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发表于 2012-11-13 08:48:12
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1判断语句& f5 _; A% J, O9 c: z
if <condition> then
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3 m$ Y' Y# |/ ^# @. ?7 ]+ @; l elseif <condition> then4 [( R2 Z: `& h3 a2 k* b$ |! N9 g
<statement sequence2>;
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<statement sequence3>;
. N7 l$ L( ?. [ end;
. I. f$ C" g& M如果分支比较多，用：
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when <constant_list> then' X+ K8 c) Q1 O U
<statement sequence1>;4 E# w' |: ^: h1 D, \% S$ U
when <constant_list> then
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...5 B" G0 p1 x! P) ]; D
else2 A6 K) W5 W! n. s+ @
<statement sequence3>;
5 R: U" n% y- v8 fend;
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5 R0 t/ w, [, b V; x0 L2循环语句
% K, Q6 _1 S E" ~% @& D (1) from <statement sequence1>4 T* [+ I! x* j6 p- i7 i
until <condition> loop
- E/ [& L' s! `$ {4 i% E <statement sequence2>;1 o% `" `1 j% a8 {
end;
/ K' I; g! Y3 `) @ (2) while <condition> loop5 e& z( }5 j* P0 w# i# `; \
<statement sequence1>;4 ^' j r( |' E1 t( R
end;
( h( d. |# s" \) Q (3) repeat # B+ l. t0 w& n3 M- X
<statement sequence1>;
" G* x r6 F2 l3 u& Y until <condition>;
- F0 N) @" s5 y (4) for <condition> to <condition> loop
6 N7 [, y, ?" k5 m+ _" Y <statement sequence1>;) N; q+ c$ k5 a
next;2 Y$ i. E2 I4 X. G& C2 O
3中断语句5 P9 d# G7 u9 p- T
waituntil <condition> prio <integer expression>;
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以上为常用的函数！' E& h/ w: s3 U" B0 k
还有很多，如有需要我把资料发到你邮箱里
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