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Arduino示例代码讲解:String replace字符串替换
- String replace() 字符串替换
- 代码功能概述
- 功能:
- 硬件要求:
- 输出:
- 代码结构
- `setup()` 函数
- `loop()` 函数
- 替换子字符串:
- 替换单个字符:
- 无限循环:
- 运行过程
- 输出结果解释
- 原始字符串:
- 替换后的字符串:
- 原始字符串:
- 替换后的字符串:
- 注意事项
String replace() 字符串替换
/*String replace()Examples of how to replace characters or substrings of a stringcreated 27 July 2010modified 2 Apr 2012by Tom Igoehttp://arduino.cc/en/Tutorial/StringReplaceThis example code is in the public domain.*/void setup() {// Open serial communications and wait for port to open:Serial.begin(9600);while (!Serial) {; // wait for serial port to connect. Needed for Leonardo only}// send an intro:Serial.println("\n\nString replace:\n");Serial.println();
}void loop() {String stringOne = "<html><head><body>";Serial.println(stringOne);// replace() changes all instances of one substring with another:// first, make a copy of th original string:String stringTwo = stringOne;// then perform the replacements:stringTwo.replace("<", "</");