C# 通过反射检查属性是否包含特定字符串
2021-03-19 02:24
标签：exception 迭代 turn model for 反射 static cat col C# 通过反射检查属性是否包含特定字符串 标签：exception 迭代 turn model for 反射 static cat col 原文地址：https://www.cnblogs.com/Simplerjiang/p/12343188.html public static bool StringFilter(this object model,string filterStr)
{
if (string.IsNullOrEmpty(filterStr))
{
return false;
}
var modelType = model.GetType();
if (modelType.IsClass) //先检查是否为类
{
foreach (var item in modelType.GetRuntimeProperties()) //只获取第一及的属性值
{
try
{
if (item.PropertyType == typeof(Boolean))
{
if (((bool)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(string))
{
var itemstring = (string)item.GetValue(model);
if (!string.IsNullOrEmpty(itemstring))
{
if (itemstring.Contains("深圳市"))
{
}
if (itemstring.Contains(filterStr)) return true;
}
}
else if (item.PropertyType == typeof(DateTime))
{
if (((DateTime)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(int))
{
if (((int)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(long))
{
if (((long)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(short))
{
if (((short)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(decimal))
{
if (((decimal)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(double))
{
if (((int)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(float))
{
if (((float)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(Nullableint>))
{
if ((((Nullableint>)item.GetValue(model))).HasValue) if (((Nullableint>)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(Nullablelong>))
{
if ((((Nullablelong>)item.GetValue(model))).HasValue) if (((Nullablelong>)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(Nullableshort>))
{
if ((((Nullableshort>)item.GetValue(model))).HasValue) if (((Nullableshort>)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(Nullabledecimal>))
{
if ((((Nullabledecimal>)item.GetValue(model))).HasValue) if (((Nullabledecimal>)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(Nullablefloat>))
{
if ((((Nullablefloat>)item.GetValue(model))).HasValue) if (((Nullablefloat>)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType == typeof(Nullabledouble>))
{
if ((((Nullabledouble>)item.GetValue(model))).HasValue) if (((Nullabledouble>)item.GetValue(model)).ToString().Contains(filterStr)) return true;
}
else if (item.PropertyType.IsGenericType)
{
var list = item.PropertyType.GetInterface("IEnumerable", false);
if (list != null)
{
var listVal = item.GetValue(model) as IEnumerableobject>;
foreach (var listitem in listVal)
{
if (listitem.StringFilter(filterStr)) return true;
}
}
}
else if (item.PropertyType.IsClass)
{
var subModel = item.GetValue(model);
if (subModel!=null)
{
if (subModel.StringFilter(filterStr)) return true;
}
}
}
catch (Exception ex)
{
}
}
}
else if (modelType.IsGenericType) //检查是否为迭代器
{
var list = modelType.GetInterface("IEnumerable", false);
if (list != null)
{
var listVal = model as IEnumerableobject>;
foreach (var listitem in listVal)
{
if (listitem.StringFilter(filterStr)) return true;
}
}
}
return false;
}