WCS_Pedestal/WCS.BaseExtensions/TypeExtension.cs

using Log;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Security.Cryptography;

namespace WCS.BaseExtensions
{
    /// <summary>
    ///
    /// </summary>
    public static class TypeExtension
    {
        /// <summary>
        /// 将字符串转换为short
        /// </summary>
        /// <param name="value">需要转换的字符串</param>
        /// <returns></returns>
        public static short ToShort(this string value)
        {
            return Convert.ToInt16(value);
        }

        /// <summary>
        /// 将int转换为short
        /// </summary>
        /// <param name="value">需要转换的字符串</param>
        /// <returns></returns>
        public static short ToShort(this int value)
        {
            return Convert.ToInt16(value);
        }

        /// <summary>
        /// 将decimal转换为short
        /// </summary>
        /// <param name="value">需要转换的字符串</param>
        /// <returns></returns>
        public static short ToShort(this decimal value)
        {
            return Convert.ToInt16(value);
        }

        /// <summary>
        /// 将字符串转换为int
        /// </summary>
        /// <param name="value">需要转换的字符串</param>
        /// <returns></returns>
        public static int ToInt(this string value)
        {
            return Convert.ToInt32(value);
        }

        /// <summary>
        /// 判断值为奇数/偶数
        /// </summary>
        /// <param name="value">需要判断的值</param>
        /// <returns> true:是奇数   false:是偶数</returns>
        public static bool OddNumberOrEven(this short value)
        {
            return value % 2 != 0;
        }

        /// <summary>
        /// 获取short类型Code，只限设备组
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static short GetShortCode(this string value)
        {
            return value.Replace("G", "").ToShort();
        }

        /// <summary>
        /// 数据映射
        /// </summary>
        /// <typeparam name="D"></typeparam>
        /// <typeparam name="S"></typeparam>
        /// <param name="s"></param>
        /// <returns></returns>
        public static D Mapper<D, S>(S s)
        {
            D d = Activator.CreateInstance<D>();

            var sType = s.GetType();
            var dType = typeof(D);
            foreach (PropertyInfo sP in sType.GetProperties())
            {
                foreach (PropertyInfo dP in dType.GetProperties())
                {
                    if (dP.Name == sP.Name)
                    {
                        dP.SetValue(d, sP.GetValue(s));
                        break;
                    }
                }
            }
            return d;
        }

        /// <summary>
        /// 获取字典
        /// </summary>
        /// <typeparam name="T1"></typeparam>
        /// <typeparam name="T2"></typeparam>
        /// <typeparam name="T3"></typeparam>
        /// <param name="t3"></param>
        /// <returns></returns>
        public static Dictionary<string, object> EntityClassToDictionary<T>(T t)
        {
            Type type = typeof(SugarColumn);
            Dictionary<string, object> d = new Dictionary<string, object>();

            var sType = t.GetType();
            foreach (PropertyInfo sP in sType.GetProperties())
            {
                if (sP.CustomAttributes.Any(v => v.AttributeType == type) && sP.Name != "VER" && sP.Name != "ID")
                {
                    d.Add(sP.Name, sP.GetValue(t));
                }
            }

            return d;
        }

        /// <summary>
        /// 获取MD5字符串
        /// </summary>
        /// <param name="myString"></param>
        /// <returns></returns>
        public static string GetMD5(this string myString)
        {
            MD5 md5 = MD5.Create();
            byte[] fromData = System.Text.Encoding.Unicode.GetBytes(myString);
            byte[] targetData = md5.ComputeHash(fromData);
            string byte2String = null;

            for (int i = 0; i < targetData.Length; i++)
            {
                byte2String += targetData[i].ToString("x");
            }

            return byte2String;
        }

        /// <summary>
        /// DataTable转换成实体类
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static List<object> TableToEntity(this DataTable dt, string typeName)
        {
            List<object> list = new List<object>();
            try
            {
                foreach (DataRow row in dt.Rows)
                {
                    Type entity = Type.GetType(typeName);
                    PropertyInfo[] pArray = entity.GetType().GetProperties();

                    foreach (PropertyInfo p in pArray)
                    {
                        if (dt.Columns.Contains(p.Name))
                        {
                            if (!p.CanWrite) continue;
                            var value = row[p.Name];
                            if (value != DBNull.Value)
                            {
                                Type targetType = p.PropertyType;
                                Type convertType = targetType;
                                if (targetType.IsGenericType && targetType.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
                                {
                                    //可空类型
                                    NullableConverter nullableConverter = new NullableConverter(targetType);
                                    convertType = nullableConverter.UnderlyingType;
                                }
                                if (!string.IsNullOrEmpty(convertType.FullName) && !string.IsNullOrEmpty(value.ToString()))
                                {
                                    value = Convert.ChangeType(value, convertType);
                                }
                                switch (convertType.FullName)
                                {
                                    case "System.Decimal":
                                        p.SetValue(entity, Convert.ToDecimal(value), null);
                                        break;

                                    case "System.String":
                                        p.SetValue(entity, Convert.ToString(value), null);
                                        break;

                                    case "System.Int32":
                                        p.SetValue(entity, Convert.ToInt32(value), null);
                                        break;

                                    case "System.Int64":
                                        p.SetValue(entity, Convert.ToInt64(value), null);
                                        break;

                                    case "System.Int16":
                                        p.SetValue(entity, Convert.ToInt16(value), null);
                                        break;

                                    case "System.Double":
                                        p.SetValue(entity, Convert.ToDouble(value), null);
                                        break;

                                    case "System.Single":
                                        p.SetValue(entity, Convert.ToSingle(value), null);
                                        break;

                                    case "System.DateTime":
                                        p.SetValue(entity, Convert.ToDateTime(value), null);
                                        break;

                                    default:
                                        p.SetValue(entity, value, null);
                                        break;
                                }
                            }
                        }
                    }
                    list.Add(entity);
                }
            }
            catch (Exception ex)
            {
                InfoLog.INFO_ERROR("Table转换实体类失败：" + ex.Message);
            }
            return list;
        }
    }
}