/// <summary>
/// dpi改变事件
/// </summary>
private void numericUpDownDpi_ValueChanged(object sender, EventArgs e)
{
imgWidth = imgWidth * (int)numericUpDownDpi.Value / DPI;
imgHeight = imgHeight * (int)numericUpDownDpi.Value / DPI;
tbWidth.Text = ImgWidth.ToString();
tbHeight.Text = ImgHeight.ToString();
DPI = (int)numericUpDownDpi.Value;
}
/// <summary>
/// 默认构造函数
/// </summary>
public ExportMapForm(int width = 0, int height = 0)
{
InitializeComponent();
imgWidth = width;
imgHeight = height;
tbWidth.Text = ImgWidth.ToString();
tbHeight.Text = ImgHeight.ToString();
tbExportPath.Text = filePath;
}
/// <summary>
/// 通用图片上传类
/// </summary>
/// <param name="postedFile">HttpPostedFile控件</param>
/// <param name="savePath">保存路径【sys.config配置路径】</param>
/// <param name="finame">返回文件名</param>
/// <param name="fisize">返回文件大小</param>
/// <returns>【-1,上传失败，0-系统配置错误,1-上传图片成功，2-格式错误，3-超过文件上传大小,4-未上传文件】</returns>
public static int FileSaveAs(HttpPostedFile postedFile, string savePath, ref string finame, ref int fisize)
{
try
{
if (string.IsNullOrEmpty(postedFile.FileName))
{
return(4);
}
var rd = new Random();
int rdInt = rd.Next(1000, 9999);
//重命名名称
string newfileName = DateTime.Now.Year + DateTime.Now.Month.ToString() + DateTime.Now.Day +
DateTime.Now.Hour + DateTime.Now.Minute + DateTime.Now.Second +
DateTime.Now.Millisecond + rdInt;
//获取上传文件的扩展名
string sEx = Path.GetExtension(postedFile.FileName);
if (!CheckValidExt(AllowFormat, sEx))
{
return(2); //格式错误
}
//获取上传文件的大小
int postFileSize = postedFile.ContentLength / 1024;
if (postFileSize > AllowSize)
{
return(3); //超过文件上传大小
}
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
string fullPath = savePath + newfileName + sEx;
postedFile.SaveAs(fullPath);
var bmp = new Bitmap(fullPath);
int realWidth = bmp.Width;
int realHeight = bmp.Height;
bmp.Dispose();
#region 检测图片宽度限制
if (MinWidth > 0)
{
if (realWidth < MinWidth)
{
return(-1);
}
}
#endregion
#region 监测图片宽度是否超过600，超过的话，自动压缩到600
if (_limitWidth && realWidth > MaxWidth)
{
int mWidth = MaxWidth;
int mHeight = mWidth * realHeight / realWidth;
string tempFile = savePath + Guid.NewGuid() + sEx;
File.Move(fullPath, tempFile);
CreateSmallPhoto(tempFile, mWidth, mHeight, fullPath, "", "");
File.Delete(tempFile);
}
#endregion
#region 压缩图片存储尺寸
if (sEx != null)
{
if (sEx.ToLower() != ".gif")
{
CompressPhoto(fullPath, 100);
}
#endregion
finame = newfileName + sEx;
}
fisize = postFileSize;
//生成缩略图片高宽
if (string.IsNullOrEmpty(ImgWidth))
{
return(1);
}
string[] oWidthArray = ImgWidth.Split(',');
string[] oHeightArray = ImgHeight.Split(',');
if (oWidthArray.Length != oHeightArray.Length)
{
return(0); //系统配置错误
}
for (int i = 0; i < oWidthArray.Length; i++)
{
if (Convert.ToInt32(oWidthArray[i]) <= 0 || Convert.ToInt32(oHeightArray[i]) <= 0)
{
continue;
}
string sImg = savePath + newfileName + "_" + i + sEx;
if (CutImage)
{
CreateSmallPhoto(fullPath, Convert.ToInt32(oWidthArray[i]), Convert.ToInt32(oHeightArray[i]),
sImg, "", "");
}
else
{
CreateSmallPhoto(fullPath, Convert.ToInt32(oWidthArray[i]), Convert.ToInt32(oHeightArray[i]),
sImg, "", "", CutMode.CutNo);
}
}
#region 给大图添加水印
if (!string.IsNullOrEmpty(PicWater))
{
AttachPng(PicWater, fullPath);
}
else if (!string.IsNullOrEmpty(WordWater))
{
AttachText(WordWater, fullPath);
}
#endregion
return(1);
}
catch
{
return(-1);
}
}
protected void btnUpLoad_Click(object sender, EventArgs e)
{
if (!fp.HasFile)
{
lb.Text = "请先选择文件";
return;
}
string fileurl = "";
if (IsSaveToOSS)
{
BFService.BFResult bfresult;
BFService.BigFileService bs = new BFService.BigFileService(CarEnum.BigServiceSysID);
if (ImgWidth == 0 || ImgHeight == 0)
{
bfresult = bs.UpLoadALL(HFID.Value, fp.FileName, fp.PostedFile.ContentType.ToString(), fp.FileBytes);
}
else
{
bfresult = bs.UpLoadALL(HFID.Value, fp.FileName, fp.PostedFile.ContentType.ToString(), fp.FileBytes, ImgWidth.ToString(), ImgHeight.ToString());
}
if (bfresult.code == 0)
{
//失败！
lb.ForeColor = Color.Red;
lb.Text = bfresult.message;
return;
}
else
{
fileurl = "http://big.tourzj.com/bfinfo/GetFile/" + bfresult.message;
HFID.Value = fileurl;
FileView.NavigateUrl = fileurl;
}
}
else
{
string date = DateTime.Now.ToString("yyMMdd");
string newPath = Server.MapPath(upLoadPath + date + "/");
if (!Directory.Exists(newPath))
{
System.IO.DirectoryInfo di = new System.IO.DirectoryInfo(newPath);
di.Create();
}
string fnOrg = date + "/" + Guid.NewGuid().ToString() + fp.FileName.Substring(fp.FileName.LastIndexOf("."));
fp.SaveAs(Server.MapPath(upLoadPath) + fnOrg);
HFID.Value = fnOrg;
fileurl = upLoadPath + fnOrg;
FileView.NavigateUrl = fileurl;
}
lb.Text = "上传成功";
lb.ForeColor = Color.Black;
if (ShowImage)
{
ImgShow.ImageUrl = FileView.NavigateUrl;
ImgShow.Visible = true;
}
else
{
ImgShow.Visible = false;
}
divView.Visible = true;
//获得文件名，并且传递给调用的窗口
if (OnAfterUpLoad != null)
{
OnAfterUpLoad(fileurl, fp.FileName);
}
}
