/// <summary>
/// 创建XML的根节点
/// </summary>
private void CreateXMLElement()
{
//创建一个XML对象
_xml = new XmlDocument();
if (DirFile.IsExistFile(_filePath))
{
//加载XML文件
_xml.Load(this._filePath);
}
//为XML的根节点赋值
_element = _xml.DocumentElement;
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="errorStr">错误信息</param>
/// <param name="file">流文件</param>
/// <param name="FileType">允许的文件类型</param>
/// <param name="FileMaxSize">允许的最大值</param>
/// <param name="strSaveFileWebPath">文件保存Web相对路劲</param>
/// <param name="strSaveFileName">文件保存名称</param>
/// <returns></returns>
public static string UploadFile(ref string errorStr, HttpPostedFileBase file, string FileType, long FileMaxSize, string strSaveFileWebPath, string strSaveFileName = "")
{
if (file == null || file.ContentLength == 0)
{
return("");
}
//验证文件格式
if (!CheckFileType(file, FileType))
{
errorStr = "文件格式不正确！";
return("");
}
//验证文件大小
if (!CheckFileSize(file, FileMaxSize))
{
errorStr = "上传文件大小不能超过" + FileMaxSize + "KB！";
return("");
}
//后缀
string extName = Path.GetExtension(file.FileName);
//文件名称
if (strSaveFileName == "")
{
strSaveFileName = GetNewFileName() + "$$" + file.FileName;
}
//文件保存物理绝对路劲
string dirAbsolutePath = DirFile.GetServerPath(strSaveFileWebPath);
try
{
//正式上传
Upload(file, dirAbsolutePath, strSaveFileName);
return(strSaveFileWebPath + strSaveFileName);
}
catch (Exception ex)
{
return("");
}
}
/// <summary>
/// 保存文件到指定路径
/// </summary>
/// <param name="Path">文件物理路径</param>
/// <param name="Text">写入内容</param>
/// <param name="Coding">文件编码</param>
public void SaveFile(string Path, string Text, string Coding)
{
if (File.Exists(Path))
{
DirFile.DeleteFile(Path);
}
try
{
sw = new StreamWriter(Path, false, Encoding.GetEncoding(Coding));
sw.WriteLine(Text);
sw.Flush();
sw.Close();
}
catch (Exception e)
{
throw new Exception(e.Message, e);
}
}
/// <summary>
/// 保存文件
/// </summary>
/// <param name="filebyte">文件流</param>
/// <param name="TypePath">文件目录</param>
/// <param name="FileName">文件名称</param>
/// <returns></returns>
public static string Upload(HttpPostedFileBase filebyte, string FilePath, string FileName)
{
if (filebyte.ContentLength == 0)
{
return("");
}
//判断是否是正常文件
string FileExt = Path.GetExtension(filebyte.FileName);
if (FileExt.IndexOf(".") < 0)
{
return("");
}
DirFile.CreateDir(FilePath);
//保存图片到服务器
filebyte.SaveAs(FilePath + FileName);//这种方式没有问题
//HttpPostedFileWrapper hw = (HttpPostedFileWrapper)filebyte;
//hw.InputStream.Read()
//获取字节流
//int fileLength = (int)filebyte.ContentLength;
//byte[] Img_j = new byte[fileLength];
//filebyte.InputStream.Read(Img_j, 0, fileLength);
//filebyte.InputStream.Close();
//Stream stream = filebyte.InputStream;
//stream.Read(Img_j, 0, fileLength);
//stream.Position = 0;
//StreamReader reader = new StreamReader(filebyte.InputStream);
//BinaryReader r = new BinaryReader(filebyte.InputStream);
//r.Read(Img_j, 0, fileLength);
//r.Close();
//保存图片到服务器
//FileManage.WriteStream(Img_j, FileName, FilePath);
return(FilePath + FileName);
}
public void GetVersion()
{
string baseDirectory = DirFile.GetServerPath("/Xml/AppVersion.xml");
AppVersionModels models = (AppVersionModels)ConvertHelper.XmlDeserialize(typeof(AppVersionModels), baseDirectory);
List <AppVersionModel> list = new List <AppVersionModel>(models.Items);
}
/// <summary>
/// 上传图片
/// </summary>
/// <param name="upImg">文件流</param>
/// <param name="maxSize">限制图片最大值kb</param>
/// <param name="maxWidth">像素最大宽度</param>
/// <param name="maxHeight">像素最大高度</param>
/// <param name="isThumbnail">是否生成缩略图(1：生成等比缩放的；2：不生成；3:生成非等比缩放的)</param>
/// <param name="targetWidth">缩略后的宽度</param>
/// <param name="targetHeight">缩略后的高度</param>
/// <returns></returns>
public static string UploadImg(ref string errorStr, HttpPostedFileBase upImg, int maxSize = 1000000, int maxWidth = 100000, int maxHeight = 100000, int isThumbnail = 2, double targetWidth = 50, double targetHeight = 50)
{
if (upImg == null || upImg.ContentLength == 0)
{
return("");
}
//验证文件格式
string allowedImage = "gif,img,imge";
if (!CheckFileType(upImg, allowedImage))
{
errorStr = "图片格式不正确！";
return("");
}
//验证文件大小
int ImageMaxSize = 2048;
if (!CheckFileSize(upImg, ImageMaxSize))
{
errorStr = "上传图片大小不能超过" + ImageMaxSize + "KB！";
return("");
}
//验证图片宽高
if (!CheckImgWidthAndHeight(upImg, maxWidth, maxHeight))
{
errorStr = "图片格式有误，请上传[" + maxWidth + "*" + maxHeight + "]以内的图片！";
return("");
}
//后缀
string extName = Path.GetExtension(upImg.FileName);
//文件名称
string fileName = GetNewFileName() + extName;
//文件保存Web相对路劲
string dirWebPath = "/upload/";
//文件保存物理绝对路劲
string dirAbsolutePath = DirFile.GetServerPath(dirWebPath);
try
{
//正式上传
Upload(upImg, dirAbsolutePath, fileName);
//缩略图保存路径
string ThumbnailAbsolutePath = dirAbsolutePath + "Thumbnail/";
if (isThumbnail == 1)
{
//生成缩略图片
PTImage.ImageZoomAuto(dirAbsolutePath + fileName, ThumbnailAbsolutePath, fileName, targetWidth, targetHeight);
}
else if (isThumbnail == 3)
{
PTImage.Compress(dirAbsolutePath + fileName, ThumbnailAbsolutePath, (int)targetWidth, (int)targetHeight);
}
return(dirWebPath + fileName);
}
catch (Exception ex)
{
return("");
}
}
