Yuebon.NetCore/Yuebon.Commons/Mapping/MapperExtensions.cs

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using AutoMapper;
using System.Collections;
using System.Linq.Expressions;
using Yuebon.Commons.Extensions;
using Yuebon.Commons.Properties;

namespace Yuebon.Commons.Mapping
{
    /// <summary>
    /// 对象映射扩展操作
    /// </summary>
    public static class MapperExtensions
    {
        private static IMapper _mapper;

        /// <summary>
        /// 设置对象映射执行者
        /// </summary>
        /// <param name="mapper">映射执行者</param>
        public static void SetMapper(IMapper mapper)
        {
            mapper.CheckNotNull("mapper");
            _mapper = mapper;
        }

        /// <summary>
        /// 将对象映射为指定类型
        /// </summary>
        /// <typeparam name="TTarget">要映射的目标类型</typeparam>
        /// <param name="source">源对象</param>
        /// <returns>目标类型的对象</returns>
        public static TTarget MapTo<TTarget>(this object source)
        {
            CheckMapper();
            return _mapper.Map<TTarget>(source);
        }

        /// <summary>
        /// 使用源类型的对象更新目标类型的对象
        /// </summary>
        /// <typeparam name="TSource">源类型</typeparam>
        /// <typeparam name="TTarget">目标类型</typeparam>
        /// <param name="source">源对象</param>
        /// <param name="target">待更新的目标对象</param>
        /// <returns>更新后的目标类型对象</returns>
        public static TTarget MapTo<TSource, TTarget>(this TSource source, TTarget target)
        {
            CheckMapper();
            return _mapper.Map(source, target);
        }

        /// <summary>
        /// 将数据源映射为指定<typeparamref name="TOutputDto"/>的集合
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <typeparam name="TOutputDto"></typeparam>
        /// <param name="source"></param>
        /// <param name="membersToExpand"></param>
        /// <returns></returns>
        public static IQueryable<TOutputDto> ToOutput<TEntity, TOutputDto>(this IQueryable<TEntity> source,