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发表于 2012-11-13 08:48:12
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1判断语句. ?. W2 r2 V$ Y6 E3 U' U) O
if <condition> then
! b. M9 i% z# {' [9 u <statement sequence1>;
/ i; W0 d9 ?, I$ a( \8 x elseif <condition> then' r* L! C1 c+ O: ~6 ]9 U0 x
<statement sequence2>;* O4 x4 _! E- {/ J. N& l
else 6 [3 L6 A1 o. c$ a! `/ R+ F
<statement sequence3>;
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如果分支比较多，用：) m; V+ @% K, H- U6 r; x+ q6 c( P3 P
inspect <expression>
# u$ q2 j" q9 O- G; s. d when <constant_list> then
/ p& }4 L# o7 ?* G8 d7 n0 Q <statement sequence1>;; V5 e, i8 i/ L1 m- z
when <constant_list> then
' ]' L+ u) L `( T' ] <statement sequence2>;/ Z! [- f2 v/ r
...
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<statement sequence3>;! K8 `' e/ b1 o2 p7 G0 ]
end;
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9 l! ]. v$ b! n8 \2循环语句6 V4 g. T% {5 I) a' \' Z
(1) from <statement sequence1>' {5 {& U) h( d! r: U
until <condition> loop
/ g- @% B, V+ d0 k7 r( P2 m* ^ <statement sequence2>;4 O4 o8 l% X% _3 Y8 h
end;
2 y3 q5 X- ^& D& ^. m+ F6 w' S (2) while <condition> loop) i( _$ `) Y0 |
<statement sequence1>;
& X. z \& n/ q# W4 L3 L$ [' E end;
' }/ R4 t9 F; U( j! P8 h1 L' x (3) repeat : p' G7 w2 c7 R
<statement sequence1>;
4 j% |# n3 P4 E/ e D6 g until <condition>;
* @3 I7 M6 E; E- k (4) for <condition> to <condition> loop" W/ {/ v- _+ J
<statement sequence1>;; M! ?2 a" a' B+ _
next;& j4 v7 H, R2 n$ | |# `9 V* m. Y. t
3中断语句
# p6 U# b' B+ H* F6 c8 ~, g+ P waituntil <condition> prio <integer expression>;
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+ m A' W- W$ ^: m
- J0 ?* e c: q# L: n( v6 P3 v以上为常用的函数！
; x. C% M i. v, V4 U0 a' k) O还有很多，如有需要我把资料发到你邮箱里
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