mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-04-21 18:22:51 +08:00
262 lines
11 KiB
Markdown
262 lines
11 KiB
Markdown
<p align="center">
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<img height="210" src="https://github.com/2881099/FreeSql/blob/master/logo.png?raw=true"/>
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</p>
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FreeSql 是一个功能强大的对象关系映射程序(O/RM)，支持 .NETCore 2.1+ 或 .NETFramework 4.5+（QQ群：4336577）
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扶摇直上，至强ORM只为自由编码；鹏程万里，至简Linq可使保留黑发；横批：FreeSql（诗人：Coder）
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# Features
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- [x] 支持 CodeFirst 迁移；
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- [x] 支持 DbFirst 从数据库导入实体类；
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- [x] 大量采用 ExpressionTree 提升性能；
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- [x] 支持 深入的类型映射，比如pgsql的数组类型；
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- [x] 支持 丰富的表达式函数；
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- [x] 支持 导航属性一对多、多对多贪婪加载，以及延时加载；
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- [x] 支持 同步/异步数据库操作方法；
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- [x] 支持 读写分离、分表分库，租户设计，过滤器，乐观锁；
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- [x] 支持 多种数据库，MySql/SqlServer/PostgreSQL/Oracle/Sqlite；
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| - | - |
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| <img src="https://user-images.githubusercontent.com/16286519/55138232-f5e19e80-516d-11e9-9144-173cc7e52845.png" width="40" height="59"/> | [《新手上路](https://www.cnblogs.com/FreeSql/p/11531300.html) \| [《Select》](https://github.com/2881099/FreeSql/wiki/%e6%9f%a5%e8%af%a2) \| [《Update》](https://github.com/2881099/FreeSql/wiki/%e4%bf%ae%e6%94%b9) \| [《Insert》](https://github.com/2881099/FreeSql/wiki/%e6%b7%bb%e5%8a%a0) \| [《Delete》](https://github.com/2881099/FreeSql/wiki/%e5%88%a0%e9%99%a4) |
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| <img src="https://user-images.githubusercontent.com/16286519/55138241-faa65280-516d-11e9-8b27-139dea46e4df.png" width="40" height="59"/> | [《表达式函数》](https://github.com/2881099/FreeSql/wiki/%e8%a1%a8%e8%be%be%e5%bc%8f%e5%87%bd%e6%95%b0) \| [《CodeFirst》](https://github.com/2881099/FreeSql/wiki/CodeFirst) \| [《DbFirst》](https://github.com/2881099/FreeSql/wiki/DbFirst) \| [《BaseEntity》](https://github.com/2881099/FreeSql/tree/master/Examples/base_entity) |
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| <img src="https://user-images.githubusercontent.com/16286519/55138263-06921480-516e-11e9-8da9-81f18a18b694.png" width="40" height="59"/> | [《Repository》](https://github.com/2881099/FreeSql/wiki/Repository) \| [《UnitOfWork》](https://github.com/2881099/FreeSql/wiki/%e5%b7%a5%e4%bd%9c%e5%8d%95%e5%85%83) \| [《过滤器》](https://github.com/2881099/FreeSql/wiki/%e8%bf%87%e6%bb%a4%e5%99%a8) \| [《乐观锁》](https://github.com/2881099/FreeSql/wiki/%e4%bf%ae%e6%94%b9) \| [《DbContext》](https://github.com/2881099/FreeSql/wiki/DbContext) |
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| <img src="https://user-images.githubusercontent.com/16286519/55138284-0eea4f80-516e-11e9-8764-29264807f402.png" width="40" height="59"/> | [《读写分离》](https://github.com/2881099/FreeSql/wiki/%e8%af%bb%e5%86%99%e5%88%86%e7%a6%bb) \| [《分区分表》](https://github.com/2881099/FreeSql/wiki/%e5%88%86%e5%8c%ba%e5%88%86%e8%a1%a8) \| [《租户》](https://github.com/2881099/FreeSql/wiki/%e7%a7%9f%e6%88%b7) \| [《AOP》](https://github.com/2881099/FreeSql/wiki/AOP) \| [*更新日志*](https://github.com/2881099/FreeSql/wiki/%e6%9b%b4%e6%96%b0%e6%97%a5%e5%bf%97) |
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# Packages
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| Package Name | NuGet | Downloads |
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|--------------| ------- | ---- |
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| FreeSql | [](https://www.nuget.org/packages/FreeSql) | [](https://www.nuget.org/stats/packages/FreeSql?groupby=Version) |
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| FreeSql.Repository | [](https://www.nuget.org/packages/FreeSql.Repository) | [](https://www.nuget.org/stats/packages/FreeSql.Repository?groupby=Version) |
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| FreeSql.DbContext | [](https://www.nuget.org/packages/FreeSql.DbContext) | [](https://www.nuget.org/stats/packages/FreeSql.DbContext?groupby=Version) |
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| [FreeSql.AdminLTE](https://github.com/2881099/FreeSql.AdminLTE) | [](https://www.nuget.org/packages/FreeSql.AdminLTE) | [](https://www.nuget.org/stats/packages/FreeSql.AdminLTE?groupby=Version) |
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| [FreeSql.Connection.Extensions](https://github.com/2881099/FreeSql.Connection.Extensions) | [](https://www.nuget.org/packages/FreeSql.Connection.Extensions) | [](https://www.nuget.org/stats/packages/FreeSql.Connection.Extensions?groupby=Version) |
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> FreeSql 提供了五种使用习惯，请根据实际情况选择团队合适的一种：
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- 要么FreeSql，原始用法；
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- 要么[FreeSql.Repository](https://github.com/2881099/FreeSql/wiki/Repository)，仓储+工作单元习惯；
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- 要么[FreeSql.DbContext](https://github.com/2881099/FreeSql/wiki/DbContext)，有点像efcore的使用习惯；
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- 要么[FreeSql.Connection.Extensions](https://github.com/2881099/FreeSql.Connection.Extensions)，有点像Dapper的使用习惯；
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- 要么[BaseEntity](https://github.com/2881099/FreeSql/tree/master/Examples/base_entity)，我求简单现在使用的这个；
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> 其他下载
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- [FreeSql.Tools 生成器](https://github.com/2881099/FreeSql.Tools)，基于 razor 模板的生成器；
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- [Abp 中使用 FreeSql](https://github.com/gnsilence/JPGZService)，测试中．．．；
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- [FreeSql 优势.pptx](https://github.com/2881099/FreeSql/files/3305852/FreeSql.pptx)；
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# Providers
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| Package Name | Version |
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|--------------| ------- |
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| FreeSql.Provider.MySql | NETStandard2.0、net452 |
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| FreeSql.Provider.PostgreSQL | NETStandard2.0、net45 |
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| FreeSql.Provider.SqlServer | NETStandard2.0、net451 |
