第一版,从以前版本改写

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falcon 2020-12-11 16:45:18 +08:00
commit 9044a859ef
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.30804.86
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Falcon.StoredProcedureRunner", "Falcon.StoredProcedureRunner\Falcon.StoredProcedureRunner.csproj", "{13D3139B-60C2-4785-ADCB-4F839BDEC3C4}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{13D3139B-60C2-4785-ADCB-4F839BDEC3C4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{13D3139B-60C2-4785-ADCB-4F839BDEC3C4}.Debug|Any CPU.Build.0 = Debug|Any CPU
{13D3139B-60C2-4785-ADCB-4F839BDEC3C4}.Release|Any CPU.ActiveCfg = Release|Any CPU
{13D3139B-60C2-4785-ADCB-4F839BDEC3C4}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {7ECD6C47-0547-4FB7-A481-829D28302EFD}
EndGlobalSection
EndGlobal

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<AssemblyVersion>1.0.4.0</AssemblyVersion>
<FileVersion>1.0.4.0</FileVersion>
<Version>1.0.4</Version>
<DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>
<PackageProjectUrl>http://106.14.65.137/Falcon/Falcon.ModelSP</PackageProjectUrl>
<RepositoryUrl>http://106.14.65.137/Falcon/Falcon.ModelSP</RepositoryUrl>
<Description>EF Core 存储过程执行组件,可以模型化执行存储过程</Description>
<Authors>Falcon</Authors>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Data.SqlClient" Version="2.1.0" />
</ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.10" />
</ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.1" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.1" />
</ItemGroup>
</Project>

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using System;
namespace Falcon.StoredProcedureRunner
{
/// <summary>
/// 表示调用时候忽略此属性
/// </summary>
[AttributeUsage(AttributeTargets.Property)]
public class FalconSPIgnoreAttribute:Attribute
{
}
}

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using System;
namespace Falcon.StoredProcedureRunner
{
/// <summary>
/// 定义名称
/// </summary>
public class FalconSPPrarmNameAttribute:Attribute
{
/// <summary>
/// 参数名
/// </summary>
public string Name { get; set; }
/// <summary>
/// 定于存储过程参数名称
/// </summary>
/// <param name="name">参数名称</param>
public FalconSPPrarmNameAttribute(string name) { this.Name = name; }
}
}

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using System;
namespace Falcon.StoredProcedureRunner
{
/// <summary>
/// 定义存储过程名称
/// </summary>
[AttributeUsage(AttributeTargets.Class)]
public class FalconSPProcuderNameAttribute:Attribute
{
/// <summary>
/// 存储过程名称
/// </summary>
public string ProcuderName { get; set; }
/// <summary>
/// 定义存储过程名称
/// </summary>
/// <param name="m"></param>
public FalconSPProcuderNameAttribute(string m) => this.ProcuderName = m;
}
}

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using System;
namespace Falcon.StoredProcedureRunner
{
/// <summary>
/// 定义存储过程返回值类型
/// </summary>
[AttributeUsage(AttributeTargets.Class,AllowMultiple = false,Inherited = false)]
public class FalconSPReturnTypeAttribute:Attribute
{
/// <summary>
/// 返回的数据类型
/// </summary>
public Type ReturnType { get; set; }
/// <summary>
/// 定义存储过程名称
/// </summary>
/// <param name="t">存储过程返回值类型</param>
public FalconSPReturnTypeAttribute(Type t) => this.ReturnType = t;
}
}

