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发表于 2012-11-13 08:48:12
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1判断语句
: V* Y) l/ L' [/ h+ m if <condition> then5 B" x* @, h1 b0 l
<statement sequence1>;# J k/ K9 J2 m" V1 ]: b9 ^
elseif <condition> then
, U& L* Y9 p: D! R0 f <statement sequence2>;
& \( u9 n9 H" i t else ) a5 _& b" U; N5 m
<statement sequence3>;* u8 D) @$ Z9 u# N
end;
. A) Z) w$ r3 p3 T% {如果分支比较多，用：
. h8 }6 B. x0 o8 ?5 G' U' l inspect <expression>! N- A$ T* H2 P
when <constant_list> then
2 c* d9 a7 Q s <statement sequence1>;/ X/ d- P3 M) ~6 U6 L, }
when <constant_list> then3 Y2 p' m8 s3 n2 e
<statement sequence2>;
. y" \' q9 I& B& Z+ A ...
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<statement sequence3>;
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2循环语句) ]& p: ^3 V% Z. O. n
(1) from <statement sequence1>( p) B; H( n8 j. s L! y) S6 B" y
until <condition> loop" Q7 h- c& r1 R! I
<statement sequence2>;
. q) j# }% y' h1 R. \+ S end;
0 [' L q& s2 C y, {$ z- O/ N$ X* v (2) while <condition> loop
! I8 a1 h k# B, U4 E <statement sequence1>;0 P7 f- z) j, K8 G# J
end;1 k+ g0 l7 z, g! r2 c. o
(3) repeat 5 w, j. n4 `# F8 f8 @
<statement sequence1>;( C- o& T8 M, W9 ~! E) O2 }- ^
until <condition>;
. q$ U$ i/ P2 Z1 ^# L+ c3 b (4) for <condition> to <condition> loop3 c$ o* s8 g6 ?1 x+ I
<statement sequence1>;! G' v2 G- c m/ Q" z5 m" B/ Z
next;
8 n! [( ]" L: M+ I3中断语句0 f: T7 ~+ I5 Y. W. J/ t% M
waituntil <condition> prio <integer expression>;# l& W3 E) e( q+ _- q: b, b
1 ^/ o U& n. \ ]* G
! H2 J+ }4 T. t% Y6 y% Q以上为常用的函数！1 w" t$ b9 S P3 G% Z
还有很多，如有需要我把资料发到你邮箱里 + s% v* ~) ?) ~2 d$ P
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