/// <summary>
/// 复制数据
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <typeparam name="K">拥有索引器的实体类型</typeparam>
/// <typeparam name="P">索引器参数类型，例：int</typeparam>
/// <typeparam name="R">索引器返回类型，例：string</typeparam>
/// <param name="originalData">原实体数据</param>
/// <param name="propertyMatchList">属性匹配，例：new { ID = "UserID" }</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static T Copy <T, K, P, R>(K originalData, object propertyMatchList = null, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
where T : class, new()
where K : class
{
T t = ReflectionGenericHelper.New <T>();
Func <K, P, object> indexCall = ReflectionGenericHelper.PropertyIndexGetCall <K, P, R>(reflectionType);
Dictionary <PropertyInfo, string> propertyMatchDict = InitPropertyMatchMapper(originalData.GetType(), typeof(T), propertyMatchList, null);
foreach (var keyValueItem in propertyMatchDict)
{
P indexName = (P)Convert.ChangeType(keyValueItem.Value, typeof(P), CultureInfo.InvariantCulture);
ReflectionHelper.SetPropertyValue(t, indexCall(originalData, indexName).ToString(), keyValueItem.Key);
}
return(t);
}