C++ case 关键字

定义和用法

case 关键字用于在 switch 语句中标记一段代码块。

实例

计算星期几的名称：

int day = 4;
switch (day) {
  case 1:
    cout << "Monday";
    break;
  case 2:
    cout << "Tuesday";
    break;
  case 3:
    cout << "Wednesday";
    break;
  case 4:
    cout << "Thursday";
    break;
  case 5:
    cout << "Friday";
    break;
  case 6:
    cout << "Saturday";
    break;
  case 7:
    cout << "Sunday";
    break;
}
// 输出 "Thursday" (day 4)

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相关页面

教程：C++ switch