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发表于 2012-11-13 08:48:12
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1判断语句( E1 u2 o; c* p& T" n
if <condition> then6 L# y& [/ G$ Y5 f: F7 q6 i8 U: x
<statement sequence1>;& h. ~8 u: K- A; D! {
elseif <condition> then S! Y4 ]) g" c6 C6 t% _( M
<statement sequence2>; T1 O5 u# \' p; o, @
else % |- ?3 `( d- Q& }: J
<statement sequence3>;% d+ z- F; S8 u- X! y/ W8 h; x k
end;" R9 P4 d: l( q) D& f$ z7 h- e0 t
如果分支比较多，用：
! B6 t) p' \( y7 }7 Q; ~, b inspect <expression>
: j# Q. e' V Y9 N7 I when <constant_list> then* W, J. O' p$ D1 i9 v
<statement sequence1>;+ G1 x0 q" W2 q6 y% f
when <constant_list> then
! F% _1 h& _9 m6 m3 Q% y <statement sequence2>;
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else
! K( q* x8 r: c7 c9 E+ j <statement sequence3>;
+ ^6 p: |0 V9 N+ Q9 k' jend;
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/ h4 b1 w- t- b4 b: l" ~5 n2循环语句9 ^' @8 q- K% |$ ~
(1) from <statement sequence1>6 D- d3 E, H* |8 c
until <condition> loop; H$ [: B! K; a/ \
<statement sequence2>;7 N" V# V4 T$ ?: `& h+ d
end;$ n, Y$ m4 v) d) s* N( p' B) n) ` @
(2) while <condition> loop6 ]0 M+ }% ?2 J" h2 h
<statement sequence1>;
s6 W2 S, k, H2 Z, a6 c% O' m end;3 t/ O. R* s+ j/ ^8 `& a
(3) repeat 1 o# x4 b! Q7 a* e$ L6 }
<statement sequence1>;
8 p7 y& i) g6 d$ X4 x. b3 w until <condition>;. A5 G- K0 Z/ q. z$ c/ g
(4) for <condition> to <condition> loop
1 Z6 T- H' {0 m- P1 Z/ V <statement sequence1>;
' g! C! l( D3 \1 d/ i3 z next;
7 j. Z, k" _3 o. S3中断语句. O0 ^3 ?; z8 A" h
waituntil <condition> prio <integer expression>;% K. V$ o2 Z) }4 {, H3 g
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1 W; w( v1 n8 ~, x" x3 H以上为常用的函数！" ~# Z6 f2 Z% Z) Z% H, S
还有很多，如有需要我把资料发到你邮箱里
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