[英]Loop is not storing data in array correctly C#
嘿伙計們,我目前正在為一個班級項目制定銀行計划。 如果用戶尚未創建帳戶,則需要創建一個帳戶,但如果他們已經創建,則只需使用帳號和密碼登錄即可。 然而。 而不是我的程序不斷向大小為 100 的數組添加數據,它只是替換插槽 [0] 中的數據,只是想知道為什么。
public partial class Form1 : MetroForm
{
//For Creating new account
string newAccountType;
Accounts[] customers = new Accounts[99999];
int temp;
string VerifyPin = ("");
private void openAccount_Click(object sender, EventArgs e)
{
for (int index=0;index < customers.Length; ++index)
{
var R1 = new Random();
var R2 = new Random();
customers[index] = new Accounts();
customers[index].Name = newName.Text;
customers[index].accountType = newAccountType;
customers[index].accountNumber = (R1.Next(1000000,9000000))+(R2.Next(100,9000));
customers[index].accountPin = createPin.Text;
customers[index].accountBalance = 100.00;
temp = index;
}
MetroMessageBox.Show(this, "Thank you member "+customers[temp].Name+"\nYour member number is: "+customers[temp].accountNumber, "You are now a memeber", MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk);
metroTabControl1.SelectedTab = metroTabPage2;
}
private void checkBalance_Click(object sender, EventArgs e)
{
int veri=0;
bool isfound = false;
for (int count = 0; count < customers.Length; ++count)
{
if (Convert.ToInt32(userName.Text) == customers[count].accountNumber)
{
veri = count;
isfound = true;
}
else
isfound = false;
accountnotfound.Text = "Account Not Found";
}
if (isfound && (customers[veri].accountPin == pinText.Text))
{
MetroMessageBox.Show(this, "account found", "account found");
}
else
{
MetroMessageBox.Show(this, "account not found or wrong pin", "account not found");
pinText.Text = "";
}
accountBalance.Visible = true;
userWithdraw.Visible = true;
userDeposite.Visible = true;
accountBalance.Text = "Welcome, "+customers[veri].Name+"\nYour current balance is: "+customers[veri].accountBalance;
}
public class Accounts
{
private string name, AccountType, AccountPin;
private int AccountNumber;
private double AccountBalance;
public string Name
{
get
{
return name;
}
set
{
name = value;
}
}
public int accountNumber
{
get
{
return AccountNumber;
}
set
{
AccountNumber = value;
}
}
public string accountPin
{
get
{
return AccountPin;
}
set
{
AccountPin = value;
}
}
public string accountType
{
get
{
return AccountType;
}
set
{
AccountType = value;
}
}
public double accountBalance
{
get
{
return AccountBalance;
}
set
{
AccountBalance = value;
}
}
}
for (int index=0;index < customers.Length; ++index)
customers[index] = new Accounts();
每次數組循環時,索引將為 0,因此每次調用 openAccount_Click 時都會替換 customers[0]。
你真的不需要循環添加。 您只需要確保您正在編寫下一個可能的索引。 也許使用您的 Temp 變量並為每個添加的用戶增加它 + 1,然后沒有循環就這樣做。
customers[Temp] = new Accounts();
customers[Temp].Name = newName.Text;
customers[Temp].accountType = newAccountType;
customers[Temp].accountNumber = (R1.Next(1000000,9000000))+ (R2.Next(100,9000));
customers[Temp].accountPin = createPin.Text;
customers[Temp].accountBalance = 100.00;
Temp += 1;
您最好為您的全球客戶使用帳戶列表。
List<Accounts> customers = new List<Accounts>();
然后在 openAccount_Click 中,您可以像這樣添加一個新帳戶。
customers.Add(new Accounts {
Name = newName.Text,
accountType = newAccountType,
accountNumber = (R1.Next(1000000,9000000))+(R2.Next(100,9000)),
accountPin = createPin.Text,
accountBalance = 100.00
});
我認為您只需要跟蹤數組中的哪個元素可用(即具有空值)。 一旦數組中沒有元素為空,這意味着客戶數組已滿,因此此時您無法添加更多客戶。
進行以下更改。 在代碼開始循環的部分代碼中:
bool added = false;
for (int index=0;index < customers.Length; ++index)
{
if (customers[index] != null) continue;
...
此外,在您實際添加客戶后,請執行以下操作(在循環結束后立即執行):
if (!added)
{
// show error message here!
}
else
{
MetroMessageBox.Show(this, "Thank you member "+customers[temp].Name+"\nYour member number is: "+customers[temp].accountNumber, "You are now a memeber", MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk);
metroTabControl1.SelectedTab = metroTabPage2;
}
布爾添加 = 假; for (int x = 0; x <= temp; x++)
{
if (customers[temp] != null) continue;
{
for (int indexies = 0; indexies < customers.Length; indexies++)
{
var R1 = new Random();
var R2 = new Random();
Convert.ToInt32(createPin.Text);
customers[temp] = new Accounts();
customers[temp].Name = newName.Text;
customers[temp].accountType = newAccountType;
customers[temp].accountNumber = 1;//(R1.Next(1000000, 9000000)) + (R2.Next(100, 9000));
customers[temp].accountPin = Convert.ToInt32(createPin.Text);
customers[temp].accountBalance = 100.00;
added = true;
}
}
}
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