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| FreeSql.Provider.Sqlite | NETStandard2.0、net45 |
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| FreeSql.Provider.Oracle | NETStandard2.0、net45 |
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| FreeSql.Extensions.LazyLoading | NETStandard2.0、net45 |
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| FreeSql.Extensions.JsonMap | NETStandard2.0、net45 |
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| FreeSql.Extensions.BaseEntity | NETStandard2.0 |
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<p align="center">
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<img src="https://github.com/2881099/FreeSql/blob/master/functions03.png?raw=true"/>
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</p>
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# Quick start
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> dotnet add package FreeSql.Provider.Sqlite
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```csharp
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IFreeSql fsql = new FreeSql.FreeSqlBuilder()
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.UseConnectionString(FreeSql.DataType.Sqlite,
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@"Data Source=|DataDirectory|\document.db;Pooling=true;Max Pool Size=10")
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.UseAutoSyncStructure(true) //自动同步实体结构到数据库
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.Build(); //请务必定义成 Singleton 单例模式
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class Song {
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[Column(IsIdentity = true)]
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public int Id { get; set; }
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public string Title { get; set; }
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public string Url { get; set; }
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public DateTime CreateTime { get; set; }
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public virtual ICollection<Tag> Tags { get; set; }
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}
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class Song_tag {
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public int Song_id { get; set; }
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public virtual Song Song { get; set; }
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public int Tag_id { get; set; }
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public virtual Tag Tag { get; set; }
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}
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class Tag {
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[Column(IsIdentity = true)]
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public int Id { get; set; }
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public string Name { get; set; }
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public int? Parent_id { get; set; }
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public virtual Tag Parent { get; set; }
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public virtual ICollection<Song> Songs { get; set; }
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public virtual ICollection<Tag> Tags { get; set; }
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}
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```
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# Query
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```csharp
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//OneToOne、ManyToOne
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var t0 = fsql.Select<Tag>()
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.Where(a => a.Parent.Parent.Name == "粤语")
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.IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "xxx"))
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.ToList();
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//OneToMany
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var t1 = fsql.Select<Tag>()
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.Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10))
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.ToList();
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//ManyToMany
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var t2 = fsql.Select<Song>()
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.Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语"))
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.IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "xxx"))
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.ToList();
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//Other
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var t3 = fsql.Select<Xxx>()
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.Where(a => a.IsDelete == 0)
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.WhereIf(keyword != null, a => a.UserName.Contains(keyword))
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.WhereIf(role_id > 0, a => a.RoleId == role_id)
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.Where(a => a.Nodes.AsSelect().Any(t => t.Parent.Id == t.UserId))
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.Count(out var total)
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.Page(page, size)
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.OrderByDescending(a => a.Id)
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.ToList()
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```
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更多前往Wiki：[《Select 查询数据文档》](https://github.com/2881099/FreeSql/wiki/%e6%9f%a5%e8%af%a2)
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```csharp
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var t3 = fsql.Select<Song>()
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.Where(a => new[] { 1, 2, 3 }.Contains(a.Id))
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.ToList();
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```
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```csharp
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var t4 = fsql.Select<Song>()
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.Where(a => a.CreateTime.Date == DateTime.Now.Date)
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.ToList();
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```
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```csharp
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var t5 = fsql.Select<Song>()
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.OrderBy(a => Guid.NewGuid())
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.Limit(1)
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.ToList();
