protected void Button1_Click(object sender, EventArgs e)
{
System.Drawing.Image img = System.Drawing.Image.FromStream(FileUpload1.PostedFile.InputStream);//用上传控件加载图片
//System.Drawing.Image img = System.Drawing.Image.FromFile(Server.MapPath("~/bb.jpg"));//用加字件加载图片
string fileName = Server.MapPath("/aa.jpg");
string waterName = Server.MapPath("/lib/images/water.jpg");
//图片水印
// ImageWaterMark.AddImageSignPic(img, fileName, waterName, 9, 80, 6);
//文字水印
ImageWaterMark.AddImageSignText(img, fileName, "yunstudio", 9, 100, "微软雅黑", 50);
Image1.ImageUrl = fileName;
}
///<summary>
/// 文件上传方法
/// </summary>
public string fileSaveAs(HttpPostedFile _postedFile, int _isWater)
{
try
{
string _fileExt = _postedFile.FileName.Substring(_postedFile.FileName.LastIndexOf(".") + 1);
//验证合法的文件
if (!CheckFileExt(this.fileType, _fileExt))
{
return("{\"msg\": 1, \"msbox\": \"不允许上传" + _fileExt + "类型的文件！\"}");
}
if (this.fileSize > 0 && _postedFile.ContentLength > fileSize * 1024)
{
return("{\"msg\": 1, \"msbox\": \"文件超过限制的大小啦！\"}");
}
string _fileName = DateTime.Now.ToString("yyyyMMddHHmmssff") + "." + _fileExt; //随机文件名
//检查保存的路径 是否有/开头结尾
if (this.filePath.StartsWith("/") == false)
{
this.filePath = "/" + this.filePath;
}
if (this.filePath.EndsWith("/") == false)
{
this.filePath = this.filePath + "/";
}
//按日期归类保存
string _datePath = DateTime.Now.ToString("yyyyMMdd") + "/";
this.filePath += _datePath;
//获得要保存的文件路径
string serverFileName = this.filePath + _fileName;
//物理完整路径
string toFileFullPath = HttpContext.Current.Server.MapPath(this.filePath);
//检查是否有该路径没有就创建
if (!Directory.Exists(toFileFullPath))
{
Directory.CreateDirectory(toFileFullPath);
}
//将要保存的完整文件名
string toFile = toFileFullPath + _fileName;
//保存文件
_postedFile.SaveAs(toFile);
//是否打图片水印
if (isWatermark > 0 && _isWater == 1 && CheckFileExt("BMP|JPEG|JPG|GIF|PNG|TIFF", _fileExt))
{
switch (isWatermark)
{
case 1:
ImageWaterMark.AddImageSignText(serverFileName, this.filePath + _fileName, this.textWater, waterStatus, waterQuality, textWaterFont, textFontSize);
break;
case 2:
ImageWaterMark.AddImageSignPic(serverFileName, this.filePath + _fileName, this.imgWaterPath, waterStatus, waterQuality, waterTransparency);
break;
}
}
return("{\"msg\": 1, \"msbox\": \"" + serverFileName + "\"}");
}
catch
{
return("{\"msg\": 1, \"msbox\": \"上传过程中发生意外错误！\"}");
}
}