public void GenerateCode(FileProjectItem item, CustomToolContext context)
{
LanguageOption languageToGenerateCode = LanguageOption.GenerateCSharpCode;
if (item.Project.Language != "C#")
{
languageToGenerateCode = LanguageOption.GenerateVBCode;
}
XDocument edmxDocument = XDocument.Load(item.FileName);
XElement conceptualModelsElement = EDMXIO.ReadSection(edmxDocument, EDMXIO.EDMXSection.CSDL);
if (conceptualModelsElement == null)
{
throw new ArgumentException("Input file is not a valid EDMX file.");
}
XDocument csdlDocument = new XDocument(new XDeclaration("1.0", "utf-8", null), conceptualModelsElement.Element(XName.Get("Schema", csdlNamespace.NamespaceName)));
string tempFileName = IO.GetTempFilenameWithExtension("csdl");
csdlDocument.Save(tempFileName);
string outputFileName = context.GetOutputFileName(item, "Designer");
EntityCodeGenerator entityCodeGenerator = new EntityCodeGenerator(languageToGenerateCode);
IList <EdmSchemaError> edmSchemaErrors = entityCodeGenerator.GenerateCode(tempFileName, outputFileName);
File.Delete(tempFileName);
context.EnsureOutputFileIsInProject(item, outputFileName);
}
public void GenerateCode(FileProjectItem item, CustomToolContext context)
{
XElement schema = GetModelSchema(item);
XDocument csdlDocument = CreateCsdlDocument(schema);
string tempFileName = IO.GetTempFilenameWithExtension("csdl");
csdlDocument.Save(tempFileName);
LanguageOption languageToGenerateCode = GetLanguageOption(item);
string outputFileName = context.GetOutputFileName(item, "Designer");
EntityCodeGenerator entityCodeGenerator = new EntityCodeGenerator(languageToGenerateCode);
AddNamespaceMapping(entityCodeGenerator, schema, context.OutputNamespace);
IList <EdmSchemaError> edmSchemaErrors = entityCodeGenerator.GenerateCode(tempFileName, outputFileName);
File.Delete(tempFileName);
context.EnsureOutputFileIsInProject(item, outputFileName);
}
private void GenerateCode()
{
CSDLTemplate csdl = new CSDLTemplate(_model);
XDocument document = XDocument.Parse(csdl.FileContent);
XElement c = EdmGen2.GetCsdlFromEdmx(document, EntityFrameworkVersions.Version2);
// generate code
StringWriter sw = new StringWriter();
EntityCodeGenerator codeGen = new EntityCodeGenerator(LanguageOption.GenerateCSharpCode);
IList <EdmSchemaError> errors = codeGen.GenerateCode(c.CreateReader(), sw);
if (errors.Count != 0)
{
//throw new Exception("The Entity Framework generation failed. Please email [email protected].");
StringBuilder sb = new StringBuilder();
foreach (EdmSchemaError error in errors)
{
sb.AppendFormat("error.Column:{0} error.ErrorCode:{1} error.Line:{2} error.Message:{3} error.SchemaLocation:{4} error.SchemaName:{5} error.Severity:{6} error.StackTrace: {7}", error.Column, error.ErrorCode, error.Line, error.Message, error.SchemaLocation, error.SchemaName, error.Severity, error.StackTrace).AppendLine();
}
System.Diagnostics.Debug.WriteLine(sb.ToString());
}
}
private static void CodeGen(FileInfo edmxFile, LanguageOption languageOption)
{
XDocument xdoc = XDocument.Load(edmxFile.FullName);
XElement c = GetCsdlFromEdmx(xdoc);
Version v = _namespaceManager.GetVersionFromEDMXDocument(xdoc);
StringWriter sw = new StringWriter();
IList <EdmSchemaError> errors = null;
