基于netcore配置框架的文件监控帮助类 XQX

/// <summary>
/// 基于netcore配置框架的文件监控帮助类 XQX
/// </summary>
public class FileWatchHelper<T>
{
private IConfiguration _configuration;
/// <summary>
/// 文件实体
/// </summary>
public T FileEntity = (T)Activator.CreateInstance(typeof(T));
/// <summary>
/// 构造方法
/// </summary>
/// <param name="path">文件路径</param>
/// <param name="optional">文件是否可选</param>
/// <param name="reloadOnChange">是否热更新</param>
/// <param name="action">文件变化时触发的事件</param>
/// <param name="key">节点位置</param>
public FileWatchHelper(string path, Action action = null, string key = "", bool optional = false, bool reloadOnChange = true)
{
var builder = new ConfigurationBuilder()
.AddJsonFile(path, optional: false, reloadOnChange: true);

_configuration = builder.Build();
if (key == "")
{
//绑定实体
_configuration.Bind(FileEntity, BinderOptions => { BinderOptions.BindNonPublicProperties = true; });
}
else
{
//绑定实体
_configuration.GetSection(key).Bind(FileEntity, BinderOptions => { BinderOptions.BindNonPublicProperties = true; });
}

#region 监听文件的改动
ChangeToken.OnChange(() => _configuration.GetReloadToken(), () =>
{
if (key == "")
{
//绑定实体
_configuration.Bind(FileEntity, BinderOptions => { BinderOptions.BindNonPublicProperties = true; });
}
else
{
//绑定实体
_configuration.GetSection(key).Bind(FileEntity, BinderOptions => { BinderOptions.BindNonPublicProperties = true; });
}
action?.Invoke();
});
#endregion
}
}