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发表于 2012-11-13 08:48:12
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1判断语句
$ M3 J1 i8 u* r6 s2 X( r e; J if <condition> then
7 @2 h- ~4 v0 S& D <statement sequence1>;9 w) C7 L4 J) ^6 Z
elseif <condition> then
2 ]+ k* s0 w9 z! o/ V- k9 U <statement sequence2>;' x" L# |+ o- Y6 Y/ I+ n' P f
else
6 e; r: b' |7 l0 |2 P, L8 q: O- p <statement sequence3>;7 Q" i, x$ ]- e7 S* y
end;
3 f3 ]" ?. z n5 ]0 d; @如果分支比较多，用：
. Z, w1 i! u7 B% R7 w6 B5 }1 } inspect <expression>+ K# P" p1 ]2 N) j) S& b
when <constant_list> then
) s! d1 x! z, J* S <statement sequence1>; {* g0 Z7 c$ Z b5 M
when <constant_list> then
. m% d( R9 s3 S2 f+ W; W6 j <statement sequence2>;
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else
/ q n; U5 ]' M5 S" C3 |) y <statement sequence3>;9 ^" v1 }5 _" Z& L4 U% k& v
end;- ~8 k5 y5 D2 M, \: {
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2循环语句
3 p% k& C- l* w, q9 d (1) from <statement sequence1>9 B0 t7 q# y+ ?+ x/ ]9 O
until <condition> loop
# K- @( A7 R1 h- H( r3 Q" L <statement sequence2>;# x0 u+ X F* y, n, n" _
end;
- H2 ~! H/ x6 O$ n$ z (2) while <condition> loop
3 w! U7 u( `$ X; [9 F6 X4 V- T8 ] <statement sequence1>;
* P3 E8 Z, \: g: _ v/ P end;+ v, N2 S3 h3 _' `; P1 J
(3) repeat % H. N; F3 k7 v- ] a; P
<statement sequence1>;
. X9 ^/ Y) \+ O0 N# Z7 D9 T- Y9 W. ` until <condition>;! [" C6 q$ x8 ~( ?& w! s& h) r8 S$ [
(4) for <condition> to <condition> loop
, [+ @) P2 D9 f4 a <statement sequence1>; f4 h) w' h% c, ?; y
next;
! {6 Z5 W; F1 S# R! ^, x1 p3中断语句7 G' `6 n( a; U0 p1 i% c* F( v
waituntil <condition> prio <integer expression>;
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以上为常用的函数！* ?4 F; e# j/ Y( ^4 Z
还有很多，如有需要我把资料发到你邮箱里
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