YDal可能是东半球最好.Net Core ORM框架
ydal
项目框架介绍
可能是东半球最好netcore ORM框架，目前暂时支持mysql、mssql，其核心设计目标是开发迅速、学习简单、轻量级、易扩展。现已开放源代码，开箱即用。
It may be the best NETCORE ORM framework in the eastern hemisphere. At present, it temporarily supports MySQL and MSSQL, and its core design goal is to open
特此声明
重复造轮子仅为netcore开源贡献自己一份力量，让用户在orm框架上多一份选择，可以免费商用并提供永久技术支持,githunb:https://github.com/KenneyChen/ydal
使用步骤
安装dll
Install-Package ydal
Install-Package YDal.CodeGenerator
也可以使用nuget管理客户端进行安装
注入代码
public void ConfigureServices(IServiceCollection services)
{
services.AddControllers();
services
.AddDal()//类库核心功能
.AddDalCodeGenerator();//代码生成器专用，生成框架代码之后请注释这段代码AddDalCodeGenerator;
}
生成框架代码配置
{
//连接数据库专用
"ConnectionStrings": {
"DefaultConnection": "server=localhost;uid=root;pwd=123456;port=3306;database=test;sslmode=Preferred;",
"DbType": "MySQL" //无此配置，默认mysql
}
//mssql连接字符串 Data Source=192.168.1.110;Initial Catalog=test;Persist Security Info=True;User ID=test;Password=123456;MultipleActiveResultSets=True;App=EntityFramework;
//代码生成器插件使用
"DbOption": {
"ConnectionString": "server=localhost;uid=root;pwd=123456;port=3306;database=test;sslmode=Preferred;",
"DbType": "MySQL", //mssql mysql
"Author": "作者名称",
"OutputPath": "F:\\app\\y-dal\\cs", //生成代码路径
"ModelsNamespace": "Samples.Models", //实体命名空间
"IRepositoryNamespace": "Samples.Repository", //仓储接口命名空间
"RepositoryNamespace": "Samples.Repository.Impl", //仓储命名空间
"IServicesNamespace": "Samples.Services", //服务接口命名空间
"ServicesNamespace": "Samples.Services.Impl", //服务命名空间
"Tables":"" //指定表名生成，多个用逗号隔开，为空全部
}
}
测试
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Samples.Models;
using Samples.Repository;
namespace Samples.Controllers
{
[ApiController]
[Route("[controller]")]
public class WeatherForecastController : ControllerBase
{
private IdemoRepository DemoRepostiory1;
private static readonly string[] Summaries = new[]
{
"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
};
private readonly ILogger<WeatherForecastController> _logger;
public WeatherForecastController(ILogger<WeatherForecastController> logger, IdemoRepository DemoRepostiory)
{
_logger = logger;
this.DemoRepostiory1 = DemoRepostiory;
}
[HttpGet]
public IEnumerable<WeatherForecast> Get()
{
DemoRepostiory1.Insert(new demo { UserName = "明哥富婆" });
Console.WriteLine($"{DemoRepostiory1.GetHashCode()}");
var rng = new Random();
return Enumerable.Range(1, 5).Select(index => new WeatherForecast
{
Date = DateTime.Now.AddDays(index),
TemperatureC = rng.Next(-20, 55),
Summary = Summaries[rng.Next(Summaries.Length)]
})
.ToArray();
}
}
}
API使用
支持以下2种写法，根据自身需要选择其中一种即可，以下所有代码查看源码UnitTest项目
lambda
xxxRepository.Where(f=>f.Id==123);
Linq:
from a in xxxRepository
1、where （条件查询)
①简单使用
var order1 = _orderdetailRepository.Entities.Where(f => f.itemid == 123)
.Select(f => new
{
f.itemid
})
.FirstOrDefault();
var order1 = _orderdetailRepository.Filter(f => f.itemid == 123);
排序从小到大
var order1 = _orderdetailRepository.Filter(f => f.orderid == 1, p => p.OrderBy(f => f.Id));
