Trim 切除首尾指定字符
var newStr="";
char[] trimChars={'@','#','$',' '};
string strC="@Hello# $";
newStr=strC.Trim(trimChars);
Console.WriteLine(newStr);//"Hello"
var newStr="";
char[] trimChars={'@','#','$',' '};
string strC="@Hello# $";
newStr=strC.Trim(trimChars);
Console.WriteLine(newStr);//"Hello"