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```
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更多前往Wiki：[《表达式函数》](https://github.com/2881099/FreeSql/wiki/%e8%a1%a8%e8%be%be%e5%bc%8f%e5%87%bd%e6%95%b0)
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# Repository & UnitOfWork
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> dotnet add package FreeSql.Repository
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```csharp
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using (var uow = fsql.CreateUnitOfWork()) {
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var repo1 = uow.GetRepository<Song, int>();
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var repo2 = uow.GetRepository<Tag, int>();
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await repo1.InsertAsync(new Song());
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await repo2.InsertAsync(new Tag());
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uow.Commit();
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}
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```
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# DbContext & DbSet
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> dotnet add package FreeSql.DbContext
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```csharp
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using (var ctx = new fsql.CreateDbContext()) {
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var songs = ctx.Set<Song>();
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var tags = ctx.Set<Tag>();
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var tag = new Tag {
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Name = "testaddsublist",
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Tags = new[] {
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new Tag { Name = "sub1" },
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new Tag { Name = "sub2" },
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new Tag {
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Name = "sub3",
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Tags = new[] {
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new Tag { Name = "sub3_01" }
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}
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}
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}
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};
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//tags.Add(tag);
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ctx.Add(tag);
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await ctx.SaveChangesAsync();
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}
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```
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# DataFilter & Tenant
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```csharp
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public void ConfigureServices(IServiceCollection services) {
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services.AddSingleton<IFreeSql>(Fsql);
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services.AddFreeRepository(filter => filter
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.Apply<ISoftDelete>("SoftDelete", a => a.IsDeleted == false)
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.Apply<ITenant>("Tenant", a => a.TenantId == 1)
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,
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this.GetType().Assembly
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);
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}
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```
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Temporary disable:
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```csharp
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var repoq = fsql.GetRepository<Song, int>();
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using (repo1.DataFilter.Disable("Tenant")) {
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//Tenant Invalid
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}
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//Tenant restore
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```
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# Performance
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FreeSql Query & Dapper Query
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```shell
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Elapsed: 00:00:00.6733199; Query Entity Counts: 131072; ORM: Dapper
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Elapsed: 00:00:00.4554230; Query Tuple Counts: 131072; ORM: Dapper
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Elapsed: 00:00:00.6846146; Query Dynamic Counts: 131072; ORM: Dapper
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Elapsed: 00:00:00.6818111; Query Entity Counts: 131072; ORM: FreeSql*
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Elapsed: 00:00:00.6060042; Query Tuple Counts: 131072; ORM: FreeSql*
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Elapsed: 00:00:00.4211323; Query ToList<Tuple> Counts: 131072; ORM: FreeSql*
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Elapsed: 00:00:01.0236285; Query Dynamic Counts: 131072; ORM: FreeSql*
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```
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FreeSql ToList & Dapper Query
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```shell
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Elapsed: 00:00:00.6707125; ToList Entity Counts: 131072; ORM: FreeSql*
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Elapsed: 00:00:00.6495301; Query Entity Counts: 131072; ORM: Dapper
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```
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[Test code](FreeSql.Tests.PerformanceTests/MySqlAdoTest.cs)
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# Contributors
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[systemhejiyong](https://github.com/systemhejiyong)、
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[LambertW](https://github.com/LambertW)、
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[mypeng1985](https://github.com/mypeng1985)、
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[stulzq](https://github.com/stulzq)、
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[movingsam](https://github.com/movingsam)、
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[ALer-R](https://github.com/ALer-R)、
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[zouql](https://github.com/zouql)、
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深圳|凉茶
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