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发表于 2012-11-13 08:48:12
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1判断语句0 q% [3 o5 d, f( Z
if <condition> then
1 m" I7 x$ B2 S2 B3 m( t/ L; x: v/ f <statement sequence1>; U$ \. Z: R4 X6 B
elseif <condition> then
. K* l% K* {- m* O! o6 Z9 x4 Y <statement sequence2>;. ^7 O2 Z& d) M1 j7 F
else
* A" O3 o2 D" ^# x& r0 w [# | <statement sequence3>;
# o$ s. h8 I! C* L end;; @+ P% P) M1 q- v+ r
如果分支比较多，用：
: [3 }/ p, Z s4 ?( I inspect <expression>
0 ?$ r6 _4 V7 V/ ? when <constant_list> then
" D1 L, |* u! v4 ~/ F <statement sequence1>;
7 s1 A/ E: h( N; P& M0 e5 I/ t when <constant_list> then
' ]0 Y/ p3 T, o' E- _9 j5 }; Q <statement sequence2>;
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else
8 B9 b5 h- F' p/ u <statement sequence3>;
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5 O6 ]& D8 L3 ]8 d2循环语句; L2 x( a# L% _8 `
(1) from <statement sequence1>
6 g. s* k1 R. v3 l' M6 h: i- j until <condition> loop# e# {$ B) T' d$ x4 A
<statement sequence2>;
0 T$ c* r, D, O" f0 Q end;
0 B8 L; c5 r! ~, ], C2 I# O6 C (2) while <condition> loop
# l' Q8 P: g j- j M- r3 o6 w( M# M6 v <statement sequence1>;4 [( P, U) L4 l: H2 r
end;5 w; V% S) |2 T, p
(3) repeat
/ X6 Z/ o* v: g3 Z2 l+ }& \ <statement sequence1>;
6 i1 {$ k* Q2 P( b' o4 U until <condition>;
1 a. \5 s3 P" \' X7 o' Y (4) for <condition> to <condition> loop
3 K/ p3 B: L* x m <statement sequence1>;. A( o) F; \$ U& `, h* ~
next;
$ ]% t: S! b# a8 c) ~3中断语句2 C/ p8 _: G/ ]; s& v
waituntil <condition> prio <integer expression>;
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, A/ C2 L0 i- U1 s9 Z以上为常用的函数！
8 d1 {# a4 C3 c$ Q! Y还有很多，如有需要我把资料发到你邮箱里
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