public partial class ModelStatusDictionary where T : new()
{static readonly DynamicMethod _dynamicMethod = new DynamicMethod();///
///判断指定特性的属性///
/// 对象
/// 是否获取基类的属性
/// 排除的属性
///
public static (bool state, string message) ModelVerified(T obj, bool NOnStance= true, ICollection NOnProperty= null)
{bool isEmpty = true;string msge = string.Empty;var ps = typeof(T).GetProperties();if (!NonStance)
ps= typeof(T).GetProperties(BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static |BindingFlags.Instance);if (NonProperty != null)
ps= ps.Where(x => !NonProperty.Contains(x.Name)).ToArray();var vModel = (from p inpswhere p.GetCustomAttribute(true) != null
select new{
name=p.Name,
dname= p.GetCustomAttribute(true).DisplayName,
velue=_dynamicMethod.GetValue(obj, p.Name),
}).Distinct().ToList();var fiel = vModel.Where(x => !Isfield(x.velue)).ToList();if (fiel.Count > 0)
{
isEmpty= false;
msge= $"{string.Join(",", fiel.Select(x => x.dname).ToList())},Required fields cannot be empty!";
}return(isEmpty, msge);
}///
///两个类型一样的对象做比较///
/// A
/// B
public static (bool state, Listdictionary) ModelEquals(T lastModel, T newModel)
{bool isEquals = true;var ps = typeof(T).GetProperties();var _last = GetObject(ps, lastModel);//(from p in ps
var _new =GetObject(ps, newModel);var fields = _new.Except(_last).Where(x => !string.IsNullOrWhiteSpace(x.dname)).Select(x => new ModelEqualDictionary() { DisplayName = x.dname, LostValue = _last.Where(y => y.name == x.name).FirstOrDefault().value, NewValue =x.value }).ToList();if (fields != null)if(fields.Any())
isEquals= false;return(isEquals, fields);
}static IEnumerable GetObject(PropertyInfo[] property, objectmodel)
{if (model == null)
{
model= newT();
}var dy = (from p inpropertywhere p.GetCustomAttribute(true) != null
select new{
name=p.Name,
dname= p.GetCustomAttribute(true).DisplayName,
value=GetModelValue(model, p),
});returndy;
}///
///两个类型一样的对象做比较///
/// A
/// B
/// C
public static (bool state, List dictionary) ModelEqual(T lastModel, T newModel,bool nOnProperty= false,ICollection NOnProperty= null)
{bool isEquals = true;var ps = typeof(T).GetProperties();if (NonProperty != null)
{
ps= ps.Where(x => !NonProperty.Contains(x.Name)).ToArray();
}var _last = nonProperty ?GetNonPropertyModel(ps,lastModel): GetModel(ps, lastModel);var _new = nonProperty ?GetNonPropertyModel(ps, newModel) : GetModel(ps, newModel);var fields = _new.Except(_last).Select(x => new ModelEqualDictionary() { DisplayName = x.dname, LostValue = _last.Where(y => y.name == x.name).FirstOrDefault().value, NewValue =x.value }).ToList();if (fields != null)if(fields.Any())
isEquals= false;return(isEquals, fields);
}static IEnumerable GetNonPropertyModel(PropertyInfo[] property, objectmodel)
{var a = property.Where(p => p.GetCustomAttribute(true) != null).ToList();var dy = (from p inpropertywhere p.GetCustomAttribute(true) != null
select new{
name=p.Name,
dname= p.GetCustomAttribute(true).IsRequired,
value=GetModelValue(model, p),
});returndy;
}static IEnumerable GetModel(PropertyInfo[] property, objectmodel)
{var a = property.Where(p => p.GetCustomAttribute(true) != null).ToList();var dy = (from p inpropertywhere p.GetCustomAttribute(true) != null
select new{
name=p.Name,
dname= p.GetCustomAttribute(true).IsRequired,
value=GetModelValue(model, p),
});returndy;
}static object GetModelValue(objectobj, PropertyInfo property)
{object value = string.Empty;if (getPropertyType(property.PropertyType) == typeof(Nullable))
{var nextObj = obj.GetType().GetProperty(property.Name).GetValue(obj, null);if (property.PropertyType.BaseType.Name == "Enum")
{
value=nextObj;
}else if (nextObj != null)
{if (getPropertyType(nextObj.GetType()) == typeof(DateTime))
{
value=nextObj;
}else{var ps =nextObj.GetType().GetProperties();var thisObj =GetObject(ps, nextObj);
value= string.Join(",", thisObj ?? thisObj.Select(x =>x.value).ToList());
}
}
}else{
value= obj.GetType().GetProperty(property.Name).GetValue(obj, null);
}returnvalue;
}static bool Isfield(objectvalue)
{if (value == null) return false;var val =value.GetType().ToString();switch(val)
{case "System.Boolean":return value == null ? false : true;case "System.Byte":return value == null ? false : true;case "System.SByte":return value == null ? false : true;case "System.Char":return string.IsNullOrWhiteSpace(value.ToString()) ? false : true;case "System.Decimal":return value == null ? false : true;case "System.Double":return value == null ? false : true;case "System.Single":return value == null ? false : true;case "System.Int32":return value == null ? false : true;case "System.UInt32":return value == null ? false : true;case "System.Int64":return value == null ? false : true;case "System.UInt64":return value == null ? false : true;case "System.Object":return value == null ? false : true;case "System.Int16":return value == null ? false : true;case "System.UInt16":return value == null ? false : true;case "System.String":return string.IsNullOrWhiteSpace(value.ToString()) ? false : true;case "System.DateTime.Date":return value == null ? false : true;case "System.DateTime":return value == null ? false : true;case "System.Guid":return value == null ? false : true;default:return true;
}
}staticType getPropertyType(Type obj)
{if (obj == null) return typeof(DBNull);var val =obj.ToString();switch(val)
{case "System.Boolean":return typeof(Boolean);case "System.Byte":return typeof(Byte);case "System.SByte":return typeof(SByte);case "System.Char":return typeof(char);case "System.Decimal":return typeof(Decimal);case "System.Double":return typeof(Double);case "System.Single":return typeof(Single);case "System.Int32":return typeof(Int32);case "System.UInt32":return typeof(UInt32);case "System.Int64":return typeof(Int64);case "System.UInt64":return typeof(UInt64);case "System.Object":return typeof(Object);case "System.Int16":return typeof(Int16);case "System.UInt16":return typeof(UInt16);case "System.String":return typeof(string);case "System.DateTime.Date":return typeof(DateTime);case "System.DateTime":return typeof(DateTime);case "System.Guid":return typeof(Guid);case "System.Enum":return typeof(Enum);default:return typeof(Nullable);
}
}
}public classModelEqualDictionary
{public string DisplayName { get; set; }public object LostValue { get; set; }public object NewValue { get; set; }
}
【文章原创作者：美国服务器 https://www.68idc.cn处的文章,转载请说明出处】