如何根据用户授权动态jsonignore? [英] how to dynamic jsonignore according to user authorize?

问题描述

我使用Metadata和JsonIgnore从序列化中删除特殊字段.

I use Metadata and JsonIgnore to remove special field from being serializing.

[Authorize(Roles = "admin")]
public class UserController : ApiController
{
    public IEnumerable<user> Get()
    {
        using (var mydb = new ModelContainer())
        {
            return mydb.userSet.ToList();
        }
    }
}

[MetadataType(typeof(user_Metadata))]  
public partial class user
{  
    private class user_Metadata  
    {  
        [JsonIgnore]  
        public virtual password { get; set; }  

        public virtual adminFile { get; set; }  
    }  
}  

如何动态控制应序列化或不序列化的字段.对于诸如

How can I dynamic control which field should be serialized or not. For some thing like

public partial class user
{  
    private class user_Metadata  
    {  
        [JsonIgnore]  
        public virtual password { get; set; }  
        [Roes == admin?JsonIgnore:JsonNotIgnore] //some thing like this
        public virtual adminFile { get; set; }  
    }  
} 

推荐答案

有条件的属性序列化

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