C# 与带有分隔符的 String.Split 相对 (.net)
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Opposite of String.Split with separators (.net)
提问by robintw
Is there a way to do the opposite of String.Splitin .Net? That is, to combine all the elements of an array with a given separator.
有没有办法String.Split在 .Net 中做相反的事情？也就是说，将数组的所有元素与给定的分隔符组合在一起。
Taking ["a", "b", "c"]and giving "a b c"(with a separator of " ").
接受["a", "b", "c"]和给予"a b c"（用 分隔符" "）。
UPDATE:I found the answer myself. It is the String.Joinmethod.
更新：我自己找到了答案。这是String.Join方法。
采纳答案by robintw
Found the answer. It's called String.Join.
找到了答案。它被称为String.Join。
回答by budi
You can use String.Join:
您可以使用String.Join：
string[] array = new string[] { "a", "b", "c" };
string separator = " ";
string joined = String.Join(separator, array); // "a b c"
Though more verbose, you can also use a StringBuilderapproach:
虽然更冗长，但您也可以使用一种StringBuilder方法：
StringBuilder builder = new StringBuilder();
if (array.Length > 0)
{
builder.Append(array[0]);
}
for (var i = 1; i < array.Length; ++i)
{
builder.Append(separator);
builder.Append(array[i]);
}
string joined = builder.ToString(); // "a b c"
