该String.Join方法将帮助我们从数组或字符列表或字符串构造字符串。此方法接受两个参数。第一个是定界符或分隔符,它将帮助您分隔数组中的每个元素。第二个参数是数组本身。
来自的字符串char array:
string delimiter=",";
char[] charArray = new[] { 'a', 'b', 'c' };
string inputString = String.Join(delimiter, charArray);输出:a,b,c如果我们更改delimiteras,""则输出将变为abc。
来自的字符串List of char:
string delimiter = "|";
List<char> charList = new List<char>() { 'a', 'b', 'c' };
string inputString = String.Join(delimiter, charList);输出:a|b|c
来自的字符串List of Strings:
string delimiter = " ";
List<string> stringList = new List<string>() { "Ram", "is", "a","boy" };
string inputString = String.Join(delimiter, stringList);输出:Ram is a boy
来自的字符串array of strings:
string delimiter = "_";
string[] stringArray = new [] { "Ram", "is", "a","boy" };
string inputString = String.Join(delimiter, stringArray);输出:Ram_is_a_boy