CShare_Common/Helper/Entity/ModelToEntity.cs

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;

namespace Common.Helper.Entity
{
    public class ModelToEntity<TM,TE> 
    {
        /// <summary>
        /// 类型转换，有则赋值，没有则默认值 这个可以不传需要转换的值
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public static TE Change(TM model)
        {
            var modelPropertyInfos = typeof(TM).GetProperties();
            var entityType = typeof(TE);
            var entity =(TE)Activator.CreateInstance(typeof(TE));
            foreach (var modelPropertyInfo in modelPropertyInfos)
            {
                if(entityType.GetProperty(modelPropertyInfo.Name)!=null)
                    entityType.GetProperty(modelPropertyInfo.Name)?.SetValue(entity, modelPropertyInfo.GetValue(model), null);
            }

            return entity;
        }
        /// <summary>
        /// 类型转换，只是这个可以传入需要转换的值
        /// </summary>
        /// <param name="model"></param>
        /// <param name="entity"></param>
        /// <returns></returns>

        public static TE Set(TM model,TE entity)
        {
            var modelPropertyInfos = typeof(TM).GetProperties();
            var entityType = typeof(TE);
            foreach (var modelPropertyInfo in modelPropertyInfos)
            {
                if (entityType.GetProperty(modelPropertyInfo.Name) != null)
                    entityType.GetProperty(modelPropertyInfo.Name)?.SetValue(entity, modelPropertyInfo.GetValue(model), null);
            }

            return entity;
        }
    }
}