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发表于 2012-11-13 08:48:12
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1判断语句
\7 @& J3 f; a* u$ x* H if <condition> then% C0 I# j5 p7 {
<statement sequence1>;
! x5 S2 a% M5 i2 n elseif <condition> then
' I; ?8 u9 V# _8 g/ s( O <statement sequence2>;
- ?( P$ f) O, w4 d, N+ z else
# Z& G0 U, t4 H6 ~# w <statement sequence3>;; N+ T- [$ T: @: H
end;
- ]1 u, R! _ }! Y如果分支比较多，用：" r* y; L$ t- J }& O3 g5 j- @
inspect <expression>: k' ]4 G5 r* N1 A" V
when <constant_list> then1 O4 |& V* T9 `1 I
<statement sequence1>;
. ?! x$ v4 g- i* C5 p3 J4 y& f when <constant_list> then
- f* Q; f {3 X3 a c" b3 ^$ A7 Q <statement sequence2>;
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else
. y8 V. ]( U ^& E/ Q' I <statement sequence3>;
9 ]9 Q2 F! V+ i3 pend;
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2循环语句% t! a# Y9 `: p* `) _
(1) from <statement sequence1>
2 L& x. [/ _" P, D until <condition> loop
2 U* H% o' X6 m" h <statement sequence2>;/ n/ j R/ V) Z
end;3 [% Z, y# k7 R1 l
(2) while <condition> loop
- G+ a: z; c- l: m6 y <statement sequence1>;
: X7 r1 }# Q; |/ k e& J end;
0 @+ v& H: l: ?4 C! K6 L) m+ L5 z (3) repeat
5 b% D2 s2 F4 I2 ^2 Q2 a4 U) ]( u <statement sequence1>;
6 L+ q6 v5 X' {1 c3 G until <condition>;
' J D& ~- P9 ?1 M2 f (4) for <condition> to <condition> loop
& e" Q$ {+ |2 a" r9 j* {3 \( C% Q <statement sequence1>;
8 G7 j, I) Z5 t% E. d, M( i# B$ p next;
! X1 i! p: o7 S( V* t9 t3中断语句
. W/ t/ [& d4 ]; Y1 D+ J5 U waituntil <condition> prio <integer expression>;% a% p! S; m- B
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以上为常用的函数！5 I6 H2 j0 g- a; j% A
还有很多，如有需要我把资料发到你邮箱里
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