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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
; O, F$ o7 Z1 O0 g if <condition> then
* p5 g+ g. f6 g, q# N' I <statement sequence1>;
0 @- Z& V$ D- W. g elseif <condition> then
: o! U V* Y! |! t- C <statement sequence2>;
7 e8 R% K j4 \6 c6 m6 U else
. i! b1 v- p- ?% x <statement sequence3>;* z9 x/ J/ f% [5 C h5 |9 S3 \
end;
) d) i. s' o- u如果分支比较多，用：2 I1 W. X4 q; W1 ]0 ~; L
inspect <expression>+ B) e1 K) _* ?# ~6 v1 d, U
when <constant_list> then
) g1 p$ y4 U: B1 I) p, y <statement sequence1>;; t" C2 d4 o I( m# ^9 _7 a
when <constant_list> then
3 B" c( p9 H; v2 x <statement sequence2>;
6 u o! ?9 u. _8 R4 I! N3 O .... s! J6 q3 q7 w0 d/ ^$ i# g) {
else3 r5 A) g, Q+ M
<statement sequence3>;
7 H' V" z' K+ M+ q+ R6 K$ ~; o }end;* n+ }9 w% |/ r8 Q$ ^
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2循环语句
) |) o( |5 T X$ m0 }5 d. K) J; T; b (1) from <statement sequence1>
t0 K2 ?% S3 y7 k# U" R1 K5 y until <condition> loop
" E/ g' @% K9 `" T: a+ [ <statement sequence2>;
# i5 S( J& k) z q+ `: t end;
1 H3 F, P* k2 V/ Z (2) while <condition> loop
; m, N$ }( G; c% H/ _8 l z <statement sequence1>;! c. i; f M' t* ?( X. c
end;/ T( e; Y% G0 W: Y8 a* G2 L, U
(3) repeat % j1 e) v' @# W& h
<statement sequence1>;' Y# [! K3 j: j R8 Y0 F# Y7 _
until <condition>;1 D) t* K. N4 I- j) G- k
(4) for <condition> to <condition> loop
5 l$ e! U) O! P: U$ G <statement sequence1>;
( f' ^9 I( N4 Q5 n0 E next;
# W2 W8 R. \" {6 c/ Z' \3中断语句
; l8 i8 F0 Z) [& x3 L; `. M waituntil <condition> prio <integer expression>;
/ o. j$ W1 Z! S2 U4 u9 S
0 ^0 `& l6 }' s, n; h1 A/ a% Y
( U+ [; X8 n& w$ d! _: [以上为常用的函数！. e7 @. v6 K( _0 D) A
还有很多，如有需要我把资料发到你邮箱里
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