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发表于 2012-11-13 08:48:12
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1判断语句
! p7 i! e3 v p1 m% _& i: ] if <condition> then# W. [' m' I) V8 T2 q. j
<statement sequence1>;4 ?! X8 F7 e. a3 ]" k4 `
elseif <condition> then
( u5 {& v' Q' f# |+ {/ [ <statement sequence2>;
. q5 [5 d( m b& {$ ` else
% i8 f: b+ L) s6 E7 e4 B/ \ <statement sequence3>;
1 X8 ~4 n5 z- `& s end;
5 T: b& y( q) f% \, E5 r' ~如果分支比较多，用：7 M. V: Y( \8 r4 |: q
inspect <expression>
: x( P. H- J" _- N& _+ a# `) i when <constant_list> then
' O& E( R2 a5 e+ d8 j$ L6 {) d <statement sequence1>;0 T, l' T8 Q$ ]6 m8 \
when <constant_list> then
7 x6 V- R, A+ Q" q |/ | <statement sequence2>;7 C0 H% K. M f- G
...$ ? K- @1 o. Z. B- Q
else( f7 G! z l1 l. u& E4 i' ]3 R- X
<statement sequence3>;5 r. ]2 |% Q7 b1 U' g
end;& e& T3 _' B: h3 E& i
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2循环语句
2 v; H1 K% o g (1) from <statement sequence1>: i! R6 D$ W9 r& n) t6 z! Y. s/ u
until <condition> loop
$ C2 z: N. A7 n0 m2 }& V <statement sequence2>;& q, V/ ]! e6 a! B
end;' U7 z- Y) l- I
(2) while <condition> loop
, m$ X# e ~' R, @. J# ^) T9 W8 i( v <statement sequence1>;
+ V( W; ]+ B; z9 r. w2 _ end;- x5 _& m r2 c
(3) repeat 6 i2 V7 c# `6 F y }
<statement sequence1>;
0 o& W% c! l# k1 I% \ until <condition>;
* F% g8 n' b: W1 g' D (4) for <condition> to <condition> loop4 j' R6 z0 R& ], `& [( T
<statement sequence1>;% l# t3 i7 A, k6 d/ {
next;
% B- K1 Y* a. y, \; D+ z1 L3 `4 a3中断语句% y5 j- ^; J2 G3 C
waituntil <condition> prio <integer expression>;7 z* e, v* A; R1 w7 M" Z
0 A( `5 g( e0 v& G0 }# ^" T& r0 G1 D( Z( x: }" {
以上为常用的函数！
8 X5 _, }1 ]) K G' X9 u还有很多，如有需要我把资料发到你邮箱里
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