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发表于 2012-11-13 08:48:12
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1判断语句4 V/ L+ ]( ~0 a: I
if <condition> then
1 x4 b7 r7 e' ?/ v3 a7 V+ S <statement sequence1>;
' `: Q, J) c/ {: n* G$ j8 U elseif <condition> then* A, C, _# E1 d% K3 t n( D+ w& {
<statement sequence2>;! K; [3 [0 A* R- O U J9 a
else 2 m% g/ m' L3 s( \
<statement sequence3>;
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如果分支比较多，用：
5 Y z8 F( w- Q0 o9 D inspect <expression>
3 Z& e" H' U$ h. O4 Y+ k( ~ when <constant_list> then8 a% M4 g# Q; o& E7 H+ q
<statement sequence1>;4 D) k: u% K- N9 u- Z& r
when <constant_list> then
8 l- k& w5 ?3 {1 [0 N6 \ <statement sequence2>;
& A, P: ~) ]8 {1 |3 k ...
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<statement sequence3>;3 h8 O" T$ Q+ h( O, K
end;
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2循环语句9 i- S( Z, V5 h2 }
(1) from <statement sequence1>
! q# R4 r8 J! R/ [6 S until <condition> loop
s; o; m, u$ B# G <statement sequence2>;# |1 ?* J( U3 `- f9 U2 I3 U2 P. X
end;
b& k) y: S4 y' s, V (2) while <condition> loop5 A1 @- p' y5 r% e" w$ y/ O( z
<statement sequence1>;; h* U/ i! K: i( ^* S' g" E" X, V
end;
& i3 ^8 K( B8 o" C, ]. U4 e (3) repeat
' f7 Y( L+ ~- E- w; V( i <statement sequence1>;* u9 h8 J1 y: p
until <condition>;+ ^. |6 M. f! Z# m S
(4) for <condition> to <condition> loop6 k" z1 t) p6 ?2 J8 B
<statement sequence1>;
1 L/ W& `# M" b" b3 M1 E next;
- Q8 w% y1 m! @3中断语句
* p. X) c+ ?! h* }* T1 p" E% @ waituntil <condition> prio <integer expression>;
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以上为常用的函数！$ p9 N9 a, c/ x( x
还有很多，如有需要我把资料发到你邮箱里
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