C# 特性Attributes 和反射

一，Attributes 类新建一个子类，DetailAttributes

二， 在类的属性声明上面加Attributes

public class testAttributes

{

    [Detail(AttrName = "宽度", Html = "<input type='text' />", DefaultValue = "", DataSource = null)]

    public string username {get;set;}

    public class FactoryDetail

    {

        [Detail(AttrName = "宽度", Html = "<input type='text' />", DefaultValue = "", DataSource = null)]

        public string Width { set; get; }

        [Detail(AttrName = "高度", Html = "<input type='text' />", DefaultValue = "", DataSource = null)]

        public string Height { set; get; }

        [Detail(AttrName = "状态", Html = "<select></select>", DefaultValue = null, DataSource = "select text,value from status")]

        public string Status { set; get; }

        [Detail(AttrName = "Tag值", Html = "<input type='text' />", DefaultValue = "", DataSource = null)]

        public string Tag { set; get; }

        [Detail(AttrName = "描述", Html = "<input type='text' />", DefaultValue = "", DataSource = null)]

        public string Desc { set; get; }

        public string test()

        {

            string s = "";

            Type oType = this.GetType();

            foreach (PropertyInfo opi in oType.GetProperties())

            {

                object [] peratt =     opi.GetCustomAttributes(true);

                foreach (var tmp in peratt)

                {

                    if (tmp.GetType() == typeof(FactoryDetail))

                    {

                        DetailAttribute detailAtt = (DetailAttribute)tmp;

                        s += "AttrName: " + detailAtt.AttrName + " ";

                    }

                }

            }

            return s;

        }

    }

}