static void Main(string[] args)
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
// Console.WriteLine("Hello World!");
ProducerConfig config = new ProducerConfig()
{
BootstrapServers = "172.20.90.54:9092"
};
using (var productor = new ProducerBuilder <Null, string>(config).Build())
{
Random random = new Random();
var cancelled = false;
System.Console.CancelKeyPress += (_, e) =>
{
e.Cancel = true; // prevent the process from terminating.
cancelled = true;
};
while (!cancelled)
{
var student = new CollegeStudents()
{
ClassName = "三年级一班", Counselor = ChineseNameGenerater.GetChineseName(), Name = ChineseNameGenerater.GetChineseName(), Address = "浙江省杭州市", Age = random.Next(20, 100)
};
System.Console.WriteLine($"---->{student.ToString()}");
productor.Produce(topic: nameof(CollegeStudents), new Message <Null, string>()
{
Value = student.ToString()
});
Thread.Sleep(1000);
}
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.LogInformation("Data init Start ....");
long num = 0;
while (!stoppingToken.IsCancellationRequested)
{
num += 1;
CollegeStudents student = new CollegeStudents()
{
Name = ChineseNameGenerater.GetChineseName(), Age = new Random().Next(1, 100), Address = "浙江省", ClassName = "三年级一班", Counselor = "陈进"
};
try
{
await _producer.ProduceAsync(nameof(CollegeStudents).ToLower(), new Message <Null, CollegeStudents>()
{
Value = student
});
_logger.LogInformation($"{{name:{student.Name},age:{student.Age},addrss:{student.Address}}}");
}
catch (System.Exception ex)
{
_logger.LogError(ex.Message);
}
await Task.Delay(100, stoppingToken);
}
_logger.LogInformation("Service stopping");
}
//Silme fonksiyonunu yazalım :
public void Delete(CollegeStudents collegeStudents)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(collegeStudents);
entity.State = EntityState.Deleted;
context.SaveChanges();
}
}
//Ekleme fonksiyounu yazalım
public void Add(CollegeStudents collegeStudents)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
context.CollegeStudents.Add(collegeStudents);
context.SaveChanges();
//var entity = context.Entry(collegeStudents);
//entity.State = EntityState.Added;
//context.SaveChanges();
}
}