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using System;
using System.Collections.Generic;
using Microsoft.EntityFrameworkCore;
namespace Falcon.StoredProcedureRunner
{
/// <summary>
/// 执行数据库存储过程
/// </summary>
public interface IRunner
{
/// <summary>
/// 通过数据库上下文执行无返回值的存储过程
/// </summary>
/// <typeparam name="TPrarmType">参数类型</typeparam>
/// <param name="db">数据上下文</param>
/// <param name="data">参数数据</param>
int Execute<TPrarmType>(DbContext db,TPrarmType data);
/// <summary>
/// 根据模型定义参数执行存储过程进行查询参数类型必须定义ReturnTypeAttribute特性
/// </summary>
/// <typeparam name="TPrarmType">存储过程参数类型</typeparam>
/// <param name="db">数据上下文</param>
/// <param name="data">存储过程参数</param>
/// <returns>返回类型枚举FalconSPReturnTypeAttribute定义的类型枚举。</returns>
IEnumerable<object> Run<TPrarmType>(DbContext db,TPrarmType data);
/// <summary>
/// 通过数据库上下文执行存储过程,并返回查询结果
/// </summary>
/// <typeparam name="TPrarmType">参数类型</typeparam>
/// <typeparam name="TReturnType">返回结果项类型</typeparam>
/// <param name="db">数据上下文</param>
/// <param name="data">参数数据</param>
/// <returns>查询结果枚举</returns>
IEnumerable<TReturnType> Run<TPrarmType, TReturnType>(DbContext db,TPrarmType data) where TReturnType : class, new();
/// <summary>
/// 通过数据库上下文执行存储过程,并返回查询结果
/// </summary>
/// <param name="db">数据上下文</param>
/// <param name="prarmType">参数类型</param>
/// <param name="returnType">返回结果项类型</param>
/// <param name="data">执行参数</param>
/// <returns>查询结果枚举</returns>
IEnumerable<object> Run(DbContext db,Type prarmType,Type returnType ,object data) ;
}
}

