Exception:解析表达式出错。 内部错误:Unexpected parser end with unresolved token left ")" at position 175 near ");". 原始表达式:string context = v_input.Replace(",", " ") .Split(new[] {'\r', '\n'}, StringSplitOptions.RemoveEmptyEntries) .JoinToString(","); Clipboard.SetText($"POLYGON (({context}))")); 开始位置:175 附近代码:);