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发表于 2012-11-13 08:48:12
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1判断语句
# w: n* P0 m3 X$ }& a: F) p if <condition> then2 `1 x. z3 d, t3 a" w, T d$ i+ d
<statement sequence1>;/ }6 A. _- h1 ]7 D. \
elseif <condition> then; d( X, ^/ l( u
<statement sequence2>;9 u- [) K' z! `) r
else
. S1 d3 g0 B0 c7 L1 A' _! W3 B <statement sequence3>;
9 y: G/ F% c, Z end; [* c0 r5 l9 j
如果分支比较多，用：9 w/ ^- f# i0 ^" x& e; S
inspect <expression>) W g, z$ S6 Y& T" t
when <constant_list> then, A E: x1 z5 t, m8 V7 g
<statement sequence1>;
6 T0 L0 j3 i+ V3 B" m" ] when <constant_list> then
* E) }0 R# K. \! u6 h <statement sequence2>;$ D. ^0 u8 V; c- p' s( t t
...
, Y2 j% A% Z7 P! C; C else
/ O' j, ^4 u. M( |( i: S <statement sequence3>;; |* S" A% Y; n2 T! I: Y# d" T
end;
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$ K- P/ h h/ m+ P2循环语句
9 ?0 ?9 g- ~& m# { (1) from <statement sequence1>
( Q- w9 @1 d% S2 O3 e until <condition> loop
4 }0 ~; G' `' ?& T: L: |( P' H <statement sequence2>;
4 ]2 O* `' Y: O9 s! Y) H0 H: q8 U end; ?, b' L1 l) J
(2) while <condition> loop
7 b/ a9 I; J* e$ _" @# w. l3 }' A+ L <statement sequence1>;
9 W" W0 I- N0 m- o" h end;6 \+ I0 G7 w9 C
(3) repeat ' N. r0 D& |: h& \& x, C# D" U
<statement sequence1>;6 A( S. N) p4 o5 l' p( _
until <condition>;: Q" L' G# c2 x, ?) H8 F+ P
(4) for <condition> to <condition> loop
* b% L- Q6 e3 U" b; | <statement sequence1>;
9 u" C* c' _$ b4 h$ y next;
) B6 h) J8 H6 j, ~; T9 F3中断语句2 @8 p/ r# x9 N/ L. O( q) t
waituntil <condition> prio <integer expression>;
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& V% b" Q8 ]& K- O以上为常用的函数！
2 Z% w& P# W6 }4 ^8 S2 r n, U还有很多，如有需要我把资料发到你邮箱里 , a: R/ ?6 @3 y3 T P. \
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