XzXdDw/Common/ExtensionsDev/ParamCheckExtension.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DevExpress.XtraEditors.DXErrorProvider;
using DevExpress.XtraEditors;
using DevExpress.Emf;
using System.Text.RegularExpressions;
using System.IO;
namespace ExtensionsDev
{
    public static class ParamCheckExtension
    {
        public static bool CheckLonLat(this TextEdit @this, DXErrorProvider dxErrorProvider, string msg)
        {
            if (string.IsNullOrWhiteSpace(@this.Text.Trim()))
            {
                dxErrorProvider.SetError(@this, $"{msg}经纬度不能为空!");
                return false;
            }
            var context = @this.Text.Split(',');
            if (context.Length != 2)
            {
                dxErrorProvider.SetError(@this, $"{msg}经度纬度之间用英文逗号隔开!");
                return false;
            }
            double lon;
            bool isDoubleLon = Double.TryParse(context[0], out lon);
            if (!isDoubleLon || lon > 180 || lon < -180)
            {
                dxErrorProvider.SetError(@this, $"{msg}经度范围[180,-180]!");
                return false;
            }
            double lat;
            bool isDoubleLat = Double.TryParse(context[1], out lat);
            if (!isDoubleLat || lat > 90 || lat < -90)
            {
                dxErrorProvider.SetError(@this, $"{msg}纬度范围[90,-90]!");
                return false;
            }
            dxErrorProvider.SetError(@this, string.Empty);
            return true;

        }

        public static bool CheckNumber(this ButtonEdit @this, DXErrorProvider dxErrorProvider, string msg)
        {
            if (string.IsNullOrWhiteSpace(@this.Text.Trim()))
            {
                dxErrorProvider.SetError(@this, $"{msg}不能为空!");
                return false;
            }
            double number;
            bool isDoubleNum = Double.TryParse(@this.Text, out number);
            if (!isDoubleNum)
            {
                dxErrorProvider.SetError(@this, $"{msg}必须是数字！");
                return false;
            }
            dxErrorProvider.SetError(@this, string.Empty);
            return true;

        }
      


        public static bool CheckDateEdit(this DateEdit @this, DXErrorProvider dxErrorProvider, string msg)
        {
            if (string.IsNullOrWhiteSpace(@this.Text.Trim()))
            {
                dxErrorProvider.SetError(@this, msg);
                return false;
            }
            else
            {
                dxErrorProvider.SetError(@this, string.Empty);
                return true;
            }
        }

        public static bool CheckFile(this ButtonEdit @this, DXErrorProvider dxErrorProvider, string msg)
        {
            if (string.IsNullOrWhiteSpace(@this.Text.Trim()))
            {
                dxErrorProvider.SetError(@this, $"{msg}不能为空!");
                return false;
            }

            if (!File.Exists(@this.Text.Trim()))
            {
                dxErrorProvider.SetError(@this, $"{msg}不存在!");
                return false;
            }

            dxErrorProvider.SetError(@this, string.Empty);
            return true;
        }
    }
}