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  • EF关联

    public CustomerMap()
    {
    this.ToTable("Customer");
    this.HasKey(c => c.Id);
    this.Property(u => u.Username).HasMaxLength(1000);
    this.Property(u => u.Email).HasMaxLength(1000);
    this.Property(u => u.EmailToRevalidate).HasMaxLength(1000);
    this.Property(u => u.SystemName).HasMaxLength(400);

    //多对多
    this.HasMany(c => c.CustomerRoles)
    .WithMany()//没有传任何参数则代表对方没有导航属性到此实体
    .Map(m => m.ToTable("Customer_CustomerRole_Mapping")); 

    //一对一,但BillingAddress表没有导航到Customer的属性,此customer生成的字段BillingAddress_Id是可以为空的
    this.HasOptional(c => c.BillingAddress); 
    }

    ===============================================================================================

    public partial class CustomerAttributeValueMap : NopEntityTypeConfiguration<CustomerAttributeValue>
    {
    public CustomerAttributeValueMap()
    {
    this.ToTable("CustomerAttributeValue");
    this.HasKey(cav => cav.Id);
    this.Property(cav => cav.Name).IsRequired().HasMaxLength(400);
    //一对多,双方都有导航属性
    this.HasRequired(cav => cav.CustomerAttribute)
    .WithMany(ca => ca.CustomerAttributeValues)
    .HasForeignKey(cav => cav.CustomerAttributeId);
    }
    }

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  • 原文地址:https://www.cnblogs.com/evemen/p/7181925.html
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