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c# - 使用 Newtonsoft.Json 序列化和反序列化后,堆栈元素的顺序被颠倒

转载 作者:行者123 更新时间:2023-11-30 17:36:31 25 4
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序列化/反序列化时堆栈中元素的顺序被颠倒时出现问题。请参阅此演示以进行重现:

using System;
using System.Collections.Generic;
using Newtonsoft.Json;

namespace StackChecker
{
class Program
{
enum Screen
{
Unknown,
Bypass,
ClaimDetails,
ClaimSearch,
ClaimSearchResults,
PatientSearchResults
}

static void Main(string[] args)
{
var screens = new Stack<Screen>();
screens.Push(Screen.Unknown);
screens.Push(Screen.Bypass);
screens.Push(Screen.ClaimDetails);
screens.Push(Screen.ClaimSearch);
screens.Push(Screen.ClaimSearchResults);
screens.Push(Screen.PatientSearchResults);

foreach (var screen in screens)
{
Console.WriteLine("Screen {0}: {1}", (int)screen, screen);
}

var screenJson = JsonConvert.SerializeObject(screens);
Console.WriteLine("Screens Json: \"{0}\"", screenJson);

var screens2 = JsonConvert.DeserializeObject<Stack<Screen>>(screenJson);
foreach (var screen in screens2)
{
Console.WriteLine("Screen {0}: {1}", (int)screen, screen);
}

var screenJson2 = JsonConvert.SerializeObject(screens2);
Console.WriteLine("Screens Json: \"{0}\"", screenJson2);

Console.ReadLine();
}
}
}

输出如下:

Screen 5: PatientSearchResults
Screen 4: ClaimSearchResults
Screen 3: ClaimSearch
Screen 2: ClaimDetails
Screen 1: Bypass
Screen 0: Unknown
Screens Json: "[5,4,3,2,1,0]"
Screen 0: Unknown
Screen 1: Bypass
Screen 2: ClaimDetails
Screen 3: ClaimSearch
Screen 4: ClaimSearchResults
Screen 5: PatientSearchResults
Screens Json: "[0,1,2,3,4,5]"

那么,问题是 - 为什么顺序颠倒了? (我也用数组试过,可以证明数组元素没有反转)

这可以避免吗?
如果没有,有人想过一个优雅的解决方法吗?

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