using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OrmTest
{
///
/// Class for demonstrating CodeFirst initialization operations
/// 用于展示 CodeFirst 初始化操作的类
///
public class Unitadfaf2s
{
public static void Init()
{
// Get a new database instance
// 获取新的数据库实例
var db = DbHelper.GetNewDb();
// Create the database if it doesn't exist
// 如果数据库不存在,则创建数据库
db.DbMaintenance.CreateDatabase();
// Initialize tables based on UserInfo001 entity class
// 根据 UserInfo001 实体类初始化表
db.CodeFirst.InitTables();
db.DbMaintenance.TruncateTable();
//Insert
var id = db.Insertable(
new UserInfo001xdxx1()
{
Context = "Context",
Email = "dfafa@qq.com",
Price = Convert.ToDecimal(1.1),
UserName = "admin",
RegistrationDate = DateTime.MaxValue,
}).ExecuteReturnIdentity();
//插入
var id2 = db.Insertable(new List() {
new UserInfo001xdxx1()
{
Context = "Context",
Email="dfafa@qq.com",
Price=Convert.ToDecimal(1.1),
UserName="admin",
RegistrationDate=DateTime.MaxValue,
},
new UserInfo001xdxx1()
{
Context = "Context",
Email="dfafa@qq.com",
Price=Convert.ToDecimal(1.1),
UserName="admin",
RegistrationDate=DateTime.MaxValue,
}
}).ExecuteReturnIdentity();
var xxx = db.Queryable().ToList();
//Query
//查询
var userInfo = db.Queryable().InSingle(id);
//Update
//更新
db.Updateable(userInfo).ExecuteCommand();
//Delete
//删除
db.Deleteable(userInfo).ExecuteCommand();
}
///
/// User information entity class
/// 用户信息实体类
///
public class UserInfo001xdxx1
{
///
/// User ID (Primary Key)
/// 用户ID(主键)
///
[SugarColumn(IsIdentity = true, IsPrimaryKey = true)]
public int UserId { get; set; }
///
/// User name
/// 用户名
///
[SugarColumn(Length = 50, IsNullable = false)]
public string UserName { get; set; }
///
/// User email
/// 用户邮箱
///
[SugarColumn(IsNullable = true)]
public string Email { get; set; }
///
/// Product price
/// 产品价格
///
public decimal Price { get; set; }
///
/// User context
/// 用户内容
///
[SugarColumn(ColumnDataType = StaticConfig.CodeFirst_BigString, IsNullable = true)]
public string Context { get; set; }
///
/// User registration date
/// 用户注册日期
///
[SugarColumn(IsNullable = true, ColumnDataType = "timestamp with time zone")]
public DateTime? RegistrationDate { get; set; }
}
}
}