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Legal Studies用 C# 獲取當前型別的特定欄位
要使用 C# 獲取當前型別的一個特定欄位，程式碼如下所示 −
示例
using System;
using System.Reflection;
public class Demo {
public static void Main() {
Type type = typeof(Subject);
try {
FieldInfo fieldInfo = type.GetField("SubName");
Console.WriteLine("FieldInfo = {0}", fieldInfo);
}
catch (ArgumentNullException e) {
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
public class Subject {
public string SubName = "Science";
}輸出
將產生以下輸出 −
FieldInfo = System.String SubName
示例
我們看另一個示例 −
using System;
using System.Reflection;
public class Demo {
public static void Main() {
Type type = typeof(Subject);
try {
FieldInfo fieldInfo = type.GetField(null);
Console.WriteLine("FieldInfo = {0}", fieldInfo);
}
catch (ArgumentNullException e) {
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
public class Subject {
public string SubName = "Science";
}輸出
將產生以下輸出 −
System.ArgumentNullException
更新日期：2019-10-12
瀏覽量：368
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