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发表于 2012-11-13 08:48:12
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1判断语句
, F3 p# L( ? ~# f0 J& H if <condition> then
2 `6 s9 Y' A1 s) K/ W' M' x <statement sequence1>;5 e: W, |6 p. L- ^
elseif <condition> then. x6 D- X% I% w& X; U
<statement sequence2>;
0 g+ V3 F; t8 ^! x% _0 l/ V else
# {/ X, [; G/ P2 a5 j2 {: r <statement sequence3>; e1 s l$ ~0 k7 n6 ~' e
end;
: a w4 L5 j0 ~如果分支比较多，用：# ]- M5 {0 ?+ _' W
inspect <expression>8 C* ?' F3 Z! v# h
when <constant_list> then. H, _$ R2 N) l: S+ }: O- l
<statement sequence1>;/ j8 |/ B1 _+ W/ f! ^8 \( @
when <constant_list> then, i7 F/ ^0 r6 Y- q
<statement sequence2>;
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else. o) g Q! B8 x! d B4 G
<statement sequence3>;$ s8 ]) X2 e+ H/ r- D! j
end;
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2循环语句/ U- `" Q: d6 H* Y" V
(1) from <statement sequence1>, B$ r# q. `+ `" R
until <condition> loop
) W) R6 b8 `8 S5 y( H6 T <statement sequence2>;
1 }, d! i+ N& e" q end;
4 k8 l0 a( k/ ?5 u/ \ (2) while <condition> loop
5 J: g: X' U7 D3 x+ | <statement sequence1>;
- l# |! j1 L9 Z4 u( N end;1 V d& Z, j0 }+ G+ f9 j
(3) repeat
; b) L! {1 D' d1 B- c1 \ <statement sequence1>;
" F3 E# g" x6 I8 [0 O( _3 w2 ` until <condition>;
7 K( v5 i0 Y5 B# o, p (4) for <condition> to <condition> loop& O* ^3 W" P' h2 z! G. G
<statement sequence1>;1 c4 N% O% \5 \# \$ G7 E
next;& @, d; q& A* X- e; G
3中断语句, f, z9 d% C, z4 U. }
waituntil <condition> prio <integer expression>;
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以上为常用的函数！" o& u6 Q1 k0 z# E* H, F$ D- [. m
还有很多，如有需要我把资料发到你邮箱里
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