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发表于 2012-11-13 08:48:12
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1判断语句( S9 r) u9 e& f; o, G
if <condition> then
0 O) y% j8 |0 g& O- w <statement sequence1>;2 l: H+ d' b! X$ C b1 b# c
elseif <condition> then/ t5 B; U8 j" s9 T N
<statement sequence2>;
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<statement sequence3>;
$ S, n1 K9 Q$ P0 h( B4 c end;
2 F4 K" ]0 p/ ?; d7 M% F: P如果分支比较多，用：" w- Y5 F; b3 }" D j0 g" |
inspect <expression>
' G, n, i. O: e: |* h" L# o2 l when <constant_list> then: x9 N) D S# n2 R
<statement sequence1>;* C/ M2 ]' W9 {& ?. D
when <constant_list> then
# M2 r" E7 P* E' S% b' m# z <statement sequence2>;
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else$ Y9 i2 L' s, @" j- J) ]+ e. b/ |$ p* t
<statement sequence3>;) L6 g! {3 c W( `
end;
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2循环语句* J1 ~/ X. O& U# l! Q: M, r0 p
(1) from <statement sequence1>
* r3 `/ M# O* t# m6 o until <condition> loop" q8 m, F! P# s, o% m& V
<statement sequence2>;( L- g% Y6 o- G# p2 t
end;4 M" H) z3 r) W$ A U% M3 V m
(2) while <condition> loop
, E. ^8 g3 r# S6 D% l' k: ? D1 D6 d <statement sequence1>;: u( B3 Q/ x$ c8 s8 W) y$ f, s. A
end;
" y1 m |8 C% ~. C3 ~ J; p9 r (3) repeat $ x* R# s$ i- _# U ^ x) E7 U
<statement sequence1>;
8 B' j4 e" z0 w. e4 w, V until <condition>;/ e: v; c- U0 c" d
(4) for <condition> to <condition> loop
( L" A. o: \$ a* A <statement sequence1>;
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3中断语句3 O3 p* W" r# J" @3 c# L* d6 I
waituntil <condition> prio <integer expression>;4 Q0 T u8 g' o7 |
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( |5 |, b; ~' S) N. j+ t }5 d, @以上为常用的函数！
& J+ _' \, u0 N还有很多，如有需要我把资料发到你邮箱里
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