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发表于 2012-11-13 08:48:12
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1判断语句
( ]& \' }: Z$ m6 `% K/ H/ s if <condition> then, R1 Y! k7 p" h' X' h' w) z$ G( F
<statement sequence1>;
8 ^+ S" B4 m1 e8 I+ ?" O elseif <condition> then
0 V+ V' L' `+ n5 B8 H% \; H <statement sequence2>;/ r1 S& B6 C: s0 m1 P8 i
else : N m e: u3 g
<statement sequence3>;
+ N' a, k6 [2 N. o- k& B end;
) w( D5 |5 J# V4 q2 M如果分支比较多，用：: T4 Z0 J7 j- K/ u& T
inspect <expression>5 ~! ]0 x+ W1 Z N0 v4 f5 |0 T8 T
when <constant_list> then
1 m* o7 ?/ O3 v. M2 Q! V0 t <statement sequence1>;* t$ c( k4 a& m) [" ~
when <constant_list> then
8 w$ o# Y3 @7 t8 `7 u4 C' s <statement sequence2>;6 W; R3 ]7 l' Z3 G+ L) h
...
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<statement sequence3>;
: @4 b! [ A6 m8 d X/ D: Jend;
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2循环语句0 J6 Z* d3 d' q) k* {. E! O8 o
(1) from <statement sequence1>) S3 m* P0 M9 ^: g0 ]
until <condition> loop
. Y0 g' g6 R. j' Z; W2 ] <statement sequence2>;, ~$ Y+ }4 @& w3 D C
end;) Y; q' `9 ^7 B# B) T! d0 B
(2) while <condition> loop
5 ]( b2 {) C* p. ~$ x) W% \$ Z <statement sequence1>;
* P* d1 z4 \5 W4 Y0 `6 X) i end;/ L4 L- O3 a- E+ V) _
(3) repeat % v7 n7 ^9 E6 t
<statement sequence1>;* f( H7 T4 L, W$ C2 h$ }% B
until <condition>;/ x6 a& A' @& p% Z
(4) for <condition> to <condition> loop
`8 Q- [+ a. D <statement sequence1>;' f, J4 A/ U* ?- g O Z6 |* M. |
next;) C" r* Y3 `! H* s3 ]5 v. X7 N* S
3中断语句& l5 O( A) X0 X% k8 {) F7 y
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 F2 T8 f5 W; `' g: N) g% e. g: ^还有很多，如有需要我把资料发到你邮箱里 / q4 b( s# u: c2 k! U! L$ A
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