/// <summary>
/// 设置文件扩展属性
/// </summary>
/// <param name="fileName"></param>
/// <param name="dicKeyValue"></param>
/// <returns></returns>
public static bool SetCustomPropertyByCommonFile(string filePath, Dictionary <string, object> dicKeyValue)
{
if (string.IsNullOrEmpty(filePath) || dicKeyValue == null || dicKeyValue.Count == 0)
{
return(false);
}
try
{
DSOFile.OleDocumentPropertiesClass sd = new OleDocumentPropertiesClass();
sd.Open(filePath, false, dsoFileOpenOptions.dsoOptionDefault);
foreach (string key in dicKeyValue.Keys)
{
object value = dicKeyValue[key];
if (value == null)
{
value = "";
}
if (IsExistsCustomProperty(sd.CustomProperties, key) == false)
{
sd.CustomProperties.Add(key, ref value);
}
else
{
sd.CustomProperties[key].set_Value(ref value);
}
}
sd.Save();
sd.Close(true);
}
catch (Exception ex)
{
string msg = GetExceptionMessage(ex);
string WriteFilePropertyLogDir = AppDomain.CurrentDomain.BaseDirectory + ConfigurationSettings.AppSettings["WriteFilePropertyLogDir"];
StreamWriter write = new StreamWriter(WriteFilePropertyLogDir + "/WriteFilePropertyErrorLog.txt", true, Encoding.Default);
write.WriteLine(DateTime.Now.ToString() + ",调用SetCustomPropertyByCommonFile方法执行异常，写扩展属性的文件：" + filePath + "，异常信息：" + msg);
write.Close();
write.Dispose();
throw ex;
}
return(true);
}
private static void ChangeFileCustomProperties()
{
var doc = new OleDocumentPropertiesClass();
try
{
doc.Open(@"C:\test danny.txt");
//doc.SummaryProperties.Company = "ComboxTest";
doc.CustomProperties.Add("ComboxManager", Guid.NewGuid().ToString());
}
catch (Exception ex)
{
CLLogger.LogError(ex);
Console.WriteLine(ex.Message);
ex = null;
}
//after making changes, you need to use this line to save them
doc.Save();
}
/// <summary>
/// 上传
/// </summary>
/// <param name="context"></param>
private void UpLoad(HttpContext context)
{
string path = context.Server.MapPath(context.Request["value1"]);
HttpFileCollection files = context.Request.Files;
long allSize = 0;
for (int i = 0; i < files.Count; i++)
{
allSize += files[i].ContentLength;
}
if (allSize > 20 * 1024 * 1024)
{
context.Response.Write("文件大小超过限制");
}
for (int i = 0; i < files.Count; i++)
{
files[i].SaveAs(path + Path.GetFileName(files[i].FileName));
//设置文件上传者到作者字段
string userid = context.Request["user"];//获取操作员
////creates new class of oledocumentproperties
var doc = new OleDocumentPropertiesClass();
//open yout selected file
string pathToFile = path + Path.GetFileName(files[i].FileName);
doc.Open(pathToFile, false, dsoFileOpenOptions.dsoOptionDefault);
//you can set properties with summaryproperties.nameOfProperty = value; for example
doc.SummaryProperties.Author = userid;
// after making changes, you need to use this line to save them
doc.Save();
doc.Close();
}
context.Response.Write("OK");
}