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发表于 2012-11-13 08:48:12
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1判断语句
: P& }: P+ ~) s; X! ^% e6 h if <condition> then
% W& _/ v, }; }8 F/ g1 f& V <statement sequence1>;( [; I( j' S! i4 }) u9 |
elseif <condition> then& X2 A2 O4 n" Q2 I
<statement sequence2>;
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<statement sequence3>;
7 B1 i6 D$ t7 `" o% f end;
; w% C3 k0 b" ~/ l6 J) q如果分支比较多，用：0 {7 k; g' B$ _; p
inspect <expression>
: T( X8 ~! L7 G# N6 W# ^+ f- c when <constant_list> then" e& b: }' I [+ q. v! k0 G
<statement sequence1>;
. C- `* i+ A5 T& D2 P when <constant_list> then
( S2 M& l# o' Y4 [/ x% o6 D <statement sequence2>;
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else
9 t9 l# s! Z: E) q <statement sequence3>;, k, ]1 j! y8 r5 M# \+ |
end;
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2循环语句
7 I4 o& A- Q( T- N5 O9 f (1) from <statement sequence1>1 a4 O0 V4 ~% F7 o* i2 E
until <condition> loop% {; y0 W2 D, O5 Y+ w9 `# ^% c
<statement sequence2>;
/ B, e9 ?, R% E8 D( n end;* |) k- }1 G9 J( F
(2) while <condition> loop& L- F- J: w0 [
<statement sequence1>;: a$ {# @1 ]7 z! P. P
end;& L4 Y! f$ G; H
(3) repeat
6 f& @8 h) I! o( |1 {& u9 O <statement sequence1>;
6 B5 F1 s/ x# A8 E$ ? until <condition>;) j- Z1 E( w: m! m+ j. m
(4) for <condition> to <condition> loop# M" d" X7 o' ^- n1 Q
<statement sequence1>;! L9 C9 j0 ]9 ^$ a
next;$ ^1 P+ H' e2 H @4 m4 Q
3中断语句
' _7 P' Z7 c" D& d" A5 d9 J waituntil <condition> prio <integer expression>;
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% _) K$ E7 k( A0 o6 U8 Z* G' c以上为常用的函数！
6 a) F& M4 N3 R# Q还有很多，如有需要我把资料发到你邮箱里
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