PSI.Common/DbConvert.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Reflection;
using System.Data.SqlClient;
using System.Collections;

namespace PSI.Common
{
    public class DbConvert
    {
        /// <summary>
        /// 将DataRow转换成实体
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="dr"></param>
        /// <returns></returns>
        private static T DataRowToModel<T>(DataRow dr, string cols)
        {
            T model = Activator.CreateInstance<T>();

            Type type = typeof(T);
            if (dr != null)
            {
                var properties = PropertyHelper.GetTypeProperties<T>(cols);
                foreach (var p in properties)
                {
                    string colName = p.GetColName();
                    if (dr[colName] is DBNull)
                        p.SetValue(model, null);
                    else
                    {
                        SetPropertyValue<T>(model, dr[colName], p);
                    }
                }
                return model;
            }
            else
                return default(T);

        }

        /// <summary>
        /// 将DataTable转换成List
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static List<T> DataTableToList<T>(DataTable dt, string cols)
        {
            List<T> list = new List<T>();
            if (dt.Rows.Count > 0)
            {
                foreach (DataRow dr in dt.Rows)
                {
                    T model = DataRowToModel<T>(dr, cols);