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README.md

README.md

简介

Join the chat at https://gitter.im/SmartSql-DotNet/Lobby

Nuget Packages

Package NuGet Stable Downloads
SmartSql SmartSql SmartSql
SmartSql.TypeHandler SmartSql.TypeHandler SmartSql.TypeHandler
SmartSql.DyRepository SmartSql.DyRepository SmartSql.DyRepository
SmartSql.DIExtension SmartSql.DIExtension SmartSql.DIExtension
SmartSql.Cache.Redis SmartSql.Cache.Redis SmartSql.Cache.Redis
SmartSql.ZooKeeperConfig SmartSql.ZooKeeperConfig SmartSql.ZooKeeperConfig

0. Why

  • 拥抱 跨平台 DotNet Core,是时候了。
  • 高性能、高生产力,超轻量级的ORM。107kb

1. So SmartSql

  • TargetFrameworks: .NETFramework 4.6 & .NETStandard 2.0
  • SmartSql = MyBatis + Cache(Memory | Redis) + ZooKeeper + R/W Splitting + ......

2. 主要特性

  • 1 ORM
    • 1.1 Sync
    • 1.2 Async
  • 2 XmlConfig & XmlStatement -> Sql
    • 2.1 SmartSqlMapConfig & SmartSqlMap (是的,你猜对了,和MyBatis一样,通过XML配置分离SQL。)
    • 2.2 Config Hot Update ->ConfigWatcher & Reload (配置文件热更新:当你需要修改Sql的时候,直接修改SqlMap配置文件,保存即可。)
  • 3 读写分离
    • 3.1 读写分离
    • 3.2 多读库 权重筛选 (配置多读库,根据读库权重选举读库)
  • 4 日志
    • 4.1 基于 Microsoft.Extensions.Logging.Abstractions (当你需要跟踪调试的时候一切都是那么一目了然)
  • 5 Dynamic Repository
    • 5.1 SmartSql.DyRepository (解放你的双手,你来定义仓储接口,我来实现数据库访问)
  • 6 查询缓存 (热数据缓存,一个配置轻松搞定)
    • 6.1 SmartSql.Cache.Memory
      • 6.1.1 Fifo
      • 6.1.2 Lru
    • 6.2 SmartSql.Cache.Redis
    • 6.3 缓存事务一致性
  • 7 分布式配置插件
    • 7.1 IConfigLoader (配置文件加载器)
    • 7.2 LocalFileConfigLoader (本地文件配置加载器)
      • 7.2.1 Load SmartSqlMapSource Xml
      • 7.3.1 Load SmartSqlMapSource Directory
    • 7.3 SmartSql.ZooKeeperConfig (ZooKeeper 分布式配置文件加载器)

3. 性能评测

BenchmarkDotNet=v0.10.14, OS=Windows 10.0.17134
Intel Core i7-6700K CPU 4.00GHz (Skylake), 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=2.1.201
  [Host]     : .NET Core 2.0.7 (CoreCLR 4.6.26328.01, CoreFX 4.6.26403.03), 64bit RyuJIT
  DefaultJob : .NET Core 2.0.7 (CoreCLR 4.6.26328.01, CoreFX 4.6.26403.03), 64bit RyuJIT