//
// code-gen uses different classes for V1 and V2 of the EF
//
if (v == EntityFrameworkVersions.Version1)
{
// generate code
EntityClassGenerator codeGen = new EntityClassGenerator(languageOption);
errors = codeGen.GenerateCode(c.CreateReader(), sw);
}
else if (v == EntityFrameworkVersions.Version2)
{
EntityCodeGenerator codeGen = new EntityCodeGenerator(languageOption);
errors = codeGen.GenerateCode(c.CreateReader(), sw);
}
else if (v == EntityFrameworkVersions.Version3)
{
EntityCodeGenerator codeGen = new EntityCodeGenerator(languageOption);
errors = codeGen.GenerateCode(c.CreateReader(), sw, EntityFrameworkVersions.Version3);
}
// write out code-file
string outputFileName = GetFileNameWithNewExtension(edmxFile,
GetFileExtensionForLanguageOption(languageOption));
File.WriteAllText(outputFileName, sw.ToString());
// output errors
WriteErrors(errors);
}
public void cc()
{
String connectionString = "Data Source=.;Initial Catalog=MyDB;User Id=sa;Password=sa;";
String dataBaseType = "SQLServer";
Draco.DB.QuickDataBase.Configuration.ConnectionInfo connInfo = new ConnectionInfo(connectionString, dataBaseType);
Draco.DB.QuickDataBase.IDataBaseContext ctx = new Draco.DB.QuickDataBase.DataBaseContext(connInfo);
Draco.DB.QuickDataBase.IDataBaseHandler handler = ctx.Handler;
//开始数据库操作
//......
//以IDataBaseHandler对象获取Draco.DB.QuickDataBase.IDataBaseContext对象
Draco.DB.QuickDataBase.Adapter.IDataBaseAdapter adp = handler.DbAdapter;
//创建单一参数对象
System.Data.IDataParameter para = adp.CreateParameter("@Para", "abc");
//快速创建参数化对象数组
Draco.DB.QuickDataBase.IDataParameters parameters = new Draco.DB.QuickDataBase.Common.DataParameters(adp);
parameters.AddParameterValue("FiledNameX", 1);
parameters.AddParameterValue("FiledNameY", "abc");
parameters.AddParameterValue("FiledNameZ", DateTime.Now);
System.Data.IDataParameter[] _Parameters = parameters.Parameters;
String SQL = "select * from tab where field1=? and (field2=? or field3>?)";
Draco.DB.QuickDataBase.ParameterizedSQL param = handler.DbAdapter.AdaptSQLAnonymousParams(SQL, 100, "ABC", DateTime.Now);
DataSet ds = handler.ExecuteQuery(param.SQL, param.Parameters);
Draco.DB.QuickDataBase.ISQLGenerator SQLGen = adp.GetSQLGenerator();
Draco.DB.QuickDataBase.IDataBaseSchemaHandler schemaHandler = adp.GetSchemaHandler(handler);
String timeSQL = adp.NamedSQLs["Test.TimeSQL"];
Object obj = handler.ExecuteScalar(timeSQL);
//
ctx.Handler.StartTransaction();
ctx.Handler.CommitTransaction();
handler.StartTransaction();
handler.CommitTransaction();
using (Draco.DB.QuickDataBase.Common.DbTransactionScope scope = new DbTransactionScope(handler))
{
try
{
//....
scope.Complete();//
}
catch { }
}
Draco.DB.ORM.IORMContext octx = new ORMContext(connInfo);
Draco.DB.ORM.Schema.Vendor.ISchemaLoader Loader = octx.SchemaLoader; //获取加载器
Draco.DB.ORM.Schema.Dbml.Database dataBase = Loader.Load("Name", "Draco.DataTblCtrlLayer", null); //加载数据库构架
Draco.DB.ORM.Generator.EntityCodeGenerator Generator = new EntityCodeGenerator(dataBase); //创建代码生成器
string Code = Generator.GenerateCode("MyEntity", "GUID", true); //创建C#代码
System.IO.File.WriteAllText("D:\\MyEntity.cs", Code, System.Text.Encoding.UTF8); //输出C#代码到文件
}