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发表于 2012-11-13 08:48:12
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1判断语句
" y [- j# I: P0 b% S if <condition> then# x; t4 [) u9 }; H; V: _' e
<statement sequence1>; Z% a: c% n$ K/ N; v
elseif <condition> then* Z. @) [1 t2 |% F) y$ r! `
<statement sequence2>;
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<statement sequence3>;9 @$ W, q7 ^7 z+ p4 t2 m
end;
, v) u# o( i5 n' K5 h& j' }1 [如果分支比较多，用：
# |8 U# m7 \7 T inspect <expression>) ~ a& H" P1 j* k
when <constant_list> then- ?( C# o9 x% c( U' q" e5 B- |3 a3 ^: p
<statement sequence1>;
2 o4 O ]3 s) [" | when <constant_list> then
/ x# @: `, [+ J9 F1 \9 w- Q5 z <statement sequence2>;
0 _. m+ p# O( p% |/ E ...
+ [- \- P4 t/ |- i else
, v: Z: ~2 n! ~ <statement sequence3>;
2 M. ?& A# I4 ?) ?3 Oend;
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: w+ t! |. E5 f: Y: T) G2 t6 p- @2循环语句
4 H4 o. R* L/ G6 X: C (1) from <statement sequence1>% K$ r( L* {: J* M Z W) n4 \
until <condition> loop# ^: a7 g( S# }4 N
<statement sequence2>;3 W e; u+ s; D" R+ G6 I! X
end;
4 x, ~( C, G" [8 ~ (2) while <condition> loop3 D4 _) z. D8 [' o6 X
<statement sequence1>;
: \7 M' ?3 Z( k$ m" s1 _ end;
2 U) U+ \; ?) S; t4 Q* n: c, H (3) repeat ' J+ h, U! U# J! s; F7 V% `9 f
<statement sequence1>;
" A; t% P1 q8 [! Q2 M* j6 z7 K until <condition>;2 A* i2 S5 s: j: W b& h7 B: i
(4) for <condition> to <condition> loop7 n/ B7 o: d6 z3 }
<statement sequence1>;
, M! T+ e! D+ N next;( V$ ?" P# W4 O$ O0 F, q
3中断语句
; {3 z' Y; o* l* e waituntil <condition> prio <integer expression>;
$ R Z4 ~; b; Y3 A' a* B; _& U6 B0 {& k1 t
9 P. |; ]. g9 D# o. D" K4 ~) J" B. x5 `以上为常用的函数！+ a1 ~+ K/ I4 q, H' S% L
还有很多，如有需要我把资料发到你邮箱里
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