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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句9 Z5 ^' h- O2 i( i3 C: f$ m
if <condition> then
8 B' ?$ ?) r3 W* V, W <statement sequence1>;
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<statement sequence2>;5 W( N: N( w+ s `* J m
else
/ ?! W7 C6 B$ \5 Z% T. l$ I+ K <statement sequence3>;: C7 ` L$ f8 m5 k- D5 ~1 O6 e6 H
end;
! l/ c9 I/ s: X, W( z6 `( Z如果分支比较多，用：
; d( T5 _7 U9 u" P inspect <expression>6 L% O3 X# n) I& c" a, w2 b; K: s
when <constant_list> then4 H9 S8 C' z( @* ^
<statement sequence1>;
6 m9 x4 C3 l4 Q+ K6 K4 w when <constant_list> then
0 x* T4 ]# ^, w+ F G <statement sequence2>;8 B$ m0 i% O' l, ^! R0 i. L
...+ z) ~/ p/ F" O
else4 M8 l' {( I2 f
<statement sequence3>;* E1 r% S! c4 \
end;
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2循环语句
! N" y4 o {' ` (1) from <statement sequence1>
3 ^/ q+ V& y. K' e6 f/ B6 |/ G* T4 @ until <condition> loop$ \' \' F2 F3 D7 w/ P1 m8 ]
<statement sequence2>;6 z4 |" m/ Q# i1 ?/ }7 s8 ?
end;
: r8 ]( g" t/ W/ E0 u1 R8 A (2) while <condition> loop: e O9 H# w8 M( }6 _/ Z1 E; }, }" B
<statement sequence1>;
6 ^* O: L4 [5 s5 q end;: p% d4 X I- @9 O: j
(3) repeat P3 c1 O. t) k8 [
<statement sequence1>;
C- I2 \# w; B6 N6 {' p, H until <condition>;
2 i8 J# g6 S# l, }5 |1 E (4) for <condition> to <condition> loop
2 c* ^3 j- ^, Y* a- W <statement sequence1>;
% e' C( z% l+ p/ w next;4 W$ r+ x; w) z; }: }8 D, n& L
3中断语句5 I. V) g* o* i- k3 ?
waituntil <condition> prio <integer expression>;
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5 O( Q8 d0 r; Z5 r# F以上为常用的函数！% z0 X3 m0 Z# u- S5 k2 ~
还有很多，如有需要我把资料发到你邮箱里 " d; r( l, W c0 b% O
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