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发表于 2012-11-13 08:48:12
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1判断语句
8 R. w5 y& z9 ^6 y+ V) i9 G4 W if <condition> then( [9 x4 X. _8 @4 w' K
<statement sequence1>;+ M/ I) b7 j# x, q7 V
elseif <condition> then. Y" w3 d! o. l
<statement sequence2>;/ H: l9 U1 i" n3 d. }# a+ U, l
else ) e H6 g3 B% w" q; R
<statement sequence3>;" l2 { ~0 D8 e5 U
end;( L- D; ?+ z# X7 O
如果分支比较多，用：% Z. v! X9 j) f N0 G, [8 x
inspect <expression>- L0 G' n- Y7 w! ^
when <constant_list> then1 Z/ U3 B4 k" W- Y, `1 Y# ^: k
<statement sequence1>;/ g Y5 r7 T' ?
when <constant_list> then) F! l- R8 B) m0 [
<statement sequence2>;
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else. F9 K: ?& P7 |
<statement sequence3>;
! [" M- U. f- S' Jend;
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* y& C+ z4 ` t( @ j0 S7 y; y2循环语句' A& S0 }8 \1 O$ s
(1) from <statement sequence1>- K) X* P0 ?3 x2 R* F" @, x
until <condition> loop$ r( H8 @( _7 J0 [* r6 \3 Q
<statement sequence2>;
2 H v' e6 r( r5 f end;
" v/ |9 a: k# K (2) while <condition> loop
- `- |- C7 j0 u$ C" s+ e' q <statement sequence1>;
- L8 k1 l8 l, `5 u% W) X, i/ U2 h end;/ |# D; m& L) ^
(3) repeat % W" T# h, L- z5 E6 \
<statement sequence1>;3 [* D! [) b$ @! J
until <condition>;1 k m! M1 S( p$ l7 e
(4) for <condition> to <condition> loop' _6 z- r, J) \. G# b
<statement sequence1>;6 t* a% N! d% s) p1 r' ]
next;% ?/ x8 z! T" K/ p6 r, U2 A# ?
3中断语句0 [0 E) Q5 R6 d
waituntil <condition> prio <integer expression>;! t8 V$ E7 z! F/ [) O9 a* u2 m3 v
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以上为常用的函数！5 Q7 r0 ^, G' ~
还有很多，如有需要我把资料发到你邮箱里 & j! ^8 D( P, U$ D3 H" `
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