• Dapper SimpleCRUD Demo


    using System;
    using TestDapper.Common;
    using Dapper;
    using System.Data.SqlClient;
    using System.Collections.Generic;
    using System.Linq;
    using System.Reflection;
    
    namespace TestDapper.ConsoleHelper
    {
        [Table("User")]
        public class User
        {
            [Column("user_id"), Key]
            public int UserId { get; set; }
            [Column("user_name")]
            public string UserName { get; set; }
            public string password { get; set; }
            [Column("mobile_phone")]
            public string MobilePhone { get; set; }
            [Editable(false)]
            public string NameAndPhone { get { return string.Format("{0}:{1}", UserName, MobilePhone); } }
            [ReadOnly(true), Column("created")]
            public DateTime Created { get; set; }
            [ReadOnly(true), Column("modified")]
            public DateTime Modified { get; set; }
        }
        class Program
        {
    
            private static string sqlconnStr = "Data Source=(local);Initial Catalog=XD;User Id=sa;Password=skyjiushiwo;pooling=true;max pool size=512";
    
            static void Main(string[] args)
            {
                Console.WriteLine("Hello World!");
    
                SimpleCRUD.SetDialect(SimpleCRUD.Dialect.SQLServer);
                using (var db = new SqlConnection(sqlconnStr))
                {
                    var user1 = db.Get<User>(1000);
                    if (user1 != null) {
                        Console.WriteLine($"{user1.UserId} {user1.UserName} {user1.password} {user1.MobilePhone}");
                    }
    
                    var firstCount = db.RecordCount<User>();
                    Console.WriteLine($"第一次找到{firstCount}个用户");
    
                    //var UserId = db.Insert(new User
                    //{
                    //    UserName = "userxxx",
                    //    password = "passwordxxx",
                    //    MobilePhone = "13666666000",
                    //});
    
                    //var userX = new User()
                    //{
                    //    UserId = 11,
                    //    UserName = "userxx",
                    //    password = "passwordxx",
                    //    MobilePhone = "13666666666"
                    //};
                    //db.Update(userX);
    
                    //db.Delete<User>(12);
                    //db.DeleteList<User>(new { UserName = "userxxx" });
                    //db.DeleteList<User>("Where user_id > @id", new { id = 12 });
    
                    var second = db.RecordCount<User>();
                    Console.WriteLine($"第二次找到{second}个用户");
    
                    var third = db.RecordCount<User>("where user_name like @UserName", new { UserName = "%user%" });
                    Console.WriteLine($"第三次找到{third}个用户");
    
    
    
                    List<User> users = db.GetList<User>("where user_name like @UserName", new { UserName = "%user%" }).ToList();
                    foreach (var user in users) {
                        Console.WriteLine($"{user.UserId} {user.UserName} {user.password} {user.MobilePhone}");
                    }
                    Console.WriteLine("-");
                    List<User> users2 = db.GetListPaged<User>(2, 4,"where user_name like @UserName", "user_name asc", new { UserName = "%user%" }).ToList();
                    foreach (var user in users2)
                    {
                        Console.WriteLine($"{user.UserId} {user.UserName} {user.password} {user.MobilePhone}");
                        Console.WriteLine($"{user.NameAndPhone}");
                    }
                }
    
    
            }
        }
    }
    

      

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  • 原文地址:https://www.cnblogs.com/hack0573/p/11951830.html
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