public async void init(string did)
{
state = new bool[50];
for (int i = 0; i < 50; i++)
{
state[i] = false;
}
var result = await HttpUtil.GetDuties(did);
if ((bool)result["ok"])
{
JArray duties = (JArray)result["duties"];
JArray counts = (JArray)result["counts"];
for (var i = 0; i < duties.Count; i++)
{
DutyItem D = new DutyItem();
D.cno = (int)duties[i]["dno"];
D.name = (string)duties[i]["name"];
long second = (long)duties[i]["time"];
D.time = new DateTime(second);
D.note = (string)duties[i]["note"];
dutyitems.Add(D);
}
for (var i = 0; i < counts.Count; i++)
{
CountItem C = new CountItem();
C.count = (int)counts[i]["count"];
C.name = (string)counts[i]["name"];
C.no = (int)counts[i]["mno"];
countitems.Add(C);
}
}
else
{
var md = new MessageDialog("duty models init fail!!").ShowAsync();
return;
}
result = await HttpUtil.GetMembers(App.account);
if ((bool)result["ok"])
{
JArray member = (JArray)result["members"];
for (var i = 0; i < member.Count; i++)
{
string mno = (string)member[i]["mno"];
MemberItem m = new MemberItem();
m.name = (string)member[i]["name"];
long second = (long)member[i]["birth"];
m.birth = new System.DateTime(second);
m.pic = new System.Uri("http://www.sysu7s.cn:3000/api/dormitory//get-member-image/" + App.account + "/" + mno);
m.location = (string)member[i]["location"];
memberitems.Add(m);
}
}
}
private async void RandomButton_Click(object sender, RoutedEventArgs e)
{
//总次数倒数之和
double TotalCount = 0;
double random = 0;
//概率模型
double[] pro = new double[ViewModel.countitems.Count];
for (int i = 0; i < ViewModel.countitems.Count; i++)
{
double a = 1.0 / (double)ViewModel.countitems[i].count;
TotalCount += a;
}
for (int i = 0; i < ViewModel.countitems.Count; i++)
{
double a = 1.0 / (double)ViewModel.countitems[i].count;
if (i == 0)
{
pro[i] = a / TotalCount;
}
else
{
pro[i] = a / TotalCount + pro[i - 1];
}
}
Random ro = new Random();
random = ro.NextDouble();
int no = 0;
for (int i = 0; i < ViewModel.countitems.Count; i++)
{
if (random < pro[i])
{
no = i;
break;
}
}
while (ViewModel.state[no] == false)
{
ro = new Random();
random = ro.NextDouble();
no = 0;
for (int i = 0; i < ViewModel.countitems.Count; i++)
{
if (random < pro[i])
{
no = i;
for (int j = 0; i < ViewModel.state.Length; i++)
{
ViewModel.state[i] = false;
}
break;
}
}
}
this.pict.Source = new BitmapImage(ViewModel.memberitems[no].pic);
//(pict.Source as BitmapImage).UriSource = ViewModel.memberitems[no].pic;
DateTime date = DateTime.Now;
string note = Note.Text;
var result = await HttpUtil.GetMemberNames(App.account); //狗哥把这段改为直接从mem_List拿名字
string name = (string)result["names"][no];
DutyItem D = new DutyItem(no, name, date, note);
ViewModel.dutyitems.Add(D);
await HttpUtil.AddDuty(App.account, no, D);
}