MVC使用T4模板生成其他類的具體實現學習筆記2

在前篇中我們已經將User類中的代碼做了具體的實現，但仍然有多個實體類未實現，以後可能還會增加新的數據表，數據表結構也有可能發生變化，所以我們使用T4模板來完成類的生成，這樣就算數據庫表發生了改變，也會自動根據改變後的實體對類進行重新生成。

下面是數據訪問層的T4模板文件 Dal.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#>
 
<#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

//EF實體文件在項目中的路徑
string inputFile = @"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>
<#//這裡為命名空間部分，手動更改為相應的命名空間 #>
using PMS.IDAL;
using PMS.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PMS.DAL
{
<#
// Emit Entity Types

foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
  //fileManager.StartNewFile(entity.Name + "RepositoryExt.cs");
  //BeginNamespace(namespaceName, code);  
#>    
  public partial class <#=entity.Name#>Dal :BaseDal<<#=entity.Name#>>,I<#=entity.Name#>Dal
  {

  }
<#}#>
  
}

我們將EF實體文件路徑、命名空間更改為對應的值時，Ctrl+S保存，即可生成對應的其他類型的數據訪問類

其他層中也大同小異，只需要做對應的更改即可，下面我將提供相應的代碼

IDAL層

IDal.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#> 
<#
CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile = @"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using PMS.Model;

namespace PMS.IDAL
{
  
<#
// Emit Entity Types

foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
  //fileManager.StartNewFile(entity.Name + "RepositoryExt.cs");
  //BeginNamespace(namespaceName, code);  
#>  
  public partial interface I<#=entity.Name#>Dal :IBaseDal<<#=entity.Name#>>
  {
   
  }
<#}#>
  
}

IDbSession.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#>
 
<#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile = @"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>

using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


namespace PMS.IDAL
{
  public partial interface IDbSession
  {

<#
// Emit Entity Types

foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
  //fileManager.StartNewFile(entity.Name + "RepositoryExt.cs");
  //BeginNamespace(namespaceName, code);  
#>  
    I<#=entity.Name#>Dal <#=entity.Name#>Dal{get;set;}
<#}#>
  }  
}

DALFactory層

SimpleDalFactory.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#>
 
<#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile =@"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>

using SW.OA.IDAL;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace SW.OA.DALFactory
{
  public partial class AbstractFactory
  {
   
  
<#
foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{  
#>    
    public static I<#=entity.Name#>Dal Create<#=entity.Name#>Dal()
    {

     string fullClassName = NameSpace + ".<#=entity.Name#>Dal";
     return CreateInstance(fullClassName) as I<#=entity.Name#>Dal;

    }
<#}#>
  }
  
}

DbSession.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#>
 
<#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile = @"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>
using PMS.DAL;
using PMS.IDAL;
using PMS.Model;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PMS.DALFactory
{
  public partial class DBSession : IDBSession
  {
<#
// Emit Entity Types

foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
  //fileManager.StartNewFile(entity.Name + "RepositoryExt.cs");
  //BeginNamespace(namespaceName, code);  
#>  
    private I<#=entity.Name#>Dal _<#=entity.Name#>Dal;
    public I<#=entity.Name#>Dal <#=entity.Name#>Dal
    {
      get
      {
        if(_<#=entity.Name#>Dal == null)
        {
          _<#=entity.Name#>Dal = AbstractFactory.Create<#=entity.Name#>Dal();
        }
        return _<#=entity.Name#>Dal;
      }
      set { _<#=entity.Name#>Dal = value; }
    }
<#}#>
  }  
}

BLL層

Service.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#>
 
<#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile = @"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>
using PMS.IBLL;
using PMS.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PMS.BLL
{
<#
// Emit Entity Types

foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
  //fileManager.StartNewFile(entity.Name + "RepositoryExt.cs");
  //BeginNamespace(namespaceName, code);  
#>  
  public partial class <#=entity.Name#>Service :BaseService<<#=entity.Name#>>,I<#=entity.Name#>Service
  {
  

     public override void SetCurrentDal()
    {
      CurrentDal = this.CurrentDbSession.<#=entity.Name#>Dal;
    }
  }  
<#}#>
  
}

BLL層

IService.tt

<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#>
 
<#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile = @"..\\PMS.Model\\PMS.edmx";

EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

#>

using PMS.Model;
using PMS.Model.Search;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PMS.IBLL
{
<#
// Emit Entity Types

foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
  //fileManager.StartNewFile(entity.Name + "RepositoryExt.cs");
  //BeginNamespace(namespaceName, code);  
#>  
  public partial interface I<#=entity.Name#>Service : IBaseService<<#=entity.Name#>>
  {
    
  }  
<#}#>
  
}

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。