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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 D5 w2 _7 l- p7 B) Q$ F9 ^ if <condition> then
, K3 M7 U- o, w: E6 R <statement sequence1>;7 i. M6 L' T8 c1 ^- v# Y/ [# P2 f
elseif <condition> then" i5 W% g, X- K8 B
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：: l# H* m, b% D6 T; t# h( m
inspect <expression>
, D) i# g$ s6 z4 u* D when <constant_list> then' t5 C% A7 ]) n' r" R+ F
<statement sequence1>;
+ t j H; K% a, B. r% [ when <constant_list> then, x% a# j9 d7 m' S1 J H' A
<statement sequence2>;
# c6 q1 S# j% j% b: U8 N6 G, d5 h ...
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<statement sequence3>;8 }. p! n2 A' ^- u3 G m9 Z
end;/ z: m1 h: z( a8 @# z- Y
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2循环语句8 X( @9 j, M) v- N6 W: [
(1) from <statement sequence1>
+ A6 D6 }7 l" E4 o1 N until <condition> loop9 s& h* g' i( H' S! B! x
<statement sequence2>;- o( O4 I# F; Q$ D0 W8 N7 i
end;% y2 K v7 G! F" ~. [( G
(2) while <condition> loop
6 s- I! _, h ~6 \, D' e <statement sequence1>;/ G* Z8 m# {5 J; j1 H# f% \
end;
3 A) Y7 L; B- b (3) repeat : D( G- T3 S' Y, H' F- i& `
<statement sequence1>;5 N% t# l( A/ s" r' ~, h
until <condition>;8 @0 j; b ]0 {* M! Y0 u
(4) for <condition> to <condition> loop& E1 Q z3 ?, }4 p* S& E; `
<statement sequence1>; w7 S4 f% @; B$ C
next;
9 W9 O% b/ ]; S0 G( a3中断语句
. L% k" k# m" ^; R waituntil <condition> prio <integer expression>;
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以上为常用的函数！
7 W' T2 Z2 W: I, y& k p还有很多，如有需要我把资料发到你邮箱里
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