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发表于 2012-11-13 08:48:12
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1判断语句- Y! u# v9 a; u/ s) U
if <condition> then5 C$ G% M* J; Q, E8 [ I% H9 p
<statement sequence1>;
1 b2 ^0 g, F7 \! c: ~ elseif <condition> then, N& _% F: w+ n( N3 k: K3 H
<statement sequence2>;
$ d5 o; p5 q, |6 i else
M) a- M1 {1 L2 p8 y1 A <statement sequence3>;& m$ I* c, s3 S1 I! w* R3 f
end;6 K* G. l/ ?4 O
如果分支比较多，用： t9 a1 j2 f K ~2 I
inspect <expression>
K4 s, b5 S+ E6 l6 }) w when <constant_list> then( y7 \7 N) b# m& B m# C ?
<statement sequence1>;
) I* X5 l( `9 g) A" m1 N8 u" y when <constant_list> then9 Y( [4 }( x" N4 I# p
<statement sequence2>;7 W' x" L' R5 H: F
...
1 Y' ?* u% @5 G L$ K( W# a else" o4 c7 F: J# o, U$ i& u2 ~
<statement sequence3>;
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" t# @5 L0 e) W6 P5 R2循环语句0 a4 O: ?# n) ?) U6 y1 k
(1) from <statement sequence1>
( s% B" q7 b3 F s Y3 X, k until <condition> loop! `$ M1 c( F8 P6 D P' a
<statement sequence2>;- _7 `: |( L a W! z% Z
end;
! f; {* {( M+ G/ }8 L* O- d (2) while <condition> loop
- l7 T2 Y" q5 s$ p) J* \) J <statement sequence1>;# F$ c' w5 T# D% U# l4 Y
end;1 N( U7 F" Q9 w/ o& @3 V
(3) repeat $ [8 F" E* T3 a4 K% i$ c3 u' w6 r. k
<statement sequence1>;" |; h# L1 l) @2 F2 w
until <condition>;
0 {$ J" O6 X. ], ]. O6 w) { (4) for <condition> to <condition> loop
! r* {( W4 j: O <statement sequence1>;* ]) R4 c/ v, v! y7 l* o& B
next;
# @6 Q% V$ G6 I3中断语句! t* K( o' l4 V, H
waituntil <condition> prio <integer expression>;# D" V, R8 Y: C0 Q
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以上为常用的函数！- j( F. @8 ?' v
还有很多，如有需要我把资料发到你邮箱里 & ?" |& C7 {, {1 t% @% V6 h
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