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{| border="0" cellpadding="10" width="100%" |- |width="30%" valign="top" align="left"| <font color="orange" size="+1">'''描述'''</font> <br> <br> The String class, part of the core as of version 0019, allows you to use and manipulate strings of text in more complex ways than character arrays do. You can concatenate Strings, append to them, search for and replace substrings, and more. It takes more memory than a simple character array, but it is also more useful. For reference, character arrays are referred to as strings with a small s, and instances of the String class are referred to as Strings with a capital S. Note that constant strings, specified in "double quotes" are treated as char arrays, not instances of the String class. <font color="orange" size="+1">'''示例'''</font><br> :-[[ StringConstructors]] :-[[ StringAdditionOperator]] :-[[ StringIndexOf]] :-[[ StringAppendOperator]] :-[[ StringLengthTrim]] :-[[ StringCaseChanges]] :-[[ StringReplace]] :-[[ StringRemove]] :-[[ StringCharacters]] :-[[ StringStartsWithEndsWith]] :-[[ StringComparisonOperators]] :-[[ StringSubstring]] <br><br> <font color="orange" size="+1">'''另请参阅'''</font><br> :-[[ string]]: character arrays :-[[ Variable Declaration]] |width="10%" valign="top" align="left"| <!-- 空白 --> |width="30%" valign="top" align="left"| <font color="orange" size="+1">'''函数'''</font><br> <br> :-[[String-String()| String()]] :-[[String.charAt()| charAt()]] :-[[String.compareTo()| compareTo()]] :-[[String.concat()| concat()]] :-[[String.c_str()| c_str()]] :-[[String.endsWith()| endsWith()]] :-[[String.equals()| equals()]] :-[[String.equalsIgnoreCase()| equalsIgnoreCase()]] :-[[String.getBytes()| getBytes()]] :-[[String.indexOf()| indexOf()]] :-[[String.lastIndexOf()| lastIndexOf()]] :-[[String.length()| length()]] :-[[String.remove()| remove()]] :-[[String.replace()| replace()]] :-[[String.reserve()| reserve()]] :-[[String.setCharAt()| setCharAt()]] :-[[String.startsWith()| startsWith()]] :-[[String.substring()| substring()]] :-[[String.toCharArray()| toCharArray()]] :-[[String.toInt()| toInt()]] :-[[String.toFloat()| toFloat()]] :-[[String.toLowerCase()| toLowerCase()]] :-[[String.toUpperCase()| toUpperCase()]] :-[[String.trim()| trim()]] <br><br> <font color="orange" size="+1">'''运算符'''</font><br> <br> :-[[String - element access| [] (element access)]] :-[[String - concatenation| + (concatenation)]] :-[[String - append| += (append)]] :-[[String - comparison| == (comparison)]] :-[[String - greater than| > (greater than)]] :-[[String - greater than or equal to| >= (greater than or equal to)]] :-[[String - less than| < (less than)]] :-[[String - less than or equal to| <= (less than or equal to)]] :-[[String - different from| != (different from)]] |width="10%" valign="top" align="left"| <!-- 空白 --> |} ---- [[Arduino语法参考 | 返回Arduino语法参考列表]] 更多建议和问题欢迎反馈至 [http://www.yfrobot.com YFRobot论坛]
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