如何将字符串写入ZipArchive流

using (var memoryStream = new MemoryStream())
{
    using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
    {
        // 在这里添加文件到ZipArchive对象
    }
    // 将ZipArchive对象写入文件或进行其他操作
}

var entry = archive.CreateEntry("filename.txt");
using (var writer = new StreamWriter(entry.Open()))
{
    writer.Write("Your string content");
}

archive.Dispose();

using (var memoryStream = new MemoryStream())
{
    using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
    {
        var entry = archive.CreateEntry("filename.txt");
        using (var writer = new StreamWriter(entry.Open()))
        {
            writer.Write("Your string content");
        }
    }
    // 将ZipArchive对象写入文件或进行其他操作
    // memoryStream.ToArray() 可以获取Zip文件的字节数组
}