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发表于 2012-11-13 08:48:12
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1判断语句) w+ D& d" m* h# \/ I& m l, |
if <condition> then
# `" o9 V0 p- D7 ?+ F, D2 U/ t2 T% J! ^ <statement sequence1>;$ {% b9 M& p+ ?* f. j2 n
elseif <condition> then
) V" ^0 x8 I8 @5 y! ?( n" _# C <statement sequence2>;* T0 Q2 B* p, w: ~1 l/ R0 y
else : ]* U: A1 G0 N
<statement sequence3>;
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如果分支比较多，用：1 I* F) Z, G( _# t% G0 ~
inspect <expression>8 Y2 l) U2 Q# f+ H, y- V
when <constant_list> then" A2 v( m5 Y' F. E
<statement sequence1>;- b, h9 q$ q8 Q6 a
when <constant_list> then
0 R# ~/ c3 F2 ?- V- X <statement sequence2>;
- g8 G) Z3 _, X' o8 H0 L0 p ...
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<statement sequence3>;" a0 c$ r$ {3 X" [( M# F
end;
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& R- n3 M5 G$ k" R2循环语句
6 y# p; W# j5 h: o: D (1) from <statement sequence1>/ v+ k( j% y6 }3 z% P5 Y8 g
until <condition> loop
* y" D- j4 h! L% ? <statement sequence2>;$ P s6 n: D# }. u! y" r
end;
% y/ o% Y' K0 Q' R1 H. Q8 G (2) while <condition> loop
& _6 v' ]* f) b) g <statement sequence1>; X, f: l8 p, E; D" F# J
end;
, X& C7 U& B+ M (3) repeat 6 ^, i+ r- A, \ k8 G
<statement sequence1>;5 A& k8 m! P' \9 }& U+ f- B. T1 b
until <condition>;9 X d8 c7 U9 v+ s4 Y4 s
(4) for <condition> to <condition> loop
. J, L4 B( l' x2 W. [ <statement sequence1>;
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3中断语句0 ?# A& Z7 B1 a6 V
waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 M( E" `. k4 E3 f) `
还有很多，如有需要我把资料发到你邮箱里
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