打卡判断，增加前端浏览器mac获取，当mac获取为空时不判断

LR-20210131IOQH\Administrator

2021-06-10 6f34ab1ed6f8cb79a012a30a7b687e362c6f16c2

 zhengcaioa/zhengcaioa/Controllers/AdmManagement/SigninController.cs

@@ -11,6 +11,7 @@
using Microsoft.AspNetCore.Http;
using Newtonsoft.Json.Linq;
using System.Transactions;
using System.Runtime.InteropServices;

namespace zhengcaioa.Controllers.AdmManagement
{
@@ -83,13 +84,90 @@
        /// <param name="signinType">10早上上班  11早上下班  20下午上班   21下午下班   30加班上班  31加班下班</param>
        /// <returns></returns>
        [CheckLogin]
        public string Save(string id,int signinType) 
        {                      
            ResultEntity resultEntity = _signinService.save(id, signinType);
        public string Save(string id,int signinType,string mac) 
        {
            ResultEntity resultEntity = new ResultEntity();
            resultEntity.Result = false;
            try
            {
                if (string.IsNullOrEmpty(mac))
                {
                    resultEntity = _signinService.save(id, signinType);
                }
                else
                {
                    var curentuser = JsonConvert.DeserializeObject<PltUser>(HttpContext.Session.GetString("User"));
                    if(curentuser.IpMac == mac)
                    {
                        //var mac = GetClientMAC(GetClientIP());

                    }
                    else
                    {
                        resultEntity.Message = "打卡电脑检查不匹配。";
                    }                    
                }
            }
            catch(Exception er)
            { }
            return JsonConvert.SerializeObject(resultEntity);
        }



        [DllImport("Iphlpapi.dll")]
        private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);

        [DllImport("Ws2_32.dll")]
        private static extern Int32 inet_addr(string ip);

        private string GetClientIP()
        {
            HttpContextAccessor context = new HttpContextAccessor();
            var ip = context.HttpContext?.Connection.RemoteIpAddress.ToString();
            var mac = GetClientMAC(ip);
            var str = "IP:" + ip + "   ，MAC:" + mac;
            return str;
        }

        private string GetClientMAC(string ip)
        {
            string mac_dest = string.Empty;
            try
            { 
                Int32 ldest = inet_addr(ip); //目的地的ip 
                Int32 lhost = inet_addr(""); //服务器的ip 
                Int64 macinfo = new Int64();
                Int32 len = 6;
                int res = SendARP(ldest, 0, ref macinfo, ref len);
                string mac_src = macinfo.ToString("X");
                while (mac_src.Length < 12)
                {
                    mac_src = mac_src.Insert(0, "0");
                }
                for (int i = 0; i < 11; i++)
                {
                    if (0 == (i % 2))
                    {
                        if (i == 10)
                        {
                            mac_dest = mac_dest.Insert(0, mac_src.Substring(i, 2));
                        }
                        else
                        {
                            mac_dest = "-" + mac_dest.Insert(0, mac_src.Substring(i, 2));
                        }

                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return mac_dest;
        }

        /// <summary>
        /// 取得今天签到信息
        /// </summary>