这是一个自动实现的属性。它基本上是在c#中为类创建属性的一种简便方法，而不必为它们定义私有变量。当获取或设置变量值时不需要额外的逻辑时，通常使用它们。

你可以在MSDN的自动实现属性编程指南上阅读更多。

它是c#的一个自动实现的属性。

它们是公共属性Name的访问器。

你可以使用它们在一个类型实例中获取/设置该属性的值。

它基本上是一种速记。你可以写公共字符串Name {get;设置;}就像在许多例子中一样，但你也可以这样写:

private string _name;

public string Name
{
    get { return _name; }
    set { _name = value ; } // value is a special keyword here
}

为什么使用它?它可以用来过滤对属性的访问，例如您不希望名称中包含数字。

让我给你们举个例子:

private class Person {
    private int _age;  // Person._age = 25; will throw an error
    public int Age{
        get { return _age; }  // example: Console.WriteLine(Person.Age);
        set { 
            if ( value >= 0) {
                _age = value; }  // valid example: Person.Age = 25;
        }
    }
}

它的官方名称是Auto-Implemented Properties，阅读(编程指南)是一个好习惯。 我还推荐教程视频c#属性:为什么使用“get”和“set”。

属性就像一个层，它将私有变量与类的其他成员分开。从外界看来，属性只是一个字段，可以使用.Property访问属性

public class Person
{
    public string FirstName { get; set; }

    public string LastName { get; set; }

    public string FullName => $"{FirstName} {LastName}";
}

public class Person
{
    public string FirstName { get; set; }

    public string LastName { get; set; }

    public string FullName { get { return $"{FirstName} {LastName}"; } }
}

FullName是一个属性。有箭头的那个是捷径。从外部世界，我们可以像这样访问FullName:

var person = new Person();
Console.WriteLine(person.FullName);

调用者并不关心您如何实现FullName。但在类内部，你可以随心所欲地更改FullName。

查看微软文档以获得更详细的解释:

https://learn.microsoft.com/en-us/dotnet/csharp/properties

The get/set pattern provides a structure that allows logic to be added during the setting ('set') or retrieval ('get') of a property instance of an instantiated class, which can be useful when some instantiation logic is required for the property. A property can have a 'get' accessor only, which is done in order to make that property read-only When implementing a get/set pattern, an intermediate variable is used as a container into which a value can be placed and a value extracted. The intermediate variable is usually prefixed with an underscore. this intermediate variable is private in order to ensure that it can only be accessed via its get/set calls. See the answer from Brandon, as his answer demonstrates the most commonly used syntax conventions for implementing get/set.