在随机时间写入System.IO.IOException的c#异步文件

using System;
using System.IO;
using System.Threading.Tasks;

public class Program
{
    public static async Task Main()
    {
        try
        {
            await WriteFileAsync("example.txt", "Hello, World!");
            Console.WriteLine("File write completed successfully.");
        }
        catch (IOException ex)
        {
            Console.WriteLine("An IOException occurred: " + ex.Message);
        }
    }

    public static async Task WriteFileAsync(string filePath, string content)
    {
        // 模拟随机时间
        Random random = new Random();
        int delay = random.Next(1000, 5000);
        await Task.Delay(delay);

        // 写入文件
        using (StreamWriter writer = new StreamWriter(filePath))
        {
            await writer.WriteAsync(content);
        }
    }
}