C#_自定义简单ORM代码下载

Posted 2020-08-31

 

测试实体：

    [TableAttribute("TEST_STUDENT")]
    public class Student : MyBaseClass
    {
        /// <summary>
        /// 
        /// </summary>
        [ColumnAttribute("GUID", DbType.AnsiString, IsPK = true)]
        public string Guid
        { get; set; }

        [ColumnAttribute("Name", DbType.AnsiString)]
        public string Name
        { get; set; }

        [ColumnAttribute("Age", DbType.Int32)]
        public Int32? Age
        { get; set; }

        [ColumnAttribute("Height", DbType.Decimal)]
        public Decimal? Height
        { get; set; }

        [ColumnAttribute("Birthday", DbType.DateTime)]
        public DateTime? Birthday
        { get; set; }
    }

测试代码：

private void SelectTest(ISqlHelper helper)
        {
            MyDbHelper fh = new MyDbHelper(helper);
            List<Student> lst = null;
            Student stu = new Student();
            stu.SetHelper(helper);
            stu.Name = "chyun";
            lst = fh.Select<Student>(stu);
            lst = stu.Select<Student>();

            stu = new Student();
            stu.SetHelper(helper);
            stu.Age = 26;
            lst = fh.Select<Student>(stu);
            lst = stu.Select<Student>();

            stu = new Student();
            stu.SetHelper(helper);
            stu.Age = 26;
            stu.Height = 1.78M;
            lst = fh.Select<Student>(stu);
            lst = stu.Select<Student>();

            stu = new Student();
            stu.SetHelper(helper);
            stu.Height = 1.78M;
            lst = fh.Select<Student>(stu);
            lst = stu.Select<Student>();
        }

        private void InsertTest(ISqlHelper helper)
        {
            Student stu = new Student();
            stu.SetHelper(helper);

            stu.Guid = "E47F2C60EF00488B9F48747FACC41EC5";
            stu.Name = "chyun";
            stu.Age = 26;
            stu.Height = 1.78M;
            stu.Birthday = DateTime.Parse("1988-06-07 10:30:00");
            stu.Insert();

            stu = new Student();
            stu.SetHelper(helper);
            stu.Guid = Guid.NewGuid().ToString();
            stu.Name = "chyun";
            //stu.Age = 26;
            stu.Height = 1.78M;
            stu.Birthday = DateTime.Parse("1988-06-07 10:31:00");
            stu.Insert();

            stu = new Student();
            stu.SetHelper(helper);
            stu.Guid = Guid.NewGuid().ToString();
            stu.Name = "chyun";
            stu.Age = 27;
            stu.Height = 1.781M;
            stu.Birthday = DateTime.Parse("1988-06-07 10:32:00");
            stu.Insert();
        }

        private void UpdateTest(ISqlHelper helper)
        {
            Student stu = new Student();
            stu.SetHelper(helper);

            stu.Guid = "E47F2C60EF00488B9F48747FACC41EC5";
            stu.Name = "chyun";
            stu.Age = 16;
            stu.Height = 1.785M;
            stu.Birthday = DateTime.Parse("1988-06-07 10:30:30");

            stu.UpdateByPk();
        }

        private void DeleteTest(ISqlHelper helper)
        {
            Student stu = new Student();
            stu.SetHelper(helper);

            stu.Guid = "E47F2C60EF00488B9F48747FACC41EC5";
            stu.Name = "chyun";
            stu.Age = 16;
            stu.Height = 1.785M;
            stu.Birthday = DateTime.Parse("1988-06-07 10:30:30");

            stu.DeleteByPk();
        }

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