v1.0.0

CC.Yi.IBLL/CC.Yi.IBLL.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Library</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CC.Yi.Model\CC.Yi.Model.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="T4IBLL.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>T4IBLL.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="T4IBLL.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>T4IBLL.tt</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+</Project>

CC.Yi.IBLL/IBaseBll.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+
+namespace CC.Yi.IBLL
+{
+    public interface IBaseBll<T> where T : class, new()
+    {
+        IQueryable<T> GetEntities(Expression<Func<T, bool>> whereLambda);
+
+        int GetCount(Expression<Func<T, bool>> whereLambda);//统计数量
+
+        #region
+        //分组
+        #endregion
+        IQueryable<IGrouping<S, T>> GetGroup<S>(Expression<Func<T, bool>> whereLambda, Expression<Func<T, S>> groupByLambda);
+
+        IQueryable<T> GetPageEntities<S>(int pageSize, int pageIndex, out int total, Expression<Func<T, bool>> whereLambda, Expression<Func<T, S>> orderByLambda, bool isAsc);
+
+        T Add(T entity);
+
+        bool Update(T entity);
+
+        bool Delete(T entity);
+        bool Delete(int id);
+        int DeleteList(List<int> ids);
+    }
+}

CC.Yi.IBLL/T4IBLL.cs

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+using CC.Yi.Model;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CC.Yi.IBLL
+{
+   public partial interface IstudentBll : IBaseBll<student>
+    {
+    }
+}

CC.Yi.IBLL/T4IBLL.tt

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+<#@ template debug="false" hostspecific="true" language="C#" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Text" #>
+<#@ import namespace="System.Collections.Generic" #>
+<#@ import namespace="System.IO" #>
+<#@ output extension=".cs" #>
+<#
+    string solutionsPath = Host.ResolveAssemblyReference("$(SolutionDir)");//获取解决方案路径
+            string txt;
+            StreamReader sr = new StreamReader(solutionsPath+@"\T4Model\T4Model.txt");
+            txt=sr.ReadToEnd();
+            sr.Close();
+            string[] ModelData= txt.Split(',');
+ #>
+using CC.Yi.Model;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CC.Yi.IBLL
+{
+<#    foreach(string k in ModelData){
+ #>
+   public partial interface I<#=k #>Bll : IBaseBll<<#=k #>>
+    {
+    }
+<#    } #>
+}