妙用反射将动态的给变量取名

发布日期：2017年03月07日文章来源：www.tengways.com

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这是.NET反射的一个有趣小例子: 通过反射将变量值转为变量名本身,这个小功能实用性还是挺强的，编程嘛就是要不断的写不断的学习。

当然要先添加命名空间:using System.Reflection;

示例代码如下：

<!--

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>

/// 获取所有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 + " 的值为：" + fi.GetValue(this).ToString());

}

Console.WriteLine();

}

/// <summary>

/// 获取字符串str对应的变量名的变量值对应的变量值

/// </summary>

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

void GetStrValue(string str)

{

Console.WriteLine("Method: GetStrValue");

Type type = this.GetType();

//获取字符串str对应的变量名的变量值

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>

/// 设置字符串str对应的变量名的变量值

/// </summary>

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

void SetStrValue(string str)

{

Console.WriteLine("Method: SetStrValue");

//赋值前输出

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

//进行赋值操作

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

//赋值后输出

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

Console.WriteLine();

}

-->

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妙用反射将动态的给变量取名