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发表于 2012-11-13 08:48:12
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1判断语句7 W; v+ ^0 F) }% U: _# U X
if <condition> then
! a: r. u- i0 m( j. Z- O <statement sequence1>;3 F2 a: W" i4 G; n. G& y; Q
elseif <condition> then e' s/ G ^8 ~) `$ y" O
<statement sequence2>;
1 [. F, N. @- j& y else 8 g3 w, ~& M1 g8 r8 \! T
<statement sequence3>;
9 ]6 z( R. R) y: c! r- \ end;
: o. H1 V. V$ p9 J2 Q如果分支比较多，用：3 Y1 A% h. j0 @
inspect <expression>
# ?. }1 [2 q; @3 J when <constant_list> then
! d h3 d0 C6 i" m <statement sequence1>;
3 `3 D0 x* S! o7 |2 B9 c* `7 z+ Q when <constant_list> then
( t$ A( N4 F2 F; `4 R6 A# C <statement sequence2>;* J+ B2 O) Q* B8 @
...
7 `/ f& ]( s$ C else
6 Q0 O5 v1 D: s5 A; U& X$ i/ D7 w <statement sequence3>;
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6 e j; a! g: Z( T0 `2循环语句) j5 p# r2 b9 \& _% k1 k7 t
(1) from <statement sequence1>: G5 y( r+ F2 s o1 q' K. j
until <condition> loop6 N" F, S1 u" Q& N3 M" i3 m: i( ~: v
<statement sequence2>;) ]* ?2 {+ R. W, B' f
end;
l T/ t1 L: k: E) M" n% H (2) while <condition> loop
: v, x, y0 q* b. Z' t( @8 y' W% W <statement sequence1>;
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(3) repeat 3 {& F$ ~ T5 x7 X' O
<statement sequence1>;
5 Z2 |) P1 N5 [+ O+ P7 `! z until <condition>;
- u6 p4 _4 T/ |: A/ U9 G (4) for <condition> to <condition> loop: F {+ O" z' N
<statement sequence1>;0 I9 o' u! `2 o1 `* C: |2 X$ C
next;0 | F4 W! U) G+ I6 v, `6 q
3中断语句$ n4 D) C+ m# n' Q3 r9 N6 E
waituntil <condition> prio <integer expression>;
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9 H* ^+ ?" q; B/ a) C) |以上为常用的函数！3 O5 `' D: p0 o$ Z7 K1 f) \
还有很多，如有需要我把资料发到你邮箱里 ' H$ ~& C5 B- o3 Y( K l( s& ^
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