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发表于 2012-11-13 08:48:12
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1判断语句
5 A# U i$ g+ q& o" d if <condition> then
5 N5 {0 R) `# }* J% z <statement sequence1>;1 I$ {, c, |) \5 X
elseif <condition> then: P$ `4 f" L, K% y
<statement sequence2>;
* l% u" g( |( U& J# P+ v, J) k else
' m3 v0 l a) H <statement sequence3>;- T4 d0 y) m$ `0 o
end;
: z' O. y9 T; Y- t$ U; \- L如果分支比较多，用：- ]* B: l4 C: E# q1 l
inspect <expression>( k' L( S3 `' l1 _4 X
when <constant_list> then/ S' U) C1 ]$ b# R/ x) f4 i
<statement sequence1>;) R! }! e' f9 r( H" e
when <constant_list> then" l) p6 C( J4 e/ z
<statement sequence2>;
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else3 v* r6 E* i) B- v# a, o. z
<statement sequence3>;' i& D- D- Z: ] E
end;
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+ W2 ~' J( A. @+ K. ]2循环语句3 J' a; o$ `- P S/ B
(1) from <statement sequence1>
$ K$ l5 c1 ?6 G! ^* e- g until <condition> loop
- ^# X* v6 R- y& d% |$ U <statement sequence2>;$ @, G/ M! Q7 V$ y: }
end;) c6 f$ ]1 J' ~. I
(2) while <condition> loop
0 z4 W0 \/ o; z p K& Z0 N8 @ <statement sequence1>;
8 d( P+ f8 m' x& E$ p) |& d; p end;
1 m, A1 D4 s5 N8 X1 U8 k (3) repeat # Z; |4 v: s& ?( g
<statement sequence1>;
7 i! Y% w8 l# X' q until <condition>;
' _2 S/ @4 v* S2 Q3 M (4) for <condition> to <condition> loop
6 M5 O* Z; G& y; U/ w" w1 V <statement sequence1>;
" g) @. R7 k) a& ~) o' b! O next;5 U; O/ O. [+ E: w$ y2 V
3中断语句, v) Z# e# l Y/ Z
waituntil <condition> prio <integer expression>;3 s$ \5 W* ~3 r4 _- G5 D! ]
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以上为常用的函数！! d4 s Q P5 j0 K# X A
还有很多，如有需要我把资料发到你邮箱里
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