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发表于 2012-11-13 08:48:12
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1判断语句
" y3 X1 M& w$ s% r6 u2 E if <condition> then
! R! [: J D) H- n <statement sequence1>;
1 c+ ? a3 h3 ]% b6 v+ l1 T elseif <condition> then
: B$ D# f* p/ p <statement sequence2>;" v( o. W& ?$ m9 S9 Z2 C
else - {1 M. V5 W' x3 W
<statement sequence3>;+ S. H& p+ ?2 T5 S6 p
end;
! A# K G/ l. e% P8 F/ G# V如果分支比较多，用：7 f O# [/ g3 @5 F
inspect <expression>; _* U8 a& i7 E; R7 S
when <constant_list> then6 l z* p! w% g. U& L' j! {0 s
<statement sequence1>;
9 H3 U' X' Y1 \9 a* T. N when <constant_list> then
5 S, X2 \, b0 H) V4 ` <statement sequence2>;) f. O1 S6 b4 f1 v
...
. }! H* A- z* P; n else
! L9 M9 T0 n* W# |/ ~ H6 { <statement sequence3>;* B8 @( M+ h& f! u; I. U
end;
! w" T3 V: \/ d* \. N# F+ n( K9 o
# P1 M4 L- J2 H. b8 U9 C2循环语句* {- E! [0 n, q! d; d4 w
(1) from <statement sequence1>0 ^7 v- C$ U/ r5 e# \. g e/ {
until <condition> loop
4 Z% A$ b! q8 Y' t3 m2 k8 C <statement sequence2>;
& V2 q T9 T8 z4 L end;
: J- N1 r4 Z: \8 u+ U4 ^1 K$ @ (2) while <condition> loop# Q) r9 U8 m' O5 h5 b; I/ D9 |
<statement sequence1>;
" T3 c7 R2 u2 a7 L2 D end;6 n7 K+ l( m# [7 }* Q+ O3 K9 U5 M# l
(3) repeat . { d- P8 c2 s) y1 k- i
<statement sequence1>;' i9 j' P$ a2 V- c5 T0 k
until <condition>;
( P* r5 h8 d5 z. P# S (4) for <condition> to <condition> loop
! }0 o$ p E' U, h- L% E <statement sequence1>;
; c, ?) P! N+ n% {6 H& C7 @ next;) C& [( Y5 h: m. g6 n& i
3中断语句
$ i' y: }- v! L$ ]$ m( j waituntil <condition> prio <integer expression>;
& ^1 Y) g7 \9 |/ x" J# x4 q& x4 A# h; ~- G1 z7 w0 ~; _
6 h/ f B2 _- a! v7 n9 L" e6 \; N
以上为常用的函数！ @: z% [6 m: Q! O: [; d o
还有很多，如有需要我把资料发到你邮箱里
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