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发表于 2012-11-13 08:48:12
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1判断语句
+ S0 o! ?8 e/ r- K2 D if <condition> then6 g& D( s+ f" f2 t, q
<statement sequence1>;
- j7 U0 o/ d+ \# R elseif <condition> then
/ B3 D/ u$ d& a( w2 a <statement sequence2>;2 ^$ t9 A2 E+ j6 r0 p
else
1 P, ]) d' x3 a; _ <statement sequence3>;
# K3 F% j% |7 O6 g/ b' Z) _- | end;6 e9 X/ I( s1 O3 l; U
如果分支比较多，用：2 }$ `: h b6 l( b
inspect <expression>- v/ K' Q' K0 @, }* l6 _
when <constant_list> then# s8 R: w8 g9 h" m
<statement sequence1>;0 a, c1 U% j- \0 U
when <constant_list> then4 n' b- v& H5 m$ S0 {& i0 M' @
<statement sequence2>;
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else2 f5 }; R3 z* u7 V
<statement sequence3>;" ?7 y3 o6 t7 u. L0 n7 I8 i
end;2 R3 Y+ w+ ]) b W8 I8 ^
& H8 N3 J s9 _$ X0 z1 `2循环语句, L; @$ x" L% G& c0 W; U! o
(1) from <statement sequence1>4 D" n r" y9 P& B" E
until <condition> loop9 M5 I* u, f/ L4 B
<statement sequence2>;6 a! w1 @' {9 Q1 p d" Q2 d
end;7 W8 ?( b$ W- \9 [6 w# ~- b1 E9 Z
(2) while <condition> loop: x# i% W3 o, V: l( ?
<statement sequence1>;
" O: D/ g# `, T" M/ Y! E- N end;
; _; v* W @' X4 M (3) repeat 7 A m" r' v1 {. w
<statement sequence1>;6 Q9 s: B% w( Q: O u3 w
until <condition>;: f1 _" t5 X9 t7 r
(4) for <condition> to <condition> loop
/ @0 q j8 o' }7 `* x/ P( C% q <statement sequence1>;
1 @! e; F' f9 M# M/ b next;
& Z% L; O M; b3 H& i2 l3中断语句" P6 x- [; q' @+ S; C( B
waituntil <condition> prio <integer expression>;
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6 p; b3 {) ^7 \8 ?
以上为常用的函数！$ B: V: E9 J9 F7 P5 f0 q. L' h& l; W8 o, u5 ~
还有很多，如有需要我把资料发到你邮箱里 ( ]0 K0 J) K- X8 H
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