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发表于 2012-11-13 08:48:12
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1判断语句- `$ x+ W/ b6 Y0 s- |# w/ V
if <condition> then
/ i1 A% o) x/ f. Y/ F% B8 Z <statement sequence1>;& U' Q4 S; W) j/ m" p
elseif <condition> then
. |4 C3 e2 z8 \$ U* M8 h <statement sequence2>;
9 E3 ^$ K# n ^" [ else
; |' U t5 z7 @0 P- I: b9 S6 e <statement sequence3>;0 [; R. V$ L: Y T) ^% g
end;+ C% D- i) D! `- @! t! |# y
如果分支比较多，用：
. ]2 G* ]$ ~, @$ |8 _ inspect <expression>
$ Y _$ _! r- d% @; S when <constant_list> then& y' }" E( j. B7 }- z1 H
<statement sequence1>;+ A4 l6 W9 k! ~2 l. ^
when <constant_list> then
6 L/ A! O7 C! S <statement sequence2>;
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else: a. @2 E6 r, h) t
<statement sequence3>;. e/ Z' t _1 h2 k$ k/ F
end;6 a' a* H% H+ y, \
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2循环语句 l3 t0 G8 [; h. d
(1) from <statement sequence1>
7 d( S' |3 a5 K& t until <condition> loop
+ [ ^8 s9 D/ q8 S9 S8 |" L) R. d& M <statement sequence2>;
9 \6 I4 H+ a7 d9 O7 t( y; A end;# e4 Z6 J9 G9 v: ]# O
(2) while <condition> loop
! _2 Q, m) a4 G; v <statement sequence1>;! {: S5 A5 }3 C, ?, G5 D! v9 S
end;
) V2 D0 y/ I, c) H& Y (3) repeat + q, V$ M! k/ R1 S3 a
<statement sequence1>;
' z0 e9 z7 u5 g4 ? until <condition>;; E. x# S0 U) I9 q" U: W& } E
(4) for <condition> to <condition> loop( I7 N2 G8 |( O( p* |
<statement sequence1>;* Q# `, N1 Z6 r% W
next;- N, Z0 F. C; [6 F' V
3中断语句1 L7 r& b4 d, c) o4 q
waituntil <condition> prio <integer expression>;
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" g, {; a; z3 C$ [3 i- R以上为常用的函数！7 u+ c0 d7 N- U$ a' W# U3 x4 O9 Z
还有很多，如有需要我把资料发到你邮箱里
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