C#反射生成简单sql语句

 static void Main(string[] args)
        {
            book book = new book();//实体类
            booktest b1 = new booktest();

            book.bookid = "1";
            book.bookname = "计算机原理";
            book.bookprice = 32.04M;
            string sql = CreateInsertSQL(book);
        }

        public static string CreateInsertSQL(book book)
        {
            Type type = book.GetType();

            PropertyInfo[] props = type.GetProperties();
            StringBuilder sb = new StringBuilder();
            sb.Append("insert into "+ type.Name+"(");
            foreach( PropertyInfo prop in props)
            {
                string name = prop.PropertyType.FullName;
               string value  = prop.GetValue(book,null) as string;
                object[] array = prop.GetCustomAttributes(typeof(KEYAttribute),true);//获取属性，判断在sql语句中必须的，比如主键
                if (array.Length > 0)
                {
                    continue;
                }
                sb.Append(prop.Name + ",");

            }
            sb.Remove(sb.Length - 1, 1);
            sb.Append(") values(");
            foreach (PropertyInfo prop in props)
            {
                object[] array = prop.GetCustomAttributes(typeof(KEYAttribute), true);
                if (array.Length > 0)
                {
                    continue;
                }
                sb.Append("@" + prop.Name + ",");
            }

            sb.Remove(sb.Length-1,1);
            sb.Append(")");
            return sb.ToString();
        }