排序从大到小
var order1 = _orderdetailRepository.Filter(f => f.orderid == 1, p => p.OrderByDescending(f => f.Id));
多个字段排序
var order1 = _orderdetailRepository.Filter(f => f.orderid == 1, p => p.OrderBy(f => f.Id).ThenBy(f=>f.itemid));
②多个条件
var order1 = _orderdetailRepository.Filter(f => f.itemid == 123 && f.orderid == 1);
③多个表关联
var order1 = from a in _orderdetailRepository.Entities
join b in _ordermasterRepository.Entities on a.orderid equals b.Id
select new
{
b.paytime,
a.totalprice,
a.itemid,
};
2、select（映射）
①匿名对象
var order1 = _orderdetailRepository.Entities.Where(f => f.itemid == 123)
.Select(f => new
{
f.itemid
})
.FirstOrDefault();
②自定义对象
public class Test
{
public string itemname04 { get; set; }
public int itemid04 { get; set; }
}
var order1 = _orderdetailRepository.Entities.Where(f => f.itemid == 123)
.Select(f => new test
{
f.itemid
})
.FirstOrDefault();
3、update （更新）
①简单更新（不推荐）
var order1 = _orderdetailRepository.FilterWithTracking(f => f.itemid == 123);
order1.totalprice = 30.01M;
var r= _orderdetailRepository.Update(order1);
②sql语法糖更新（强烈推荐）
var r=_orderdetailRepository.Update(f => f.itemid == 123, f => new Orderdetail
{
totalprice = 32.01M
});
4、delete （删除）
① 简单删除（不推荐）
var order1 = _orderdetailRepository.FilterWithTracking(f => f.itemid == 9990);
var r = _orderdetailRepository.Delete(order1);
② sql语法糖更新（强烈推荐）
var r = _orderdetailRepository.Delete(f => f.itemid == 9990);
5、insert （插入）
①、简单插入
var r = _orderdetailRepository.Insert(new Orderdetail
{
itemid = 111115,
itemname = "测试insert",
totalprice = 111,
orderid = 1,
});
② 批量插入
var itemId = new Random().Next(100000, 999999);
var list = new List<Orderdetail>();
for (int i = 0; i < 10; i++)
{
list.Add(new Orderdetail
{
itemid = itemId,
itemname = "测试插入",
totalprice = 111,
orderid = 1,
});
};
var r = _orderdetailRepository.Insert(list);
6、page分页 （分页）
①无条件单表分页
var page = new PagingInfo
{
PageIndex = 2, //当前页
PageSize = 5,//每页条数
};
var result = _orderdetailRepository.GetListByPage(page);
var totalCount = result.TotalCount;//返回总页数
② 有条件单表分页
var page = new PagingInfo
{
PageIndex = 2, //当前页
PageSize = 5,//每页条数
};
var result = _orderdetailRepository.Entities.Where(f => f.Id > 10).Paging(page);
③ 支持匿名对象分页
var page = new PagingInfo
{
PageIndex = 1, //当前页
PageSize = 5,//每页条数
};
var result = _orderdetailRepository.Entities
.Where(f => f.Id > 10)
.Select(p => new
{
p.itemid,
p.itemname
})
.Paging(page);
④ 支持自定义对象分页
var page = new PagingInfo
{
PageIndex = 1, //当前页
PageSize = 5,//每页条数
};
var result = _orderdetailRepository.Entities
.Where(f => f.Id > 10)
.Select(p => new Test
{
itemid04 = p.itemid,
itemname04 = p.itemname
})
.Paging(page);
⑤多表分页
var page = new PagingInfo
{
PageIndex = 2, //当前页
PageSize = 5,//每页条数
};
var query = from a in _orderdetailRepository.Entities
join b in _ordermasterRepository.Entities on a.orderid equals b.Id
select new
{
b.paytime,
a.totalprice,
a.itemid,
};
var result = query.Paging(page);
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