在一个枚举传递方法参数 [英] Pass in an enum as a method parameter

问题描述

我宣布一个枚举：

public enum SupportedPermissions
{
    basic,
    repository,
    both
}

我也有一个POCO这样的：

I also have a POCO like this:

public class File
{
    public string Id { get; set; }
    public string Name { get; set; }
    public string Description { get; set; }
    public SupportedPermissions SupportedPermissions { get; set; }      
}

现在我想创建，我可以用它来创建一个方法新的文件对象：

Now I would like to create a method that I can use to create a new File object with:

public string CreateFile(string id, string name, string description, Enum supportedPermissions)
{
    file = new File
    {  
        Name = name,
        Id = id,
        Description = description,
        SupportedPermissions = supportedPermissions.basic
    };

    return file.Id;
}

我将如何创建一个枚举的参数，我将如何分配，像在我的伪代码 SupportedPermissions = supportedPermissions.basic 让我的文件实例都有一个SupportedPermissions设置呢？

How would I create the parameter for the enum and how would I assign that like in my pseudo code SupportedPermissions = supportedPermissions.basic so that my File instance has a SupportedPermissions set to it?

推荐答案

更改的CreateFile 方法的签名，以期望 SupportedPermissions 价值而非纯枚举。

Change the signature of the CreateFile method to expect a SupportedPermissions value instead of plain Enum.

public string CreateFile(string id, string name, string description, SupportedPermissions supportedPermissions)
{
    file = new File
    {  
        Name = name,
        Id = id,
        Description = description,
        SupportedPermissions = supportedPermissions
    };

    return file.Id;
}

然后当你调用你的方法，你传递 SupportedPermissions 价值，你的方法。

  var basicFile = CreateFile(myId, myName, myDescription, SupportedPermissions.basic);

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