BPA.SAAS.Manage/BPA.SAAS.Manage.Application/AExternalPlatform/BaseDto/DtoValidator.cs

using BPA.SAAS.Manage.Application.AExternalPlatform.Enum;
using BPA.SAAS.Manage.Core;
using BPA.SAAS.Manage.Core.DataBase;
using BPA.SAAS.Manage.Core.Org;
using Furion.JsonSerialization;
using Newtonsoft.Json;
using NPOI.Util.ArrayExtensions;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Reflection;
using System.Text;

namespace BPA.SAAS.Manage.Application.AExternalPlatform.BaseDto
{



    /// <summary>
    /// Dto参数验证
    /// </summary>
   public static class DtoValidator
    {
       

        /// <summary>
        /// 获取签名
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="t"></param>
        /// <param name="otype">0-不排序 1-按名称ASCII排序</param>
        /// <returns></returns>
        public static string GetSign<T>(T t, int otype = 1)
        {
            string retstr = "";
            //定义PropertyInfo的List
            List<PropertyInfo> proplist = new List<PropertyInfo>();
            //遍历泛型类的每个属性加入到List里面
            Array.ForEach<PropertyInfo>(typeof(T).GetProperties(),
                p => proplist.Add(p));
            //根据参数进行排序 0-不排序  1-按名称ASCII码排序
            if (otype == 1)
                proplist = proplist.OrderBy(k => k.Name).ToList();

            //遍历List泛型生成我们要签名的字符串
            proplist.ForEach(p =>
            {
                if (p.Name.ToLower() != "sign".ToLower())
                {
                    if (p.GetValue(t, null) != null && p.GetValue(t, null).ToString() != "")
                    {
                        retstr = retstr + p.Name + "=" + p.GetValue(t, null) + "&";
                    }
                   
                }
            });
            //把字符串最后一位截断
            retstr = retstr.Substring(0, retstr.Length - 1);
            //输出字符串
            return retstr;
        }
    }
}