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发表于 2012-11-13 08:48:12
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1判断语句' B" {$ b' @& q" [/ C- C" B
if <condition> then
: O c0 ~' w' z$ E- d <statement sequence1>;
4 W. N: W9 t2 p- J: a% W elseif <condition> then- v) t' t! V1 T
<statement sequence2>;$ k6 q! p' ]: ~2 w$ u5 E
else 5 Y7 o- c4 A: ]! [4 M5 R6 \' h
<statement sequence3>;- K' H% z, s- b; d+ Q
end;
$ W; k$ Y& E* B" J* ^1 _) m如果分支比较多，用：. E8 v+ {) ~: a1 L$ C
inspect <expression>4 \( r! K |- ]% U8 r% o
when <constant_list> then; h8 W3 z @2 i( i
<statement sequence1>;
8 V4 g2 D* y' g when <constant_list> then9 g1 J1 J9 q, K
<statement sequence2>;" |- e: C- m; |* }, ?
...5 b2 K2 I/ c3 P9 G
else' t/ G. K0 k) ~+ U
<statement sequence3>;! Y9 n3 a. U6 |- p7 b, Q
end;- X) O, s& F9 B- a. w `
8 f. p5 Y* G6 i! ~2循环语句" _' X& f$ P# i9 M0 `4 G3 ^) S
(1) from <statement sequence1>8 e' H" x! K* p2 k7 h' l
until <condition> loop
% \& ?. u; l( V <statement sequence2>;3 d! ^6 P" C, I
end;, s. r5 n- N* m8 b$ m
(2) while <condition> loop
( n" r4 a" b1 S f5 C8 g4 @, C$ D/ f <statement sequence1>;
K9 \# T) }0 R; M end;, p3 I" p, | A2 o0 A
(3) repeat + b# I# |8 M( W9 i: m3 @( O! \
<statement sequence1>;
! ?! ~( q; I1 {+ G5 b" D until <condition>;
+ }6 h2 p# A' j* q( [8 _ (4) for <condition> to <condition> loop6 Z2 s3 u$ Q( Q; ?5 l% C, T
<statement sequence1>;
. D' B. \/ K# u& J0 E! |7 Z next;
% T% u# F& d) X& p, n. \; V3中断语句( |2 f4 q* K1 v0 M& b
waituntil <condition> prio <integer expression>;
: L0 d# V7 T/ P: t+ P, ^* [. ]' e! f3 U7 v
/ u9 |! Y& y; ^3 r& }2 X4 B以上为常用的函数！0 [9 b0 V. _: G. n0 Y
还有很多，如有需要我把资料发到你邮箱里
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