using SqlSugar; using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace OrmTest { public class DemoE_CodeFirst { public static void Init() { Console.WriteLine(""); Console.WriteLine("#### CodeFirst Start ####"); SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { DbType = DbType.SqlServer, ConnectionString = Config.ConnectionString3, InitKeyType = InitKeyType.Attribute, IsAutoCloseConnection = true }); db.Aop.OnLogExecuted = (s, p) => { Console.WriteLine(s); }; db.DbMaintenance.CreateDatabase(); db.CodeFirst.InitTables(typeof(CodeFirstTable1));//Create CodeFirstTable1 db.DbMaintenance.TruncateTable(); db.Insertable(new CodeFirstTable1() { Name = "a", Text="a",CreateTime=DateTime.Now }).ExecuteCommand(); db.Insertable(new CodeFirstTable1() { Name = "a", Text = "a", CreateTime = DateTime.Now.AddDays(1) }).ExecuteCommand(); var list = db.Queryable().ToList(); db.CodeFirst.InitTables(); db.Insertable(new UnituLong() { longx = 1 }).ExecuteCommand(); var ulList=db.Queryable().Where(x => x.longx > 0).ToList(); Console.WriteLine("#### CodeFirst end ####"); } } public class UnituLong { public ulong longx{get;set;} } [SugarIndex("index_codetable1_name",nameof(CodeFirstTable1.Name),OrderByType.Asc)] [SugarIndex("index_codetable1_nameid", nameof(CodeFirstTable1.Name), OrderByType.Asc,nameof(CodeFirstTable1.Id),OrderByType.Desc)] [SugarIndex("unique_codetable1_CreateTime", nameof(CodeFirstTable1.CreateTime), OrderByType.Desc,true)] public class CodeFirstTable1 { [SugarColumn(IsIdentity = true, IsPrimaryKey = true)] public int Id { get; set; } public string Name { get; set; } [SugarColumn(ColumnDataType = "Nvarchar(255)")]//custom public string Text { get; set; } [SugarColumn(IsNullable = true)] public DateTime CreateTime { get; set; } } }