private void btnLogin_Click(object sender, EventArgs e)
{
if (tbUsername.Text == "")
{
MessageBox.Show("请输入用户名！");
return;
}
if (tbPassword.Text == "")
{
MessageBox.Show("请输入密码！");
return;
}
Database db = new Database();
DatabaseStatus status = db.Login(tbUsername.Text, tbPassword.Text);
if (status == DatabaseStatus.WrongPassword)
{
MessageBox.Show("密码错误！");
}
if (status == DatabaseStatus.Success)
{
ContactList formContact = new Contacts.ContactList(db);
formContact.Show();
this.Hide();
}
if (status == DatabaseStatus.UserNotExists)
{
MessageBox.Show("用户不存在");
}
}
public void CalculateRoute(Contacts.ContactList contacts)
{
Distance = 0;
contacts = FilterEmptyNames(contacts);
MapURL = CreateURL(contacts);
if (contacts.Count == 0)
{
return;
}
NamesVisited.Clear();
foreach (Contacts.Contact con in contacts)
{
NamesVisited.Add(con.Name);
}
DirectionsRequest req = new DirectionsRequest();
req.Origin = contacts[0].Address;
req.Destination = contacts[contacts.Count - 1].Address;
if (contacts.Count > 2)
{
List <string> waypoints = new List <string>();
for (int i = 1; i < contacts.Count - 1; i++)
{
waypoints.Add(contacts[i].Address);
}
req.Waypoints = waypoints.ToArray();
}
double dist = 0;
List <Location> locations = new List <Location>();
DirectionsResponse resp = GoogleMapsApi.MapsAPI.GetDirections(req);
foreach (Route r in resp.Routes)
{
foreach (Leg l in r.Legs)
{
locations.Add(l.StartLocation);
locations.Add(l.EndLocation);
dist += l.Distance.Value;
}
}
Distance = dist / 1000;
}
public string CreateURL(Contacts.ContactList contacts)
{
contacts = FilterEmptyNames(contacts);
MapURL = "http://maps.google.com/";
if (contacts.Count == 0)
{
return(MapURL);
}
MapURL += "?saddr=" + contacts[0].Address;
MapURL += "&daddr=";
if (contacts.Count > 2)
{
for (int i = 1; i < contacts.Count - 1; i++)
{
MapURL += contacts[i].Address + "+to:";
}
}
MapURL += contacts[contacts.Count - 1].Address;
MapURL = MapURL.Replace("\n", ",");
return(MapURL);
}
private Contacts.ContactList FilterEmptyNames(Contacts.ContactList contacts)
{
Contacts.ContactList ret = new Contacts.ContactList(contacts);
ret.RemoveAll(p => string.IsNullOrWhiteSpace(p.Name));
return ret;
}
private Contacts.ContactList FilterEmptyNames(Contacts.ContactList contacts)
{
Contacts.ContactList ret = new Contacts.ContactList(contacts);
ret.RemoveAll(p => string.IsNullOrWhiteSpace(p.Name));
return(ret);
}
