public static string UpdateStaticTextDataSource(DesignerStaticTextDataSource ds)
{
string path = Directory.GetCurrentDirectory() + @"\DataSources\StaticText\" + ds.Name + ".bds";
try
{
MemoryStream Stream = new MemoryStream();
XmlSerializer xml = new XmlSerializer(typeof(DesignerStaticTextDataSource));
//序列化对象
xml.Serialize(Stream, ds);
Stream.Position = 0;
StreamReader sr = new StreamReader(Stream);
string str = sr.ReadToEnd();
//存到文件
FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite);
StreamWriter sw = new StreamWriter(fs); // 创建写入流
sw.Write(str);
sw.Close();
sr.Dispose();
Stream.Dispose();
//注册该数据源
DataSourceManager.Register(ds.Name, ds.DataSourceType, ds);
return(path);
}
catch (Exception e)
{
throw new Exception("增加静态文本数据源时出错：" + e.Message);
}
}
private void AddButton_Click(object sender, RoutedEventArgs e)
{
DesignerDataSource ds = null;
TabItemEx tabItem = MainTab.SelectedItem as TabItemEx;
switch (tabItem.Header.ToString())
{
case "数据库":
ds = new DesignerDataBaseDataSource();
DataBaseDataSourceList.Add(ds as DesignerDataBaseDataSource);
break;
case "本地文件":
throw new NotImplementedException();
break;
case "网络资源":
throw new NotImplementedException();
break;
case "静态文本":
ds = new DesignerStaticTextDataSource();
StaticTextDataSourceList.Add(ds as DesignerStaticTextDataSource);
break;
default:
throw new NotImplementedException();
}
this.SelectedItem = ds;
}
public static IEnumerable <DesignerStaticTextDataSource> GetStaticTextDataSources()
{
List <DesignerStaticTextDataSource> dss = new List <DesignerStaticTextDataSource>();
string curDirPath = Directory.GetCurrentDirectory() + @"\DataSources\StaticText";
//若不存在文件夹则先创建
if (!Directory.Exists(curDirPath))
{
Directory.CreateDirectory(curDirPath);
}
DirectoryInfo di = new DirectoryInfo(curDirPath);
FileInfo[] fis = di.GetFiles();
try
{
foreach (FileInfo fi in fis)
{
string ext = fi.Extension.ToLower();
if (ext.IndexOf("bds") == -1 && ext.IndexOf("xml") == -1)
{
continue;
}
else
{
string xml = File.ReadAllText(fi.FullName);
using (StringReader sr = new StringReader(xml))
{
XmlSerializer xmldes = new XmlSerializer(typeof(DesignerStaticTextDataSource));
DesignerStaticTextDataSource ds = xmldes.Deserialize(sr) as DesignerStaticTextDataSource;
dss.Add(ds);
}
}
}
return(dss);
}
catch (Exception e)
{
throw new Exception("读取静态文本数据源时出错：" + e.Message);
}
}
/// <summary>
/// 执行静态文本数据源，返回字符串
/// </summary>
/// <param name="ds"></param>
/// <returns></returns>
private static string ExcuteStaticTextDataSource(DesignerStaticTextDataSource ds)
{
return(ds.Text);
}