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发表于 2012-11-13 08:48:12
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1判断语句
, M( v+ s! y M$ ^+ f/ [ if <condition> then
9 p0 @* z4 d' g0 k3 q <statement sequence1>;% h/ O) b+ G* j6 _
elseif <condition> then7 R4 D+ }) M9 l
<statement sequence2>;. f$ w! T/ N- M p: T
else 6 t, F- ~! }& `+ |- x# b& C# F
<statement sequence3>;# v: m& H/ F7 ~9 ~. h
end;
5 h% ]' k$ j% g5 @* R如果分支比较多，用：1 x7 J- f4 b* z( O6 s0 [% p
inspect <expression>/ [8 M; Y4 B f6 I
when <constant_list> then { j' y5 r, U* X
<statement sequence1>;
I; f5 ~; L- _! z' a+ i/ [' e" R8 m when <constant_list> then. @5 B" U, V0 l
<statement sequence2>;
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else) b1 D2 {: Y% u5 N
<statement sequence3>;) M. {, T0 a+ q8 U3 m7 j
end;
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2循环语句
4 t# P; Z; p4 ?& j; E (1) from <statement sequence1># U9 @) h/ W5 i& |. v" a/ V& H
until <condition> loop
! N$ `& b, C, q1 f6 P <statement sequence2>;
1 ?/ f1 ]5 c9 w, G% i# L+ F end;
. F. U3 x6 l2 |9 G7 o1 I6 ~ (2) while <condition> loop1 L5 m2 W& n8 a6 w& p0 Z9 `" s$ l0 f
<statement sequence1>;* E; N+ o g& ~( i S& [- m
end;: X$ v$ Y' H) A: Q, G/ Y$ ~2 V$ M
(3) repeat " W/ j [7 U$ u# o- `7 Q
<statement sequence1>;
& }7 p+ j9 C& k- h) d T; n& L# B& H& h until <condition>;
. |; D9 ]( d1 M8 x" j (4) for <condition> to <condition> loop
: `, `, f6 K+ R2 n3 R% |4 @8 s/ w9 Q <statement sequence1>;
# u, C" D; K# w5 z next;
, N7 U. z) B# T( x- m* w. ?( C0 i3中断语句8 ]3 `5 w7 G6 l# ]/ z: s9 y' h
waituntil <condition> prio <integer expression>;9 V0 J) K. z# m
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以上为常用的函数！
5 e2 J* x' T) t- G( ~1 Y% M0 N% n" l还有很多，如有需要我把资料发到你邮箱里 2 ~5 n/ i% \- b* d1 ~0 O5 l
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