/// <summary>
/// 获取一个对象<see cref="object"/>中指定字段的值
/// </summary>
/// <param name="target">要取值的对象<see cref="object"/></param>
/// <param name="fieldName">要取值的属性/字段名称</param>
/// <returns></returns>
public static object Get(object target, string fieldName)
{
object result = null;
if (target == null)
{
return(result);
}
Type targetType = target.GetType();
if (targetType.IsValueType || targetType.IsEnum)
{
result = null;
}
else if (target is IDictionary)
{
result = DictionaryUtil.Get(target as IDictionary, fieldName);
}
else if (target is DataRow)
{
result = RowUtil.Get(target as DataRow, fieldName);
}
else if (target is JObject)
{
result = Get((target as JObject)[fieldName]);
}
else if (targetType.IsClass)
{
PropertyInfo property = targetType.GetProperty(fieldName);
if (property != null)
{
result = property.GetValue(target);
}
else
{
FieldInfo field = targetType.GetField(fieldName);
if (field != null)
{
result = field.GetValue(target);
}
}
}
if (result != null)
{
Type resultType = result.GetType();
Type resultGenericType = null;
if (resultType.IsGenericType)
{
resultGenericType = resultType.GetGenericArguments().FirstOrDefault(); //获取第一个泛型类型
}
if (result is JArray || result is ArrayList || (resultGenericType != null && (StringUtil.CompareType(resultGenericType, typeof(JObject)) || resultGenericType.Equals(typeof(object)) /*StringUtil.CompareType(resultGenericType, "System.Object")*/)))
{
IList resultList = result as IList; //处理Json数组
resultList = ConvertList(resultList);
if (!(target is JObject))
{
Set(target, fieldName, resultList);
}
result = resultList;
}
else if (result is JObject)
{
result = DictionaryUtil.Convert(result);
}
}
return(result);
}