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发表于 2012-11-13 08:48:12
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1判断语句( I, E3 \! s" |' [# ^# S# R
if <condition> then6 ^9 x; L" X7 Z/ t7 g3 A
<statement sequence1>;
6 I; a* T( L% \8 p: E# P elseif <condition> then
0 x7 U+ c; p, S2 s <statement sequence2>;/ E2 M. `$ P7 e/ Y0 p% o
else u2 g+ W; @+ |- B
<statement sequence3>;2 m+ L) U1 s) i6 y
end;
6 B. j9 P o# p' Z$ ^ ]如果分支比较多，用：3 F' v' g$ P1 m3 ?0 C
inspect <expression>+ q: S5 g; J9 s' v+ x) [" c
when <constant_list> then
+ {. o5 X. U7 Y+ \! B n& W <statement sequence1>;2 s7 W5 B; O9 `# Y9 G. i7 x1 b6 j
when <constant_list> then
- J! b0 V7 j- K% z <statement sequence2>;
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else* l% r! }" \8 o3 S* Z, J6 t
<statement sequence3>;4 G+ V Q. A9 l
end;# n, L6 U- v9 s0 }
; I) }+ z5 a2 y2循环语句+ u n3 c' z2 L. m
(1) from <statement sequence1>$ S- Y) B& y( E s! T" _& ?; v
until <condition> loop! F7 a. M- u+ o h9 ]
<statement sequence2>;
1 v, W1 P2 \8 `: a' g, H' ~ end;. L) Y$ T+ A' q' W4 ~, U) `+ K3 m
(2) while <condition> loop! _- v9 X `7 W6 [& D
<statement sequence1>;
3 s' S5 P. c5 W1 d end;
: M) X; [. f8 [6 C; ` (3) repeat
1 j1 g s& e; A3 g <statement sequence1>;
/ S; W! m8 R3 P9 c! z4 t5 T until <condition>;9 {* A% \$ Z& ~" S- E( F
(4) for <condition> to <condition> loop
, {$ r% R+ x C0 r2 L <statement sequence1>;% k& I0 ~: d0 w( s+ C) m
next;/ @& Q; k9 o L) D, y
3中断语句+ N: b& ]3 a& M6 _1 r' S
waituntil <condition> prio <integer expression>;
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% P$ l4 P+ t: y9 T& w$ k4 S" ^! L以上为常用的函数！+ o$ S+ Q* R8 X. W, @5 K
还有很多，如有需要我把资料发到你邮箱里 * n$ ~0 ~& S1 p# {
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