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发表于 2012-11-13 08:48:12
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1判断语句' D6 L [% a0 q- t
if <condition> then
h9 ~% n0 J% J C7 f8 _% Q- H <statement sequence1>;) `! I# q1 m' p8 S. N/ Y
elseif <condition> then
4 }% T0 j3 H2 E5 u8 l <statement sequence2>;. p$ U: s9 t4 @4 z$ x2 L
else
* c) M2 j. Z8 H <statement sequence3>;
& u- N, j' Q9 P# v3 M9 V end;
$ h" j( Y ~1 s' v) c如果分支比较多，用：% k: O! R3 P0 D
inspect <expression>
# ?% \' ]! y% m9 o+ G# T$ v when <constant_list> then
% U# N Y1 c+ v# P/ c <statement sequence1>;+ e' ]. c0 ^: V3 z3 ~9 z) f u
when <constant_list> then8 R- c# m0 h) S: n: h5 L4 n
<statement sequence2>;
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else \' C; i8 c2 C) t* e
<statement sequence3>;! {5 U: Q& U$ g+ _! A0 B
end;1 U+ [' Y/ }6 ]; k& w) n
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2循环语句
; r% h A2 F! J+ R2 f3 L (1) from <statement sequence1>3 Q" N S" e3 s, @4 P# x
until <condition> loop
4 G5 M$ i* ]7 X, D, B( k# T! Q! G9 d7 q <statement sequence2>;
4 ]+ R6 L- v- m# @ end;
5 ^$ P) O/ Y/ o0 B1 C" e (2) while <condition> loop% ?2 B6 g. L4 Q* ?( `& G
<statement sequence1>;
" j5 f) c. P: N1 a1 D& m end;
! `4 y/ j1 V% @5 r R (3) repeat
3 |6 {( {/ U6 O$ W <statement sequence1>;
6 G/ T) |7 Q% K until <condition>;4 [9 O% B- Z' o4 J3 S; r
(4) for <condition> to <condition> loop
& w9 H7 z% R/ c$ y" z <statement sequence1>;8 i2 U8 o8 d# d
next;1 s9 p. p0 N b% V$ t% c, Z
3中断语句% R/ M) Q" |1 M" a* X! Q
waituntil <condition> prio <integer expression>;9 H" O2 i7 O" H8 D. [! I6 W
9 q* E$ ^( h( G
7 [; D/ u4 f' }% \以上为常用的函数！
z1 B/ z6 Y% O2 y4 A4 z7 Y- O$ f还有很多，如有需要我把资料发到你邮箱里
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