Foreach,只有一个 DisplayAlert 弹出窗口?
Foreach, With only one DisplayAlert Popup?
大家好,我正在尝试找出一种方法,当有人在登录过程中输入错误的详细信息时显示 DisplayAlert 弹出窗口。
问题是,登录名有点 "Weird" 我不是在与数据库进行比较,而是在与我从 APi 获得的客户列表进行比较,所以我必须循环扔到然后查看详细信息是否正确。
我有一个针对 Wordpress API 检查的登录阶段 1(),但我希望它能够在阶段 1 和阶段 2 上进行通知,阶段 1 是用户名 = 用户名密码 = 密码在哪里第 2 阶段只是一个 Username = Username ,我知道它不安全登录更像是一种形式。
public async void Login_Phase1()
{
try
{
#region Login Phase 1
var client = new WordPressClient("http://XXX.co.za/wp-json/");
client.AuthMethod = AuthMethod.JWT;
try
{
await client.RequestJWToken(Usernamelabel.Text, Password.Text);
}
catch (Exception e)
{
await App.Current.MainPage.DisplayAlert("Something Went wrong", e.ToString(), "OK");
}
var x = client;
var isValidToken = await client.IsValidJWToken();
WpApiCredentials.token = client.GetToken();
if (isValidToken)
{
Login_Phase2();
}
else
{
await App.Current.MainPage.DisplayAlert("Detail's are Incorect", "Token not Found", "OK");
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
#endregion
}
public void Login_Phase2()
{
try
{
#region login Phase 2
var list = FetchCustomers.customers.ToList();
foreach (var user in list)
{
if (user.username == Usernamelabel.Text)
{
Preferences.Set("CId", user.id.ToString());
Preferences.Set("Token", WpApiCredentials.token);
Preferences.Set("CUsername", user.username);
Preferences.Set("CEmail", user.email);
Users.Loggedin = true;
Application.Current.SavePropertiesAsync();
App.Current.MainPage.DisplayAlert("Complete", "Login Process Complete, Enjoy", "OK");
App.Current.MainPage = new Home("Mica Market");
}
//Want to add a Display popup Here to say the information is entered incorrectly, but
not have it repeat 200 Time's
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
#endregion
}
获取所有客户以进行检查
private async void ExtractWooData(List<Customer> x)
{
try
{
#region FetchC
RestAPI rest = new RestAPI("http://xxxxxx/wp-json/wc/v3/", "ck_a25xxxxxxxxxxx0", "cs_8xxxxxxxx8xxxx");
WCObject wc = new WCObject(rest);
int pageNum = 1;
var isNull = false;
List<Customer> oldlist;
while (!isNull)
{
var page = pageNum.ToString();
x = await wc.Customer.GetAll(new Dictionary<string, string>() {
{
"page", page
}, {
"per_page", "100"
}
});
oldlist = FetchCustomers.customers ?? new List<Customer>();
if (x.Count == 0)
{
break;
}
else
{
//1st loop customers needs to = 100
//2nd loop oldist needs to = 40+
//If count = 0 then => Combine Customers + Oldist
pageNum++;
FetchCustomers.customers = oldlist.Union(x).ToList();
}
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
#endregion
}
有什么建议吗?
您可以将 foreach
替换为 LINQ
查询
// find the first match
var found = list.Where(user => user.username == Usernamelabel.Text).FirstOrDefault();
if (found != null)
{
// set preferences and navigation
}
else
{
// DisplayAlert
}
大家好,我正在尝试找出一种方法,当有人在登录过程中输入错误的详细信息时显示 DisplayAlert 弹出窗口。
问题是,登录名有点 "Weird" 我不是在与数据库进行比较,而是在与我从 APi 获得的客户列表进行比较,所以我必须循环扔到然后查看详细信息是否正确。
我有一个针对 Wordpress API 检查的登录阶段 1(),但我希望它能够在阶段 1 和阶段 2 上进行通知,阶段 1 是用户名 = 用户名密码 = 密码在哪里第 2 阶段只是一个 Username = Username ,我知道它不安全登录更像是一种形式。
public async void Login_Phase1()
{
try
{
#region Login Phase 1
var client = new WordPressClient("http://XXX.co.za/wp-json/");
client.AuthMethod = AuthMethod.JWT;
try
{
await client.RequestJWToken(Usernamelabel.Text, Password.Text);
}
catch (Exception e)
{
await App.Current.MainPage.DisplayAlert("Something Went wrong", e.ToString(), "OK");
}
var x = client;
var isValidToken = await client.IsValidJWToken();
WpApiCredentials.token = client.GetToken();
if (isValidToken)
{
Login_Phase2();
}
else
{
await App.Current.MainPage.DisplayAlert("Detail's are Incorect", "Token not Found", "OK");
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
#endregion
}
public void Login_Phase2()
{
try
{
#region login Phase 2
var list = FetchCustomers.customers.ToList();
foreach (var user in list)
{
if (user.username == Usernamelabel.Text)
{
Preferences.Set("CId", user.id.ToString());
Preferences.Set("Token", WpApiCredentials.token);
Preferences.Set("CUsername", user.username);
Preferences.Set("CEmail", user.email);
Users.Loggedin = true;
Application.Current.SavePropertiesAsync();
App.Current.MainPage.DisplayAlert("Complete", "Login Process Complete, Enjoy", "OK");
App.Current.MainPage = new Home("Mica Market");
}
//Want to add a Display popup Here to say the information is entered incorrectly, but
not have it repeat 200 Time's
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
#endregion
}
获取所有客户以进行检查
private async void ExtractWooData(List<Customer> x)
{
try
{
#region FetchC
RestAPI rest = new RestAPI("http://xxxxxx/wp-json/wc/v3/", "ck_a25xxxxxxxxxxx0", "cs_8xxxxxxxx8xxxx");
WCObject wc = new WCObject(rest);
int pageNum = 1;
var isNull = false;
List<Customer> oldlist;
while (!isNull)
{
var page = pageNum.ToString();
x = await wc.Customer.GetAll(new Dictionary<string, string>() {
{
"page", page
}, {
"per_page", "100"
}
});
oldlist = FetchCustomers.customers ?? new List<Customer>();
if (x.Count == 0)
{
break;
}
else
{
//1st loop customers needs to = 100
//2nd loop oldist needs to = 40+
//If count = 0 then => Combine Customers + Oldist
pageNum++;
FetchCustomers.customers = oldlist.Union(x).ToList();
}
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
#endregion
}
有什么建议吗?
您可以将 foreach
替换为 LINQ
查询
// find the first match
var found = list.Where(user => user.username == Usernamelabel.Text).FirstOrDefault();
if (found != null)
{
// set preferences and navigation
}
else
{
// DisplayAlert
}