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发表于 2012-11-13 08:48:12
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1判断语句
! Y; u5 F) c1 A/ W }% D3 {: f# @ if <condition> then
4 V$ Y) q* c. G. Z <statement sequence1>;% o e: ~* e4 J3 f+ k' }& {
elseif <condition> then; ]5 Y- |/ G4 `5 x
<statement sequence2>;" i2 w# z/ o( F+ E3 p* u5 b9 r4 m
else
2 _# ~7 ]& y" N( s, O/ z! q6 g9 t <statement sequence3>;& [) [" r9 M$ T# b0 \5 a
end;$ G" Q# h: B5 C" x
如果分支比较多，用：& i5 t" o5 Q3 b2 b6 T/ C* S2 n
inspect <expression>: Y7 W; T* ]+ [+ A( q& |
when <constant_list> then
; z. m# m+ L* g$ r5 T& P E7 X9 E6 n: W <statement sequence1>;
) R& K: K7 `1 A: d! [, d+ o" ] when <constant_list> then
, }/ c! B+ T3 u& @ h <statement sequence2>;
: _ L2 Z n" C# c ...
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<statement sequence3>;4 P! n- ^0 Z5 _( N# d Y# w" H
end;
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; j% a C8 c( O3 {. X# w2循环语句' d( R7 f: \, \% u* w
(1) from <statement sequence1>" k0 ]: w3 g. {% V1 O; g7 b
until <condition> loop
5 w, C) M% M4 P, i; [ <statement sequence2>;
6 H" [& W# g+ W7 N% T8 J" v f end;
) _. a+ P+ U: K u: ? (2) while <condition> loop* t) g+ l' P4 B
<statement sequence1>;$ n' i4 N2 M% D" X
end;
4 A0 o+ I3 Q$ y% X" V+ f! i (3) repeat
. A& l. j7 C1 T4 h( s <statement sequence1>;
/ I, |' d" t3 G2 Y until <condition>;
: P: E$ p3 F# k# g0 [3 `: ]% u (4) for <condition> to <condition> loop/ f# F' l. i( B: Y/ a" T
<statement sequence1>;0 O- [- Y4 O+ A) L
next;. r h2 i. H& r6 c2 _' {
3中断语句5 L* B- K2 _6 Q' r4 m
waituntil <condition> prio <integer expression>;
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$ b( ]# H6 j3 z: U# _4 P以上为常用的函数！
( V8 s$ X, F2 m* f) Y还有很多，如有需要我把资料发到你邮箱里
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