wpf C#中将字符串转换为int
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Converting strings to int in C#
提问by Simon Surename
im pretty new to C# and i want to make a cardgame. What i have is a list of cards (strings) with names like c6, s3, h11, d13where the character represents the colourand the number represents the value. When pressing a button the program takes a random string from the list and displays it in a textbox. From there the point of the game is to guess if the next random card will have a higher value or a lower value then the previous card.
我对 C# 很陌生，我想做一个纸牌游戏。我所拥有的是一张卡片（字符串）列表，其名称类似于c6, s3, h11, d13wherecharacter represents the colour和number represents the value. 当按下按钮时，程序从列表中随机抽取一个字符串并将其显示在文本框中。从那里开始，游戏的重点是猜测下一张随机卡的值是比前一张卡更高还是更低。
What i want to do is to take the string from the textbox and turn it into a int so that i can compare the value of the previous card with the new one. Only problem is how do i get rid of the cin c6so i can convert it by using parse.
我想要做的是从文本框中取出字符串并将其转换为 int，以便我可以将前一张卡片的值与新卡片的值进行比较。唯一的问题是我如何摆脱cinc6以便我可以使用parse.
This is my code.
这是我的代码。
public partial class MainWindow : Window
{
static Random rndmlist = new Random();
Random rndm = new Random();
List<string> deck = new List<string>();
int score = 0;
public MainWindow()
{
InitializeComponent();
}
private void test_Click(object sender, RoutedEventArgs e)
{
//disregard this
foreach (string j in deck)
{
testbox.Text += j + ", ";
}
}
private void btnstart_Click(object sender, RoutedEventArgs e)
{
//this is where i add all the cards to the list
for (int i = 1; i <= 13;)
{
deck.Add("c" + i);
i++;
}
for (int i = 1; i <= 13; )
{
deck.Add("s" + i);
i++;
}
for (int i = 1; i <= 13; )
{
deck.Add("h" + i);
i++;
}
for (int i = 1; i <= 13; )
{
deck.Add("d" + i);
i++;
}
}
private void btnbegin_Click(object sender, RoutedEventArgs e)
{
//this is where i take a random card from the list and display it in textBox2
int r = rndmlist.Next(deck.Count);
textBox2.Text = ((string)deck[r]);
//disregard this
testbox.Text += ((string)deck[r]) + ", ";
deck.Remove((string)deck[r]);
}
private void btnhigh_Click(object sender, RoutedEventArgs e)
{
//this is where i want to compare the cards.
}
}
Thank you in advance for reading this. (:
预先感谢您阅读本文。(:
采纳答案by Leep
Try this,
尝试这个，
string SubString = MyString.Substring(1);
But take care if the string is empty, it is an error case.
但要注意字符串是否为空，这是一个错误案例。
回答by Andrey Gordeev
I'd better create a class Card, which represents a card, with 2 properties: Colorand Numberand implemented method Card.ParseFromString()
我最好创建一个类Card，它代表了一张名片，2个属性：Color和Number实施方法Card.ParseFromString()
回答by Theodoros Chatzigiannakis
Assuming there will always be one (and only one) character before the number, you can simply do this:
假设数字前总是有一个（并且只有一个）字符，您可以简单地执行以下操作：
string numberAsString = "c2".Substring(1);
And to make that an int:
并使其成为int：
int number = Int32.Parse(numberAsString);
回答by adt
string str = "c12";
var noChars = str.SubString(1); // take a new string from index 1
var number = Int32.Parse(noChars);
回答by Wesley Lomax
You can use Regex to replace all alpha characters eg
您可以使用 Regex 替换所有字母字符，例如
string result = Regex.Replace(myString, @"[a-zA-Z\s]+", string.Empty);
