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发表于 2012-11-13 08:48:12
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1判断语句
) ]9 V+ U3 p* q if <condition> then; P& j2 Y" b, h/ \) |- n" [0 `
<statement sequence1>;- j/ }0 [# H+ | q* r; D
elseif <condition> then
" ?% E" C0 j$ b# f3 K$ z0 g <statement sequence2>;
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5 p! w; z- {: t+ t <statement sequence3>;/ K1 r. e1 f8 k! w' j
end;2 i7 s7 u! [3 N+ p$ m
如果分支比较多，用：
8 }- o7 ]& a5 A" o2 a inspect <expression>- U$ i" ~; `7 J9 V7 K
when <constant_list> then
6 z/ B% [ [5 ], F1 O5 B <statement sequence1>;" W' C' u: y$ A U6 p# P
when <constant_list> then9 Q- @* W3 w" T7 Y
<statement sequence2>;
; l: R' g+ N( L; _# B ...
$ @1 [9 d( O& o" |0 u7 t6 Q4 f% f else+ U: D% G/ b3 x1 p$ s
<statement sequence3>;6 M( y2 n% } M, Z
end;
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2循环语句* l6 a M; h1 O
(1) from <statement sequence1>/ T2 \! ]8 | s; ]* }
until <condition> loop
0 Z6 L0 Z% Q" C8 A h <statement sequence2>;, {) U$ k' z+ R2 K7 K5 d! S" S
end;, \# ]+ a9 ~$ \/ `* D8 u9 R7 i
(2) while <condition> loop
; _! Q. E) u, H' p* ^( K) E7 @0 m/ K <statement sequence1>;
' I& p- V7 y8 P/ y) L end;/ X% d) m5 d$ I( @+ P/ v
(3) repeat
7 _) a& \# g+ y# S <statement sequence1>;
6 C+ ^6 J$ B" [7 Q1 ?0 z8 s until <condition>;3 G$ `. B/ }4 Z& U- E% @% e5 F
(4) for <condition> to <condition> loop
5 d% [! u/ o6 @& L <statement sequence1>;: n! w% t$ Z t- Z
next;6 P) C& @3 D9 N( P' \
3中断语句" q& B( E7 j$ d. G
waituntil <condition> prio <integer expression>;& [" C$ E$ F2 e% v/ v
+ x- E7 }$ |5 \5 B; e3 E3 l
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以上为常用的函数！
* E9 u' R& i0 o" Z8 Q还有很多，如有需要我把资料发到你邮箱里
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