在ASP .NET MVC中将用户登录尝试记录到文本文件中

string filePath = Server.MapPath("~/App_Data/login_attempts.txt");
File.WriteAllText(filePath, "");

string filePath = Server.MapPath("~/App_Data/login_attempts.txt");
string username = "用户的用户名";
string timestamp = DateTime.Now.ToString();
string logMessage = $"用户 {username} 在 {timestamp} 尝试登录。";
using (StreamWriter writer = new StreamWriter(filePath, true))
{
    writer.WriteLine(logMessage);
}

string filePath = Server.MapPath("~/App_Data/login_attempts.txt");
string logContent = File.ReadAllText(filePath);
ViewBag.LogContent = logContent;