44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
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using System.Reflection;
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namespace Lesson21_特性练习
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{
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internal class Program
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{
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static void Main(string[] args)
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{
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Assembly assembly = Assembly.LoadFrom(@"D:\VisualStudio2022\VisualStudio Programe\C#\C#进阶\反射练习库\bin\Debug\反射练习库");
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Type[] types = assembly.GetTypes();
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for (int i = 0; i < types.Length; i++)
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{
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Console.WriteLine(types[i]);
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}
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//得type
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Type playertype = assembly.GetType("反射练习库.Player");
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//实例化对象
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object playerObj = Activator.CreateInstance(playertype);
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Console.WriteLine(playerObj);
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FieldInfo[] fields = playertype.GetFields();
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for (int i = 0; i < fields.Length; i++)
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{
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Console.WriteLine(fields[i]);
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}
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//首先得到自定义特性的Type
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Type atrribute = assembly.GetType("反射练习库.MyCustomAttribute");
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//赋值名字
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FieldInfo fieldStr = playertype.GetField("name");
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if(fieldStr.GetCustomAttribute(atrribute) != null)
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{
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Console.WriteLine("非法操作，随意修改name成员");
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}
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else
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{
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//检测是否被自定义特性修饰 如果是 就不能更改 而是提示
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fieldStr.SetValue(playerObj, "123123");
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}
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}
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}
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}
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