Asp.net core model 复合主键配置(多字段主键)

using  System;
using  System.ComponentModel.DataAnnotations;
using  System.ComponentModel.DataAnnotations.Schema;
public  class  Entity
{
     [Key,Column(Order = 0)]
     public  int  Key1 {  get ;  set ; }
 
     [Key,Column(Order = 1)]
     public  string  Key2{  get ;  set ; }
 
     [Key,Column(Order = 2)]
     public  string  Key3{  get ;  set ; }
     //....
}

来自：https://blog.csdn.net/usoa/article/details/77159943