我想比较两个类的数据类型并返回bool值。问题是我的方法不中类的类在C中比较数据类型#
这里的比较值是代码:
public static class Compare
{
public static bool PublicInstancePropertiesEqual<T>(this T self, T to, params string[] ignore) where T : class
{
if (self != null && to != null)
{
var type = typeof(T);
var ignoreList = new List<string>(ignore);
var unequalProperties =
from pi in type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
where !ignoreList.Contains(pi.Name)
let selfValue = type.GetProperty(pi.Name).GetValue(self, null)
let toValue = type.GetProperty(pi.Name).GetValue(to, null)
where selfValue != toValue && (selfValue == null || !selfValue.Equals(toValue))
select selfValue;
return !unequalProperties.Any();
}
return self == to;
}
}
这里是比较:
private void Form1_Load(object sender, EventArgs e)
{
Obj1 obj1 = new Obj1();
Obj1 obj11 = new Obj1();
Obj2 obj2 = new Obj2();
Obj2 obj22 = new Obj2();
obj1.param1 = "1";
obj1.param2 = "2";
obj2.param3 = "3";
obj1.obj2 = obj2;
obj11.param1 = "1";
obj11.param2 = "2";
obj22.param3 = "3";
obj11.obj2 = obj22;
bool res = Compare.PublicInstancePropertiesEqual(obj1, obj11, ("secure"));
}
}
class Obj1
{
public string param1 { get; set; }
public string param2 { get; set; }
public Obj2 obj2 { get; set; }
}
class Obj2
{
public string param3 { get; set; }
public decimal param4 { get; set; }
}
返回的值是假的res
你有没有调试,看看它为什么不起作用? – Patrick
您应该调用您自己的PublicInstancePropertiesEqual方法,而不是调用selfValue.Equals(toValue),当然您需要在这种情况下为值类型添加一些检查 – Patrick
手动测试每个属性,以查看哪个比较失败。那么对于该属性,测试比较条件的三个部分中的每一部分以查看哪一个是真或假。 – HugoRune