/// <summary>
/// 将源类型的属性值转换给目标类型同名的属性，排除要过滤的属性名称
/// </summary>
/// <param name="source"></param>
/// <param name="target"></param>
/// <param name="filter">要过滤的属性名称</param>
public void Cast(object source, object target, string[] filter)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (target == null)
{
throw new ArgumentNullException("target");
}
for (int i = 0; i < Properties.Count; i++)
{
CastProperty cp = Properties[i];
if (cp.SourceProperty.Getter != null)
{
object Value = cp.SourceProperty.Getter(source, null); //PropertyInfo.GetValue(source,null);
if (cp.TargetProperty.Setter != null)
{
if (filter == null)
{
cp.TargetProperty.Setter(target, Value, null);
}
else if (!filter.Contains(cp.TargetProperty.PropertyName))
{
cp.TargetProperty.Setter(target, Value, null);
}
}
}
}
}
/// <summary>
/// 以两个要转换的类型作为构造函数，构造一个对应的转换类
/// </summary>
/// <param name="sourceType"></param>
/// <param name="targetType"></param>
public Mapping(Type sourceType, Type targetType)
{
PropertyInfo[] targetProperties = targetType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo sp in sourceType.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
foreach (PropertyInfo tp in targetProperties)
{
if (sp.Name == tp.Name)
{
if (sp.PropertyType == tp.PropertyType)
{
CastProperty cp = new CastProperty();
cp.SourceProperty = new PropertyAccessorHandler(sp);
cp.TargetProperty = new PropertyAccessorHandler(tp);
Properties.Add(cp);
break;
}
else
{
//关于Nullable<T>跟T类型对比
//string nullableName = typeof (Nullable<>).Name;
Type spType = (typeof(Nullable <>).Name == sp.PropertyType.Name) ? sp.PropertyType.GetProperties()[1].PropertyType : sp.PropertyType;
Type tpType = (typeof(Nullable <>).Name == tp.PropertyType.Name) ? tp.PropertyType.GetProperties()[1].PropertyType : tp.PropertyType;
if (spType == tpType)
{
CastProperty cp = new CastProperty();
cp.SourceProperty = new PropertyAccessorHandler(sp);
cp.TargetProperty = new PropertyAccessorHandler(tp);
Properties.Add(cp);
break;
}
}
}
}
}
}
