imgMaxWidth && imgMinWidth == 0))
{
imgMaxWidth = imgMaxWidth == 0 ? int.MaxValue : imgMaxWidth;
if (width < imgMinWidth || width > imgMaxWidth)
{
if (imgMaxWidth == 0 || imgMaxWidth == int.MaxValue)
{
message = "请上传宽度大于" + imgMinWidth + "的图片！！";
}
else
{
message = "请上传宽度为" + imgMinWidth + "-" + imgMaxWidth + "的图片！！";
}
result.Add("error", message);
return(result);
}
}
if (!(imgMinHeight == imgMaxHeight && imgMaxHeight == 0))
{
imgMaxHeight = imgMaxHeight == 0 ? int.MaxValue : imgMaxHeight;
if (imgMaxHeight != height)
{
message = "请上传高度为" + imgMinHeight + "的图片！！";
result.Add("error", message);
return(result);
}
if (height < imgMinHeight || height > imgMaxHeight)
{
message = "请上传高度为" + imgMinHeight + "-" + imgMaxHeight + "的图片！！";
result.Add("error", message);
return(result);
}
}
if (!(imgMinLength == imgMaxLength && imgMaxLength == 0))
{
if (length > imgMaxLength)
{
message = "请上传大小为" + imgMaxLength + "的图片！！";
result.Add("error", message);
return(result);
}
}
#endregion
SystemPictureFile model = new SystemPictureFile();
model.FileContent = Convert.ToBase64String(btImgs);
model.Extension = fileType;
model.FileName = fileName;
model.OperatorId = string.Empty;
model.PictureFileNo = DateTime.Now.ToString("yyyyMMddHHmmssfff") + ThreadSafeRandom.Next(1000).ToString("000");
SWfsSubjectService service = new SWfsSubjectService();
string pictureNo = service.InserSystemImg(model);
result.Add("success", pictureNo);
return(result);
}
else
{
result.Add("error", "请上传.jpg或.gif格式的图片！");
return(result);
}
}
result.Add("error", "请上传尺寸为" + imgSize + "，格式为" + types + "的图片");
return(result);
}
