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发表于 2012-11-13 08:48:12
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1判断语句
( T A5 }8 h$ f* M7 j7 R& @ if <condition> then7 o w' a7 c5 Z
<statement sequence1>;
# y* U: `8 P) n elseif <condition> then/ ^: H! E# B% V- M4 i [
<statement sequence2>;- v8 F7 \6 \: D q, ]3 [
else 5 l: g. D# v8 ?- r% I
<statement sequence3>;5 l: m5 a8 d# X
end;
1 m3 h+ M* V: F2 l0 h' y) z如果分支比较多，用：
- j. @: ]( ~) x1 E6 G! k7 d inspect <expression>
( x/ @" _" N9 S. W5 `2 F6 Q" z when <constant_list> then. p3 D! e" _7 |( @. O3 q
<statement sequence1>;
0 n& w/ ^! v ~% b when <constant_list> then
z/ |5 a- T7 b7 v4 [ <statement sequence2>;6 G2 k9 P# L) w% G( ~
...% G5 k1 O. |! x$ H. s4 F) z3 p
else
4 i: t0 y2 _7 s7 u% X <statement sequence3>;8 w6 M6 W9 E! G' y, _* p
end;
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% ~9 ?' y. T- s0 [: ]1 {, k2循环语句9 Q! L# S( z5 @# \) v
(1) from <statement sequence1>0 I, j0 i+ Q6 T1 R% ~% V
until <condition> loop1 z6 u+ C( @* ?: X) a
<statement sequence2>;; o: l. H/ r. W* x& S# x
end;9 O: z' F( o0 k# @/ K' P
(2) while <condition> loop
' P& Z( q5 s8 n* y5 u <statement sequence1>;
) i7 u, u/ A4 z- q8 h: y end;1 Z) X0 N) i6 t
(3) repeat
+ l- t8 i0 \5 C0 ~ <statement sequence1>;) [6 v3 B2 D' |7 n3 P! c' f5 [
until <condition>;8 e6 m7 r4 M) |: W+ _
(4) for <condition> to <condition> loop; T" X* n; |) y4 r
<statement sequence1>;% b: [ e9 Z" ~! R3 e
next;
$ }# W$ a8 S* T5 c4 F3中断语句
* H3 ~/ D1 k& H! j waituntil <condition> prio <integer expression>;
5 Y M5 Y$ W! z# j& K& ^. @7 k5 T- y1 r. Y, p" a3 b
# A* |' s$ v, L+ R4 ^以上为常用的函数！
2 b. ~% d [( W8 o还有很多，如有需要我把资料发到你邮箱里
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