C# 不使用 Split 函数将字符串转换为数组
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Convert string to array in without using Split function
提问by peanut
Is there any way to convert a string ("abcdef") to an array of string containing its character (["a","b","c","d","e","f"]) without using the String.Splitfunction?
有没有办法在不使用函数的情况下将字符串 ( "abcdef")转换为包含其字符 ( ["a","b","c","d","e","f"])的字符串数组String.Split？
采纳答案by jason
So you want an array of string, one chareach:
所以你想要一个数组string，char每个：
string s = "abcdef";
string[] a = s.Select(c => c.ToString()).ToArray();
This works because stringimplements IEnumerable<char>. So Select(c => c.ToString())projects each charin the stringto a stringrepresenting that charand ToArrayenumerates the projection and converts the result to an array of string.
这是有效的，因为string实现了IEnumerable<char>. 因此，将中的Select(c => c.ToString())每个投影到一个表示该并枚举投影并将结果转换为.charstringstringcharToArraystring
If you're using an older version of C#:
如果您使用的是旧版本的 C#：
string s = "abcdef";
string[] a = new string[s.Length];
for(int i = 0; i < s.Length; i++) {
a[i] = s[i].ToString();
}
回答by G-Wiz
Yes.
是的。
"abcdef".ToCharArray();
回答by Adam Gritt
You could use linq and do:
您可以使用 linq 并执行以下操作：
string value = "abcdef";
string[] letters = value.Select(c => c.ToString()).ToArray();
This would get you an array of strings instead of an array of chars.
这会给你一个字符串数组而不是一个字符数组。
回答by War
Bit more bulk than those above but i don't see any simple one liner for this.
比上面的要大一些，但我没有看到任何简单的单衬。
List<string> results = new List<string>;
foreach(Char c in "abcdef".ToCharArray())
{
results.add(c.ToString());
}
results.ToArray(); <-- done
What's wrong with string.split???
string.split 有什么问题？？？
回答by efren
Why don't you just
你为什么不只是
string value="abcd";
value.ToCharArray();
textbox1.Text=Convert.toString(value[0]);
to show the first letter of the string; that would be 'a' in this case.
显示字符串的第一个字母；在这种情况下，这将是“a”。
