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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
- B/ k3 @) n5 {1 n+ P" I8 N if <condition> then6 \ X4 [$ L$ W3 d- ?! R
<statement sequence1>;: V5 l6 W$ Y6 }) E3 H. P# X
elseif <condition> then/ o6 v6 F! Q0 ^1 n. ^
<statement sequence2>;4 i2 M( C; I& O% W |
else
: P9 C+ e7 D3 W! m <statement sequence3>;* ^, T* y* `3 \! L' i. B0 W
end;
2 K, ^$ s$ F7 f如果分支比较多，用：
, A5 q2 {: a" q1 a inspect <expression># M2 U5 }1 s* Z# Y+ L
when <constant_list> then" f$ b& n. U \& ?. N
<statement sequence1>;6 B1 c6 s& e+ Q8 p+ n/ B
when <constant_list> then
/ V/ z, H9 h% T+ y$ M <statement sequence2>;6 F# h9 O3 w% i8 O# f/ {4 b
...
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<statement sequence3>;
) b& O& b8 U4 Z9 q+ K" S( cend;
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2循环语句
/ h6 ?* ]; @5 L. L (1) from <statement sequence1>7 D( |& U, G. a9 i) R# v4 j' f; D4 k
until <condition> loop
' B! i9 n1 ]* n1 |( F2 x# }5 @ <statement sequence2>;/ ?# i! s% ] V' s( t
end;4 Q1 _; l5 t" [! i/ x, w
(2) while <condition> loop$ p+ ?- D ^9 f4 }4 Y* Y G5 t
<statement sequence1>;6 a: }9 D7 a ~5 X/ f
end;
4 ]# A: z8 h" n- l' G (3) repeat
9 i, B) v1 T# m9 L: H4 R. z <statement sequence1>;
; B- ~: ^2 A4 ?, n6 Q5 C* } until <condition>;9 d/ \6 T- j1 P9 t' p
(4) for <condition> to <condition> loop, v7 z* \# N/ ^4 V
<statement sequence1>;
5 v4 |& I2 ]' i; |: e0 Y; V9 i) e% L7 @ next;, M5 }) P* r0 O$ n4 r$ {1 X @' x+ N
3中断语句/ [( I9 ^: |# d; L* V
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
- O8 h7 C2 y& i! e3 u/ b6 O9 A# O! P还有很多，如有需要我把资料发到你邮箱里
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