/// <summary>
/// 获取某个类型声明的信息
/// </summary>
/// <param name="classType"></param>
/// <returns></returns>
public IList <DescriptionItemValue> GetDescriptionItems(Type classType)
{
var list = new List <DescriptionItemValue>();
if (classType.IsEnum)
{
var names = Enum.GetNames(classType);
foreach (var name in names)
{
var filedInfo = classType.GetField(name);
var attributes = filedInfo.GetCustomAttributes(typeof(DescriptionItemAttribute), false);
if (attributes.Length > 0)
{
var att = (DescriptionItemAttribute)attributes[0];
var enumFiledValue = new DescriptionItemValue {
Description = att.Description
};
enumFiledValue.FieldName = !string.IsNullOrEmpty(att.Name)
? att.Name
: name;
enumFiledValue.FieldValue = name;
list.Add(enumFiledValue);
}
}
}
else
{
var memberInfos = classType.GetMembers(BindingFlags.Static
| BindingFlags.Instance
| BindingFlags.GetField
| BindingFlags.GetProperty
| BindingFlags.Public
| BindingFlags.NonPublic);
foreach (var memberInfo in memberInfos)
{
var customAttributes = memberInfo.GetCustomAttributes(typeof(DescriptionItemAttribute), false);
if (customAttributes.Length > 0)
{
var att = (DescriptionItemAttribute)customAttributes[0];
if (memberInfo is FieldInfo fieldInfo)
{
var fieldValue = SimpleConstFieldValue(classType, att, fieldInfo);
list.Add(fieldValue);
}
else if (memberInfo is PropertyInfo propInfo)
{
var fieldValue = SimpleConstFieldValue(classType, att, propInfo);
list.Add(fieldValue);
}
}
}
}
return(list);
}
private static DescriptionItemValue SimpleConstFieldValue(Type classType, DescriptionItemAttribute att, FieldInfo propInfo)
{
var fieldValue = new DescriptionItemValue {
Description = att.Description, FromType = classType
};
fieldValue.FieldName = !string.IsNullOrEmpty(att.Name)
? att.Name
: propInfo.Name;
if (propInfo.IsStatic)
{
fieldValue.FieldValue = propInfo.GetValue(null).ToString();
}
else
{
var instance = Activator.CreateInstance(classType);
fieldValue.FieldValue = propInfo.GetValue(instance).ToString();
}
return(fieldValue);
}
