首页NullReferenceException: Object reference not set to an instance of an object Shop+<>c.<GenerateUpgradeItemUI>b__5_0 (Skill Skill) (at Assets/Scripts/Shop/Shop.cs:32) System.Collections.Generic.List`1[T].FindAll (System.Predicate`1[T] match) (at <d6232873609549b8a045fa15811a5bd3>:0) Shop.GenerateUpgradeItemUI (System.Int32 show_num) (at Assets/Scripts/Shop/Shop.cs:32) UI.ShopPopShowAndHide () (at Assets/Scripts/UI/UI.cs:100) UI.Update () (at Assets/Scripts/UI/UI.cs:52) 这段错误代码是什么意思

NullReferenceException: Object reference not set to an instance of an object Shop+<>c.<GenerateUpgradeItemUI>b__5_0 (Skill Skill) (at Assets/Scripts/Shop/Shop.cs:32) System.Collections.Generic.List`1[T].FindAll (System.Predicate`1[T] match) (at <d6232873609549b8a045fa15811a5bd3>:0) Shop.GenerateUpgradeItemUI (System.Int32 show_num) (at Assets/Scripts/Shop/Shop.cs:32) UI.ShopPopShowAndHide () (at Assets/Scripts/UI/UI.cs:100) UI.Update () (at Assets/Scripts/UI/UI.cs:52) 这段错误代码是什么意思

时间: 2023-06-20 16:08:53 浏览: 188

这段错误代码是 C# 代码中的一个异常，称为“空引用异常”（NullReferenceException）。它意味着你正在尝试访问一个未初始化的对象。在这种情况下，你正在尝试访问一个空列表或空对象，而没有先检查它是否已被初始化。具体来说，这段代码显示你在尝试访问一个名为“Skill”的对象，但是它没有被初始化，因此出现了空引用异常。要解决这个问题，你需要确保在访问任何对象之前，它已经被正确地初始化。你可以使用条件语句或空值合并运算符（??）等技术来检查对象是否为空。

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