ServiceCommon/FuncExpressionMapper/MapperHelper.cs

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using ServiceCommon.FuncExpressionMapper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;

namespace ServiceCommon
{
    /// <summary>
    /// 映射帮助类
    /// </summary>
    public static class MapperHelper
    {
        public static MapperHelper<TSource, TTarget> Mapper<TSource, TTarget>()
        {

            var obj = new MapperHelper<TSource, TTarget>();
            return obj;
        }

       

    }

    static class MapperCache
    {
        /// <summary>
        /// 获取映射规则缓存
        /// </summary>
        /// <returns></returns>
        public static Dictionary<string, Dictionary<string, string>> GetMappingCache()
        {
            var Cache = ExpressionMapperCache.Cache;

            if (Cache == null)
            {
                ExpressionMapperCache.Cache = new Dictionary<string, Dictionary<string, string>>();
                FuncExpressionMapping.Init();
            }

            return Cache;
        }


        public static Dictionary<string, string> FindByKey(string sourceClassName, string targetClassName)
        {
            string key = string.Format("{0}>{1}", sourceClassName, targetClassName);

            if (GetMappingCache().Keys.Contains(key))
            {
                return GetMappingCache()[key];
            }

            return null;
        }

        public static Dictionary<string, string> FindByKey(string sourceClassName)
        {
            string key = GetMappingCache().Keys.Where(w => w.StartsWith(string.Format("{0}>", sourceClassName))).FirstOrDefault();