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发表于 2012-11-13 08:48:12
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1判断语句
6 t; \( G2 A( w! P% D* m if <condition> then
: I* h/ s* _% y$ ^% |. n2 M <statement sequence1>;4 c: z/ R, P; [1 X; @
elseif <condition> then
) y# w% T& Q1 D; S% M <statement sequence2>;
5 Q" a( C0 V6 n) w; r else 2 f$ r0 V( o; t' G: B ]( _
<statement sequence3>;
3 s+ m# l/ S4 q- F: k" I end;; S! j. q2 i: f2 _2 H: a
如果分支比较多，用：7 s% Z4 I& n* s/ W! q
inspect <expression>
/ \! S3 z- J+ \& t7 x7 \* w when <constant_list> then' m# ~$ V2 o! w2 D* P
<statement sequence1>;
. ^2 B7 b2 C+ x, r: _! W$ } when <constant_list> then# n* F) S7 I2 f6 ?9 k
<statement sequence2>;
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else( p/ D4 |! e3 O4 D8 w8 l, W2 _
<statement sequence3>;1 @! X; C- x) J2 `; D; s
end;
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2循环语句 n, P4 u! P! q2 b
(1) from <statement sequence1>
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( g7 Q3 E+ x3 Q3 H6 M <statement sequence2>;0 W# D+ S0 Z- I( S' D
end;: g0 j" p% N+ d' ^' H0 D
(2) while <condition> loop5 @$ t& n9 t" R- g$ \/ @8 s) v8 s
<statement sequence1>;) [0 l& I* l. E1 Q: G6 y
end; D5 m- j. q0 ~& V+ n
(3) repeat
}; m3 Y8 w j8 S <statement sequence1>;* x3 o4 n! M+ {2 K; |: b5 Q
until <condition>;
; G, M Z/ h: ^% \ (4) for <condition> to <condition> loop
6 E6 Q5 M" c: Q <statement sequence1>;3 t' Z1 }6 P9 h* V- n
next;1 Z' f- ]9 |7 B0 z/ r) _ Y N9 q8 q
3中断语句 @9 T+ s! a9 E! E& S
waituntil <condition> prio <integer expression>;3 d9 M! n! H7 M! H" A; |, M0 E
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以上为常用的函数！8 z9 E4 I2 a0 i2 t4 O% d$ F2 C
还有很多，如有需要我把资料发到你邮箱里 4 G9 t! m9 I& @3 z. w+ B, J9 n
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