public static ExporterSetting GetSetting()
{
if (s_ExporterSetting == null)
{
lock (s_SyncObj)
{
if (s_ExporterSetting == null)
{
string tmpPath = ConfigurationManager.AppSettings["FileExporterConfigPath"];
if (tmpPath == null || tmpPath.Trim().Length <= 0)
{
tmpPath = Config_File_Path;
}
else if (!tmpPath.Contains(':')) // 说明配得相对路径
{
tmpPath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, tmpPath);
}
ExporterSetting tmp = new ExporterSetting();
if (File.Exists(tmpPath))
{
XmlDocument x = new XmlDocument();
x.Load(tmpPath);
XmlNode node = x.SelectSingleNode("//fileExporter");
tmp.Default = GetNodeAttribute(node, "default");
tmp.Expiry = GetNodeAttribute(node, "expiry");
tmp.BaseFolder = GetNodeAttribute(node, "baseFolder");
tmp.VirtualPath = GetNodeAttribute(node, "virtualPath");
string max = GetNodeAttribute(node, "maxRowCountLimit");
int limit;
if (int.TryParse(max, out limit) && limit > 0)
{
tmp.MaxRowCountLimit = limit;
}
XmlNode[] list = GetChildrenNodes(node, "add");
tmp.FileExporterList = new Dictionary <string, string>(list.Length * 2);
foreach (XmlNode n in list)
{
tmp.FileExporterList.Add(GetNodeAttribute(n, "name"), GetNodeAttribute(n, "type"));
}
}
else
{
tmp.FileExporterList = new Dictionary <string, string>(0);
}
s_ExporterSetting = tmp;
}
}
}
return(s_ExporterSetting);
}
public static IFileExport CreateExporter(string exporterName)
{
ExporterSetting setting = FileExporterConfig.GetSetting();
if (setting != null && exporterName != null && exporterName.Trim().Length > 0)
{
if (setting.FileExporterList.ContainsKey(exporterName))
{
string typeName = setting.FileExporterList[exporterName];
if (typeName != null && typeName.Length > 0)
{
Type type = Type.GetType(typeName, true);
return((IFileExport)Activator.CreateInstance(type));
}
}
if (setting.Default != null && setting.Default.Length > 0 && setting.FileExporterList.ContainsKey(setting.Default))
{
CreateExporter(setting.Default);
}
}
return(new ExcelFileExporter());
}