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发表于 2012-11-13 08:48:12
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1判断语句) |5 F2 _4 F& S, M/ d+ i+ n
if <condition> then" [$ b% x( I. Y% L
<statement sequence1>;. I8 \1 e* ^, v/ }
elseif <condition> then6 h9 Q8 M$ Q! j# E7 I" ~
<statement sequence2>;
5 @# v! ?# N% J else
% Q% O/ I2 E- x' S+ h7 [# p <statement sequence3>;
; n9 D" A; b! n" S7 |2 [. {% d$ P end;
2 ~. ^6 ?0 o5 v3 Y2 d* |* C* d如果分支比较多，用：
+ I) z+ J, X E6 V0 {& i inspect <expression>
6 V: P1 u: P0 _( F; s$ ] when <constant_list> then
, b/ N4 q' j( R# @) J <statement sequence1>;8 o+ ]# b3 I! N$ t/ k' g( @2 y
when <constant_list> then8 T# }4 y$ d& x- K# c4 T7 R
<statement sequence2>;
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else
. y* P' a1 c Y6 i2 s <statement sequence3>;) ]" j# W" f' w2 j+ x9 g4 c$ q0 X
end;
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2循环语句
* f( Z- G i2 Q, l3 Z2 q (1) from <statement sequence1>
: e- e$ C H+ F4 a) t, R until <condition> loop
4 {- F% i; q7 j2 ]! G2 j5 N <statement sequence2>;
6 @, g2 V+ u' S; k# e9 L3 h end;9 q' N% |! R" T8 d% w
(2) while <condition> loop
! u# h9 j0 i4 e* k% H' R: k1 } <statement sequence1>;# B: D/ O! x: j. w
end;8 X7 D) X2 Z" q/ r I4 W$ \$ ~
(3) repeat
+ p/ ~$ w6 m) n, A <statement sequence1>;/ l# J% c$ y9 d4 z$ g. g
until <condition>;7 Z) ^" Z; e- i1 X$ d9 s
(4) for <condition> to <condition> loop: d; H& V# {! V* b
<statement sequence1>;
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3中断语句
c; k! }( U) D9 | Y/ O( c" H waituntil <condition> prio <integer expression>;$ s. } \, T, M, u
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以上为常用的函数！# S% w m. C3 i# I) ~- U% ^& \
还有很多，如有需要我把资料发到你邮箱里
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