Pascal - Case Else 语句
case-else 语句在 case 标签后使用 else 术语,就像 if-then-else< /b> 构造。
语法
case-else 语句的语法是 −
case (expression) of L1 : S1; L2 : S2; ... ... Ln: Sn; else Sm; end;
流程图

示例
下面的例子说明了这个概念
program checkCase; var grade: char; begin grade := 'F'; case (grade) of 'A' : writeln('Excellent!' ); 'B', 'C': writeln('Well done' ); 'D' : writeln('You passed' ); else writeln('You really did not study right!' ); end; writeln('Your grade is ', grade ); end.
当上面的代码被编译并执行时,会产生以下结果 −
You really did not study right! Your grade is F