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发表于 2012-11-13 08:48:12
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1判断语句
8 m( H0 A0 q1 j$ r' C( T if <condition> then4 |/ G+ g$ V; o
<statement sequence1>;
# @* R" B7 y4 \1 G s elseif <condition> then
# E% Z% b: Z4 T `+ L) G' z <statement sequence2>;
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<statement sequence3>;
8 `+ T& n5 F) W5 R( I- `) n" u4 d end;! E* \0 F% J' x7 j, i
如果分支比较多，用：( K0 X2 J$ ~4 y) O6 s$ ^$ i1 g
inspect <expression>
0 {# \' Y/ n# V1 w0 h0 p' | when <constant_list> then. U! i! S( [& F2 Q- i
<statement sequence1>;5 y2 J2 ]6 {2 r& O; |# O: W
when <constant_list> then
( g1 d+ i, P$ c: o <statement sequence2>;) t4 ~& g* ^5 `- ^/ v7 M
...
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<statement sequence3>;
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2循环语句
8 \6 z @2 ?# n& ~. C3 S' A: f- K (1) from <statement sequence1>/ |* ~. J: I/ y2 b2 m
until <condition> loop
& s7 H) w, Y. G' n) z <statement sequence2>; V# R" L. Y V) k- p
end;! a5 _" A8 m" U- ~, N) y
(2) while <condition> loop
3 `) ?/ _! N: f: Q/ Y <statement sequence1>;- F: f5 n: e+ @0 e$ c4 G
end;
% h. _- H7 `. P( a (3) repeat ' H! l1 \ S. t; J1 n% O' B6 m
<statement sequence1>;8 I2 z- z7 i' g' V7 A5 e: M
until <condition>;
E/ `8 r2 q y9 I1 f' m0 E (4) for <condition> to <condition> loop/ z5 m( ], n: ]" m. v
<statement sequence1>;
. Z/ o q+ e5 U+ S3 X" s next;
^% I4 }9 c9 m! [1 X' U( ~3中断语句 g- y: B. Q4 j
waituntil <condition> prio <integer expression>;: t: Y ^8 E" j- _2 ]( }
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以上为常用的函数！# v$ E! I J: H8 w
还有很多，如有需要我把资料发到你邮箱里 + _6 E6 ^6 ^; B+ M+ V2 _5 ]
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