EF 连接mySql 踩坑历程

EF 连接mySql 踩坑历程。看了很多文件，就这个帮了我。 

 https://blog.csdn.net/qq_43542583/article/details/104759114?spm=1001.2014.3001.5501 

迁移  Add-Migration Initial

Add-Migration Initial

update-database -verbose

Add-Migration daogaoBiaoxiugai

实现批量修改

        /// <summary>
        /// 修改产品
        /// </summary>
        /// <param name="productdto"></param>
        public void UpdateProduct(ProductDto productdto)
        {
            var product =  _context.Products.Include(a => a.ProductConfig).Any(p => p.Id == productdto.Id);
            if (!product)
                throw new Exception("传入的ID未找到产品");          
            var upDateproduct = _mapper.Map<Product>(productdto);
            _context.Products.Update(upDateproduct); 
            _context.SaveChanges();     
        }

　

Linq常用查询运算符　

https://www.cnblogs.com/powerdk/p/5093455.html

.net core EF Core 视图的应用

https://www.cnblogs.com/Vam8023/p/10789131.html

微软官方文档 Entity Framework Core

https://docs.microsoft.com/zh-cn/ef/core/

asp.net core 排序过滤分页组件：sieve

https://www.cnblogs.com/pangjianxin/p/10785615.html

微软官方文档没事多看看

https://docs.microsoft.com/zh-cn/aspnet/core/fundamentals/?view=aspnetcore-3.1&tabs=windows