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发表于 2012-11-13 08:48:12
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1判断语句7 e' o+ C+ i4 X. ]% e0 }0 N
if <condition> then
- D3 u0 ^1 X9 C+ R* L( C <statement sequence1>;7 v1 g& B6 \/ k
elseif <condition> then
E' x: o) `# b <statement sequence2>;
& E, A6 s D) K% P: \: ]" q# Y else
; H$ K8 k2 R6 g0 y <statement sequence3>;
" j' n* P9 w1 ]& U# D6 z end;
& t4 k5 l0 J% O( ^3 d5 v/ o如果分支比较多，用：6 f9 C2 U2 g$ _ f
inspect <expression>
# z" g& C" X9 I8 Z when <constant_list> then6 O6 G# o. I* r- i, L* F
<statement sequence1>;! J* B; f6 k _
when <constant_list> then
3 y5 _; v* W- m <statement sequence2>;. u" o- Q: z$ `, \ P8 d: p, H# b
.... C- {7 d% w0 Y/ V
else
/ n* `" j; `% S/ N- w+ l1 o" k <statement sequence3>;' q" K1 |" S# `, J$ \
end;3 W4 [+ B3 R/ ?
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2循环语句
1 A: ~# L8 Z2 T; z (1) from <statement sequence1>; l, |9 Q0 {% h: S1 o
until <condition> loop6 B. [& c* v5 B/ g: K
<statement sequence2>;+ g. `- b& N, H9 w1 T
end;
2 ^1 N# P T5 ?" a: B. W (2) while <condition> loop, F/ ~) y+ p$ ^* |7 E6 f
<statement sequence1>;5 |- F2 b& Q$ K7 L+ d! I
end;( G9 R. W% ~. ~6 r* o/ a
(3) repeat
8 T4 H* P' i; |7 Y <statement sequence1>;
2 ^/ H$ e* w$ m% U: j until <condition>;
- \, O: X5 ^% B. y1 k) b/ w (4) for <condition> to <condition> loop" u6 g0 y' u4 ~+ t2 |/ G* n
<statement sequence1>;
- P' y1 \& N7 C5 } next;
2 O6 }# B2 d( x7 g3中断语句- L* z2 z1 ?2 g( P$ M# ^0 y
waituntil <condition> prio <integer expression>;
$ L- S! X3 k9 B1 E' T1 U/ _4 J, [) j# l; l. X
# g8 A9 {& |: n2 K$ Q# M以上为常用的函数！
U9 N: V5 s: o" X% ~2 Z! l- }还有很多，如有需要我把资料发到你邮箱里 8 p- T, V! d$ e7 r! e1 n
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