ORM Type Method Return Mean Error StdDev Rank Gen 0 Gen 1 Gen 2 Allocated
Native NativeBenchmarks Query_GetValue_DbNull IEnumerable`1 78.39 ms 0.8935 ms 0.7921 ms 1 3000.0000 1125.0000 500.0000 15.97 MB
SmartSql SmartSqlBenchmarks Query IEnumerable`1 78.46 ms 0.2402 ms 0.1875 ms 1 2312.5000 1000.0000 312.5000 12.92 MB
SmartSqlDapper SmartSqlDapperBenchmarks Query IEnumerable`1 78.65 ms 1.2094 ms 1.1312 ms 1 3687.5000 1437.5000 687.5000 19.03 MB
Native NativeBenchmarks Query_IsDBNull_GetValue IEnumerable`1 78.84 ms 0.8984 ms 0.7502 ms 1 2312.5000 1000.0000 312.5000 12.92 MB
Dapper DapperBenchmarks Query IEnumerable`1 79.00 ms 1.0949 ms 0.9706 ms 1 3312.5000 1312.5000 625.0000 17.19 MB
EF EFBenchmarks Query IEnumerable`1 79.44 ms 1.6880 ms 1.5789 ms 1 6250.0000 - - 26.05 MB
SqlSugar SqlSugarBenchmarks Query IEnumerable`1 81.09 ms 0.8718 ms 0.7728 ms 2 2187.5000 875.0000 250.0000 12.64 MB
Chloe ChloeBenchmarks Query IEnumerable`1 83.86 ms 1.2714 ms 1.1893 ms 3 2250.0000 937.5000 312.5000 12.62 MB
EF EFBenchmarks SqlQuery IEnumerable`1 89.11 ms 0.7562 ms 0.6314 ms 4 8187.5000 125.0000 - 33.68 MB
EF EFBenchmarks Query_NoTracking IEnumerable`1 93.13 ms 0.8458 ms 0.7912 ms 5 5875.0000 2250.0000 1062.5000 29.71 MB
EF EFBenchmarks SqlQuery_NoTracking IEnumerable`1 106.89 ms 1.0998 ms 1.0288 ms 6 7437.5000 2875.0000 1312.5000 37.34 MB

4. 安装 (NuGet)

Install-Package SmartSql

5. 常规代码

查询

            ISmartSqlMapper SqlMapper = MapperContainer.Instance.GetSqlMapper();
            SqlMapper.Query<T_Test>(new RequestContext
            {
                Scope = "T_Test",
                SqlId = "GetList",
                Request = new { Ids = new long[] { 1, 2, 3, 4 } }
            });

事务

            try
            {
                ISmartSqlMapper SqlMapper = MapperContainer.Instance.GetSqlMapper();
                SqlMapper.BeginTransaction();
                //BizCode
                SqlMapper.CommitTransaction();
            }
            catch (Exception ex)
            {
                SqlMapper.RollbackTransaction();
                throw ex;
            }

6. 最佳实践

6.1 安装 SmartSql.DIExtension

Install-Package SmartSql.DIExtension

6.2 注入依赖

 services.AddSmartSql();
 services.AddRepositoryFactory();
 services.AddRepositoryFromAssembly((options) =>
 {
    options.AssemblyString = "SmartSql.Starter.Repository";
 });

6.3 定义仓储接口

    /// <summary>
    /// 属性可选: [SqlMap(Scope = "User")] ,不设置 则默认 Scope 模板:I{Scope}Repository
    /// 可传入自定义模板
    /// RepositoryBuilder builder=new RepositoryBuilder("I{Scope}DAL");
    /// </summary>
    public interface IUserRepository
    {
        /// <summary>
        /// 属性可选 [Statement(Execute = ExecuteBehavior.Auto,Id = "Query")]
        /// 默认 Execute:Auto ,自动判断 执行类型
        /// 默认 Id : 方法名
        /// </summary>
        /// <param name="reqParams"></param>
        /// <returns></returns>
        IEnumerable<User> Query(object reqParams);
        long GetRecord(object reqParams);
        User Get(object reqParams);
        long Insert(User entity);
        int Update(User entity);
        int Delete(User enttiy);
    }

6.4 尽情享用

    public class UserService
    {
        private readonly ISmartSqlMapper _smartSqlMapper;
        private readonly IUserRepository _userRepository;

        public UserService(
             ISmartSqlMapper smartSqlMapper
            , IUserRepository userRepository)
        {
            _smartSqlMapper = smartSqlMapper;
            _userRepository = userRepository;
        }

        public long Add(AddRequest request)
        {
            int existsNum = _userRepository.Exists(new { request.UserName });
            if (existsNum > 0)
            {
                throw new ArgumentException($"{nameof(request.UserName)} has already existed!");
            }
            return _userRepository.Add(new Entitiy.User
            {
                UserName = request.UserName,
                Password = request.Password,
                Status = Entitiy.UserStatus.Ok,
                CreationTime = DateTime.Now,
            });
        }

        public void UseTransaction()
        {
            try
            {
                _smartSqlMapper.BeginTransaction();
                //Biz();
                _smartSqlMapper.CommitTransaction();
            }
            catch (Exception ex)
            {
                _smartSqlMapper.RollbackTransaction();
                throw ex;
            }
        }
    }

7. 文档地址

8. 技术交流

点击链接加入QQ群【SmartSql 官方交流群】:604762592

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