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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
# _; t }# c+ Y4 K if <condition> then" C& Z: i: S/ ]% U* ^
<statement sequence1>;
: e) ?% @) M' }9 f7 F elseif <condition> then
# P; P! t1 X X! O6 V <statement sequence2>;- w b* Q2 e( Q( C8 x+ B! v0 l3 K8 b
else * j) n$ n' U- d0 [( d) J# Q2 K+ a
<statement sequence3>;% f" w+ }8 |/ u4 }# h+ G# j
end;3 c& v4 x* B `
如果分支比较多，用：3 ~0 R# U5 s3 R& x7 j: M$ K
inspect <expression>- z% F; B0 _! e7 F+ @
when <constant_list> then' c5 t* q5 ?2 p2 m) L
<statement sequence1>;
% P/ B2 i' _* B* h& Y/ N- m8 Q when <constant_list> then0 n4 h" N( ^8 [9 Q
<statement sequence2>;- B9 B! }& {4 z+ }- c
...5 d& Y' {) h4 h5 A z3 l, f
else
$ j/ n2 l5 x) L( u! K J4 N <statement sequence3>;
/ X8 M- e" C' j: `8 v3 Nend;
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2循环语句
. G4 _+ i% V8 a$ c) a: j (1) from <statement sequence1>% Y3 E# \: C l$ A2 e$ s' | W
until <condition> loop L* h: q* ^# c* j/ j
<statement sequence2>;
5 T f% p. [; X5 n. n( o0 O4 ^0 I end;. s+ M: Y) F2 L$ n) U" [
(2) while <condition> loop
+ F: b0 c# A% O <statement sequence1>;
# b) ]1 A- y6 H; `9 | end;. b6 V+ Q! B) p0 x
(3) repeat
4 N$ a. i# o* G <statement sequence1>;
# i3 ~8 E# K5 E% y5 a until <condition>;& N. K7 Z# w# Q0 v% U
(4) for <condition> to <condition> loop# v, Z2 j e9 h3 a9 D% W& x
<statement sequence1>;* K ^' @& n" u4 G9 e( f' Z
next;" F% G1 E- i- ^3 i
3中断语句$ G9 X' w( a% G: {) w8 A2 T- _7 z
waituntil <condition> prio <integer expression>;
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) v3 K5 I' c* ~! k) y# w& K T. R: ~/ r以上为常用的函数！
* x0 K& D+ Z" e还有很多，如有需要我把资料发到你邮箱里
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