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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句! j9 c* ?% G, U* D0 `$ V
if <condition> then
8 T2 |, M ^9 c+ I6 D <statement sequence1>;6 ?# _! S+ h8 j3 `
elseif <condition> then
+ K" d T- _0 m2 t6 {% w* X# l" z <statement sequence2>;
. o- d7 r" v3 a+ [- F; t( S- @ else 3 I8 T) l- d4 E( Y
<statement sequence3>;
! N* W4 N) y4 J1 R, a7 d- d: J end;; ~1 {* `8 g$ ~6 e9 `/ k
如果分支比较多，用：" W& F v4 [' G8 d5 p: K- i
inspect <expression>! Z% _) J5 X5 p$ K; |
when <constant_list> then
( k4 \9 M- C& b* G. `3 \, m. c$ M <statement sequence1>;
* T$ `( S# x' ?6 {) {& \: c when <constant_list> then
; \+ h( p9 p+ _( s" I <statement sequence2>;
& h- J$ ?2 z7 F4 x" Z. i% Z ...
) n9 o0 m" `8 j9 @ else
, H+ d/ ~5 w/ C( }- R; L" y <statement sequence3>;8 `8 M3 O% Q ?% s2 ?( @
end;
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2循环语句/ G) _5 u# T* o) M, d5 z
(1) from <statement sequence1> j' }; M. P5 j# q
until <condition> loop
0 ~( \2 L6 ]+ W6 `5 A' | <statement sequence2>;
+ G. q& ~8 n! z% \/ ^% |( E end;
E+ J' G! P4 W (2) while <condition> loop
( E. A. x& h/ I: }! ] <statement sequence1>;' }; E6 C" A. s' E8 |0 i2 {+ c0 e! x
end;
/ ]: p! \( y3 ?' q. @9 f# B (3) repeat ( Y; @; Y g0 F8 l9 o% Q
<statement sequence1>;
( @, H4 z; b/ N% l- A until <condition>;* v6 A( _& C7 y
(4) for <condition> to <condition> loop3 J V4 e; ^* r* r$ h
<statement sequence1>;) H- q: T" Q( d) B6 x- `2 C! _
next;
* [6 E" L* z, Z* p3中断语句! N) k+ h; M g3 {
waituntil <condition> prio <integer expression>;
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以上为常用的函数！( ?; K2 z6 U* z3 A' l1 K4 z
还有很多，如有需要我把资料发到你邮箱里
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