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发表于 2012-11-13 08:48:12
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1判断语句
/ p) \& d$ b! V, ?) J9 Y6 } if <condition> then6 D- R* f9 b9 `" y0 q) r- h
<statement sequence1>;
3 Z2 N3 ?9 }4 v. b7 W3 T) J& g! S elseif <condition> then
7 y) q2 a- U* J& K/ G4 K) l& E <statement sequence2>;% z. F9 C; u4 @0 Z5 Z; _
else
) }+ s2 |% ^3 I- z. a4 T6 M* Y <statement sequence3>; r% p& z* L- n. P; o7 Z* r9 J
end;
: e" P ?3 z, @: @ ~: j; u7 m( d如果分支比较多，用：% O! ? ^6 X; u7 L
inspect <expression>
5 ?* q3 _; X+ m$ {' [- T$ b; T. k& ` when <constant_list> then
) g1 I4 J4 n; \+ d. H <statement sequence1>;2 X1 B& Q) M, c1 y* @( Z3 {
when <constant_list> then8 A6 U) r' V% K7 S
<statement sequence2>;' _$ _9 \4 S( s1 c7 k7 j" j, F
...
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<statement sequence3>;7 D3 r8 n+ r& U' I8 O
end;
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2循环语句% e( Q7 I* u5 w0 N
(1) from <statement sequence1>5 C% v/ C. i* I4 Q8 ^; H
until <condition> loop
! `- p3 k8 j! l6 n) z <statement sequence2>;- {4 G- _2 v" `; J: u# Z0 k/ N# |
end;
' N' d+ R1 `. \& j8 E! L (2) while <condition> loop
& v" c+ {2 _, D <statement sequence1>;
, \- M8 x! }4 m: i end;; T( o$ x/ q% T! P
(3) repeat 0 g. O3 r' q4 b: m& T
<statement sequence1>;
# E4 }0 Z; Y8 U. _$ R: w+ C until <condition>;" l6 v& b1 k4 i/ M) r; \
(4) for <condition> to <condition> loop2 d% e$ i- G5 U, J; L+ s
<statement sequence1>;* O7 K, q3 k ?( J- k2 J
next;) ]+ y1 d9 O/ Y. l
3中断语句' h+ B! K4 i: | i
waituntil <condition> prio <integer expression>;; f" i/ ^3 U* c# H
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1 H, r. M* c$ J! A! c6 [以上为常用的函数！: V6 I P, F- R
还有很多，如有需要我把资料发到你邮箱里 ' @' |8 `0 R0 T$ p( Y2 [
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