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发表于 2012-11-13 08:48:12
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1判断语句" z: r3 L, ~+ t+ l/ ]. K/ m
if <condition> then! f0 A: p; H* S+ b& h- y# N
<statement sequence1>;
, z0 [' X/ Z0 |3 h# n) g elseif <condition> then; j2 X/ q2 t& N: X
<statement sequence2>;
! s Q! Q' i$ T7 i) ] else c& `. D! o1 K% b) {
<statement sequence3>;) O0 _1 o8 M0 Q! y& K3 d
end;+ |' m: H% t/ M8 L! R- k
如果分支比较多，用：
% y0 w, Y e2 y- E inspect <expression> ?! |+ T7 c% B. k- R+ s
when <constant_list> then
5 L) \; `- S" \0 h: j C <statement sequence1>;* \3 F+ W( I, M0 y% o( h4 t) X
when <constant_list> then
0 F7 }+ \4 x9 _ <statement sequence2>;" L' E" O3 S, }8 ^, q
..., }5 N% z; Y' m9 N) g' j
else
8 t3 I t, q4 r/ I& L# `1 _9 \- N <statement sequence3>;
4 m; ?* A, ~9 g( ?# gend;
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2循环语句
7 s" x9 O6 d6 {- o$ z m (1) from <statement sequence1>
$ v( L. l+ Q7 |- m5 s6 U; G. B7 a until <condition> loop
5 A+ D+ ]1 R9 W <statement sequence2>;
' ~7 l2 R! U4 Z# M5 J# D end;
4 I2 Y2 u& w# J (2) while <condition> loop1 y! u6 R. ]; b( \9 b2 \
<statement sequence1>;
8 b4 ?2 ?; i& `/ g. I end;
4 Q# E* F* j0 C; ^ [ (3) repeat
1 W3 E& M* d; v6 J+ W" b& g& W <statement sequence1>;5 j( ^8 M" l6 U6 o; F/ E
until <condition>;
$ O. A0 O3 p. I- Y7 A (4) for <condition> to <condition> loop0 }" Y' K9 S1 g5 V7 C
<statement sequence1>;6 B; w+ S, }0 a8 x4 X# J9 W
next;( A7 W# w k4 Z4 ]
3中断语句5 n$ C: o* r3 ?4 q! q
waituntil <condition> prio <integer expression>;
& l$ Z& _* k# x4 w$ i1 H& N9 H7 x' L" J8 C' p
1 u0 @5 e- t9 k" J. G* l" }以上为常用的函数！; L0 _4 H: \3 Q! m. g; z, i
还有很多，如有需要我把资料发到你邮箱里
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