妙用反射將動(dòng)態(tài)的給變量取名

發(fā)布日期：2017年03月07日文章來(lái)源：www.cd3t.com

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這是.NET反射的一個(gè)有趣小例子: 通過(guò)反射將變量值轉(zhuǎn)為變量名本身,這個(gè)小功能實(shí)用性還是挺強(qiáng)的，編程嘛就是要不斷的寫(xiě)不斷的學(xué)習(xí)。

當(dāng)然要先添加命名空間:using System.Reflection;

示例代碼如下：

<!--

class Program

{

string name = "strA";

string strA = "strB";

string strB = "Hello World~";

static void Main(string[] args)

{

Program p = new Program();

p.GetTypeValue();

p.GetStrValue(p.name);

p.SetStrValue(p.strA);

Console.ReadKey();

}

/// <summary>

/// 獲取所有FieldInfo的值

/// </summary>

void GetTypeValue()

{

Console.WriteLine("Method: GetTypeValue");

FieldInfo[] fis = this.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Instance);

foreach (FieldInfo fi in fis)

{

Console.WriteLine(fi.Name + " 的值為：" + fi.GetValue(this).ToString());

}

Console.WriteLine();

}

/// <summary>

/// 獲取字符串str對(duì)應(yīng)的變量名的變量值對(duì)應(yīng)的變量值

/// </summary>

/// <param name="str"></param>

void GetStrValue(string str)

{

Console.WriteLine("Method: GetStrValue");

Type type = this.GetType();

//獲取字符串str對(duì)應(yīng)的變量名的變量值

Console.WriteLine(type.GetField(str, BindingFlags.NonPublic | BindingFlags.Instance).GetValue(this).ToString());

Console.WriteLine(

type.GetField(

type.GetField(str, BindingFlags.NonPublic | BindingFlags.Instance).GetValue(this).ToString(),

BindingFlags.NonPublic | BindingFlags.Instance).GetValue(this).ToString()

);

Console.WriteLine();

}

/// <summary>

/// 設(shè)置字符串str對(duì)應(yīng)的變量名的變量值

/// </summary>

/// <param name="str"></param>

void SetStrValue(string str)

{

Console.WriteLine("Method: SetStrValue");

//賦值前輸出

Console.WriteLine(this.GetType().GetField(str, BindingFlags.NonPublic | BindingFlags.Instance).GetValue(this));

//進(jìn)行賦值操作

this.GetType().GetField(str, BindingFlags.NonPublic | BindingFlags.Instance).SetValue(this, "Hello Interkey~");

//賦值后輸出

Console.WriteLine(this.GetType().GetField(str, BindingFlags.NonPublic | BindingFlags.Instance).GetValue(this));

Console.WriteLine();

}

-->

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妙用反射將動(dòng)態(tài)的給變量取名