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发表于 2012-11-13 08:48:12
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1判断语句: q% p+ q& i7 X0 {" x- t* a; E
if <condition> then
5 r) Y1 f& _% m9 ? H* u8 `3 W+ v <statement sequence1>;1 X% s' p4 Q$ |2 [+ d% r2 r
elseif <condition> then* i# O/ R: m" U7 O" g u+ I Q- m+ y
<statement sequence2>;
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<statement sequence3>;
2 p) P4 k/ U# o h3 |: F9 L end;
. j' h$ A0 n/ v6 g8 C% R4 W如果分支比较多，用：
7 R7 Y+ v: J8 ?, J+ |% X inspect <expression>/ v9 y! o6 M7 T' t1 ~2 u% I
when <constant_list> then
: W( _& G2 N: r <statement sequence1>;) u* e# P* Y; L8 \2 n
when <constant_list> then3 l; }+ `$ A. N( k
<statement sequence2>;
G8 p: R8 }9 _% D% z ...
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<statement sequence3>;0 O( F! X l. Y; d- w
end; d4 E# q. b( C- E
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2循环语句
3 J- h: O* G, T7 M: I& b (1) from <statement sequence1>
4 T5 U8 U7 ]5 m6 b7 a) d% X until <condition> loop6 j) u/ n3 _( [9 q6 z
<statement sequence2>;
+ m. P# {7 a$ B. Q1 I7 W! G! U end;
& K' p( m# V* ^7 H (2) while <condition> loop
7 z6 _; \) ~' I <statement sequence1>;
2 P- }9 l! U( D end;( k* A1 _* y: _$ S
(3) repeat 5 _3 v7 Y: w/ C7 j6 P3 j8 h5 D
<statement sequence1>;: v+ l; R- N$ o d
until <condition>;- y; t1 ]) y+ q$ {
(4) for <condition> to <condition> loop6 q% L, \; ?$ m
<statement sequence1>;# r3 F% ~ |8 V0 g
next;
# D* s3 I7 Y X3 D; \3中断语句9 E( d/ l- O: X- v) S
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# D4 p, c( M8 ^% X. d
还有很多，如有需要我把资料发到你邮箱里 * q+ K$ j+ ]1 l. J
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