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发表于 2012-11-13 08:48:12
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1判断语句" _! d/ G0 V* F9 }% \* j/ [
if <condition> then
8 v# E# T; } p1 _: n$ G4 J <statement sequence1>;
, ?. I# I/ I- S) x: A; b7 n2 ~ elseif <condition> then
, D4 b( f1 \6 B+ M( {) _1 T# J <statement sequence2>;
: S" I5 \7 |8 J else
/ h% M9 n8 `6 b; ~" f7 Q8 S% c1 j <statement sequence3>;5 o! s `) T, u/ ?4 z
end;: D8 F0 K: |" b j) b
如果分支比较多，用：4 X9 W1 Q# D, {$ Q3 K! c/ ^. y
inspect <expression>, G! @. i/ C* p
when <constant_list> then
/ A! u; w6 t' D$ A0 ~! p U5 j <statement sequence1>;
/ [+ \; K) L% V. z# O \7 ^! P when <constant_list> then5 w; H; D$ z* Z, E; H: k# p; s9 k
<statement sequence2>;
6 ]# G: w1 N7 C4 p ...
0 j6 l$ q$ b; {% p. ~: a else
( U$ ?- s v& C) `: `7 j <statement sequence3>;5 Y& v% Q: a6 E6 o% R* K' R
end;
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2循环语句
$ ?+ g( X3 _& H, M- ]- G! G (1) from <statement sequence1>( _6 m+ Y8 L6 q3 \
until <condition> loop+ S8 J/ Q- O5 `1 y
<statement sequence2>;
3 C0 z. A k2 G" r! a0 _4 @ end;
" D$ x6 z- Q* l& b$ ` (2) while <condition> loop% P- }4 K0 b& G6 Y7 H
<statement sequence1>;7 ^6 K$ [" R! P
end;0 T" Z. p- H, \ c5 H# _: C
(3) repeat
' v, I. Z) p9 Q1 W; u0 ~ <statement sequence1>;
5 L0 k ?. j2 A; _7 | until <condition>;
) n2 [' B2 Q3 W, ^" e8 L( N8 ~+ S) b (4) for <condition> to <condition> loop0 ?$ u' w& S/ Q" o4 {% v6 U; Y
<statement sequence1>;# i7 ~9 G- P& r# N. O: l- c# {
next; f% N- y" F# c9 L8 n4 v
3中断语句% \0 @) l. J9 J6 w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！- i% e. t' T2 Z! B
还有很多，如有需要我把资料发到你邮箱里
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