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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
* ]' q0 Z1 G! ?+ ?5 |5 M, I) ~ if <condition> then4 Y4 E" a/ b+ P5 A
<statement sequence1>;, R; M0 a. }3 F+ i; F
elseif <condition> then, q' U' U, _' F0 N _' }
<statement sequence2>;' f3 z5 p: o2 \; E9 K& h+ k
else ) K5 e8 d) [% [
<statement sequence3>;& |; f2 [; V5 P
end;7 d V. C. [" F$ u/ S& G1 X
如果分支比较多，用：
+ }' n/ ]6 J5 I& T! f0 I inspect <expression>- W/ M1 F: r2 T0 M4 r
when <constant_list> then
1 o& K& W {3 }; N% \; T <statement sequence1>;
+ K4 j0 d4 S2 n5 o. H when <constant_list> then D$ |9 M8 I) E6 @: e9 u
<statement sequence2>;
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else. \. X6 b4 B7 |( v
<statement sequence3>;) I, b$ c0 ?* ?/ I, U$ u
end;+ s% u) h+ P- M
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2循环语句
( f: d$ I, [; A2 K7 f0 i- S& z (1) from <statement sequence1>
, n% E5 v* C5 R3 W# s until <condition> loop
* Z1 w8 \2 y! U( d' p3 E3 B <statement sequence2>;" Q1 \ U. t3 E) d W# ], e/ d
end;
1 @+ E3 V: e9 H; K3 W) b4 V- O (2) while <condition> loop
, o, E/ }* M: I9 @& b. b <statement sequence1>;% I" H- l- ]# X/ b
end;+ S( g4 \) E( u" {$ |2 H5 Q2 [
(3) repeat
; N/ f5 x# e" a <statement sequence1>;: F5 l" C6 U d
until <condition>;4 u, Y# C) {) e1 x
(4) for <condition> to <condition> loop
L0 @: i( [2 a1 k# f <statement sequence1>;
: b5 h% l3 ~, ^* U! {1 p next;, L9 [5 z; C7 j3 ^6 ]8 G+ s
3中断语句# L0 C; y: }# b# x- u; {9 c. Q
waituntil <condition> prio <integer expression>;. s/ k- }* J$ a2 D' W1 U) q# D
9 @/ [& q, ]9 I7 f5 ?# m- l6 x! \) B9 L' _
以上为常用的函数！
# q j& M% _! H G# n$ E还有很多，如有需要我把资料发到你邮箱里 , a8 r* o9 d4 G" O+ V" N2 A
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