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using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using Microsoft.Data.SqlClient;
using Microsoft.EntityFrameworkCore;
namespace Falcon.StoredProcedureRunner
{
/// <summary>
/// 存储过程执行
/// </summary>
public partial class Runner:IRunner
{
/// <summary>
/// 执行无返回值的存储过程
/// </summary>
/// <typeparam name="TPrarmType">参数类型</typeparam>
/// <param name="db">数据上下文</param>
/// <param name="data">参数数据</param>
public int Execute<TPrarmType>(DbContext db,TPrarmType data) {
var parms = getParams(data).ToArray();
var pName = getProcuderName<TPrarmType>();
#if NETSTANDARD2_1
return db.Database.ExecuteSqlRaw(pName,parms);
#else
return db.Database.ExecuteSqlCommand(pName,parms);
#endif
;
}
/// <summary>
/// 根据模型定义参数执行存储过程进行查询参数类型必须定义ReturnTypeAttribute特性
/// </summary>
/// <typeparam name="TPrarmType">存储过程参数类型</typeparam>
/// <param name="db">数据上下文</param>
/// <param name="data">存储过程参数</param>
/// <returns>返回类型枚举FalconSPReturnTypeAttribute定义的类型枚举。</returns>
public IEnumerable<object> Run<TPrarmType>(DbContext db,TPrarmType data) {
var rType = getRequtnType(typeof(TPrarmType));
if(rType == null) {
throw new Exception("必须在参数类型上设置ReturnTypeAttribute");
}
return Run(db,typeof(TPrarmType),rType,data);
}
/// <summary>
/// 通过数据库上下文执行存储过程,并返回查询结果
/// </summary>
/// <typeparam name="TPrarmType">参数类型</typeparam>
/// <typeparam name="TReturnType">返回结果项类型</typeparam>
/// <param name="db">数据上下文</param>
/// <param name="data">参数数据</param>
/// <returns>查询结果枚举</returns>
public IEnumerable<TReturnType> Run<TPrarmType, TReturnType>(DbContext db,TPrarmType data) where TReturnType : class, new() {
return Run(db,typeof(TPrarmType),typeof(TReturnType),data).Cast<TReturnType>();
}
/// <summary>
/// 通过数据库上下文执行存储过程,并返回查询结果
/// </summary>
/// <param name="db">数据库上下文</param>
/// <param name="prarmType">参数类型</param>
/// <param name="returnType">返回值类型</param>
/// <param name="data">存储过程参数</param>
/// <returns>查询结果枚举</returns>
public IEnumerable<object> Run(DbContext db,Type prarmType,Type returnType,object data) {
var pm = getProcuderName(prarmType);
var paras = getParams(data).ToArray();
var connection = db.Database.GetDbConnection();
using(var cmd = connection.CreateCommand()) {
cmd.CommandText = pm;
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddRange(paras);
connection.Open();
var dr = cmd.ExecuteReader();
var result = new List<object>();
if(!dr.CanGetColumnSchema())
return result;
while(dr.Read()) {
var item = returnType.Assembly.CreateInstance(returnType.FullName);
var columnSchema = dr.GetColumnSchema();
for(var i = 0;i < columnSchema.Count;i++) {
var name = dr.GetName(i);
var value = dr.IsDBNull(i) ? null : dr.GetValue(i);
var pi = getProperty(returnType,name);
if(pi == null || !pi.CanWrite)
continue;
pi.SetValue(item,value);
}
result.Add(item);
}
connection.Close();
return result;
}
}
}
public partial class Runner
{
/// <summary>
/// 获取存储过程名
/// </summary>
/// <param name="pramType">参数类型</param>
private static string getProcuderName(Type pramType) {
var attr = pramType.GetCustomAttribute<FalconSPProcuderNameAttribute>();
if(attr != null && attr is FalconSPProcuderNameAttribute pna && !string.IsNullOrEmpty(pna.ProcuderName)) {
return pna.ProcuderName;
}
return pramType.Name;
}
/// <summary>
/// 获取存储过程名返回值类型
/// </summary>
/// <param name="pramType">返回值类型</param>
private static Type getRequtnType(Type pramType) {
var attr = pramType.GetCustomAttribute<FalconSPReturnTypeAttribute>();
if(attr != null && attr is FalconSPReturnTypeAttribute pna && pna.ReturnType != null) {
return pna.ReturnType;
}
return null;
}
/// <summary>
/// 获取存储过程参数枚举
/// </summary>
/// <typeparam name="T">参数模型类型</typeparam>
/// <param name="data">参数实例</param>
private static IEnumerable<SqlParameter> getParams<T>(T data) {
if(data == null)
yield break;
foreach(var p in typeof(T).GetProperties()) {
if(!p.CanRead || ignoreProp(p))
continue;
yield return new SqlParameter($"@{getPrarmName(p)}",p.GetValue(data));
}
}
/// <summary>
/// 是否忽略属性
/// </summary>
/// <param name="p">要检查的属性</param>
private static bool ignoreProp(PropertyInfo p) {
return p.GetCustomAttribute<FalconSPIgnoreAttribute>(true) != null;
}
/// <summary>
/// 获取存储过程参数名称
/// </summary>
/// <param name="p">对应的属性</param>
private static string getPrarmName(PropertyInfo p) {
var np = p.GetCustomAttribute<FalconSPPrarmNameAttribute>(true);
if(np != null && np is FalconSPPrarmNameAttribute na) {
return na.Name;
}
return p.Name;
}
/// <summary>
/// 获取存储过程名
/// </summary>
/// <typeparam name="T">参数模型</typeparam>
private static string getProcuderName<T>() {
var attr = typeof(T).GetCustomAttribute<FalconSPProcuderNameAttribute>(true);
if(attr != null && attr is FalconSPProcuderNameAttribute pna && !string.IsNullOrEmpty(pna.ProcuderName)) {
return pna.ProcuderName;
}
return typeof(T).Name;
}
/// <summary>
/// 忽略大小写获取类型的属性
/// </summary>
/// <param name="t">类型</param>
/// <param name="name">属性名称</param>
/// <returns>属性</returns>
private static PropertyInfo getProperty(Type t,string name) {
foreach(var item in t.GetProperties()) {
if(item.Name.ToLower() == name.ToLower()) {
return item;
}
}
return null;
}
}
}