String.charAt()

String

String() 描述 Access a particular character of the String. 语法 string.charAt(n) 参数 string: a variable of type String n: the character to access 返回值 the n'th character of the String 返回String 返回Arduino语法参考列表 更多建议和问题欢迎反馈至 YFRobot论坛