DbContextOptionsBuilder

用DbContextOptionsBuilder通過重寫配置上下文OnConfiging(DbContextOptionsBuilder)或者創建一個DbContextOptions外部並將其傳遞給上下文構造函數。

 DbContextOptionsBuilder<Models.DbContext> optionsBuilder = new DbContextOptionsBuilder<Models.DbContext>();
            optionsBuilder.UseSqlServer(JzErpConnectionString);
            return new Models.DbContext(optionsBuilder.Options);

Models.DbContext:數據模型
JzErpConnectionString：配置的數據庫連接字符串
后續更新

參考：官方文檔