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发表于 2012-11-13 08:48:12
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1判断语句$ @* k* a1 n& J7 ]4 u
if <condition> then9 H9 a# Y0 V3 L: s1 \3 g
<statement sequence1>;# y1 Q9 }; ?0 q& c. C
elseif <condition> then
' i/ z2 n. ~2 y& A; Q# a- n' [6 R <statement sequence2>;
" o: |/ `4 {4 i, i else
8 N0 ]! c1 ?& j5 V0 l% r' k <statement sequence3>;1 x _4 W2 N$ T7 U" p7 L* N" c
end;) w6 L. @5 K! J; T0 s- |/ g
如果分支比较多，用：4 t# s- R; h; d; ~
inspect <expression>
* M( `6 l1 l' X9 P/ y/ M when <constant_list> then
' d1 C/ A4 S6 S. ~: }4 q+ Z <statement sequence1>;2 {. i) A0 {# x+ m( J; k' ~
when <constant_list> then1 _5 N% y/ y; ?3 c- {! I0 D
<statement sequence2>;
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else
# |! _" O( s; x, ?: D: ~ <statement sequence3>;3 f3 c* x; e/ O
end;
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7 ~' \: X7 }5 i+ `9 R) V$ X2循环语句
$ a4 D' A% \' { (1) from <statement sequence1>$ V( ^& I8 m4 r: p
until <condition> loop
3 `" k8 z) P# g# N# j' I q <statement sequence2>;! d2 z/ W6 ~% \; J& ~- I
end;
5 |+ c+ f+ `; [1 Q) d l4 T9 o (2) while <condition> loop
7 ]- p# e# u$ L: C* q0 }0 s <statement sequence1>;" P0 f2 f' j ^
end;1 F, i9 Y2 u/ S+ Q
(3) repeat
* U4 _- z; \3 ~2 G4 b <statement sequence1>;' r, i2 F1 e0 {4 @
until <condition>;% y5 R5 ?+ X. K1 f' ]7 m9 k H2 O
(4) for <condition> to <condition> loop
, e3 f+ d9 y9 N% I <statement sequence1>;+ X/ c9 o G* [. \. d9 m
next;, @+ _: Q" u% M4 F5 }0 _& _0 K `
3中断语句8 A, A# I1 e$ p. C- _
waituntil <condition> prio <integer expression>;3 Z. O$ [( q! r( R A
6 ?: P! D* r/ S& ^0 c7 ~8 S; P# E
: L7 U/ `1 h" [6 `# ^2 @9 [# M/ ]2 C以上为常用的函数！ C+ v+ k$ z2 E( i4 Z% Q: C
还有很多，如有需要我把资料发到你邮箱里
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