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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
4 s0 z6 {* y5 f% d if <condition> then
. {5 q) S1 P; Q. v2 i2 {8 O9 t* s <statement sequence1>;
* V Y3 Y0 M8 g3 ^& c, @1 O elseif <condition> then4 l$ ?+ z( x" {
<statement sequence2>;
; ]- G, Z' r- l2 s$ f else
5 z( D$ [' K+ v3 b <statement sequence3>;
& m* r5 q0 O1 c7 c8 I end;) N2 ~6 Q: d' e- B4 r0 M9 e- F
如果分支比较多,用:1 Z* c6 `% x! v; f. w* \! E6 J& P
inspect <expression>! C* n8 ]' {# c+ h( T( o* V
when <constant_list> then6 z H" Z; t& Y* n0 x4 _
<statement sequence1>;3 F3 O8 Y6 Y4 R/ n* o$ G8 s
when <constant_list> then
/ s* P9 ]- l: U1 Q* C <statement sequence2>;
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else
8 ~" l6 l+ v4 t <statement sequence3>;8 V# ]2 Q7 E! q; M" a" R" z
end;" G3 ^! r* g' W. @# ~* o" i1 B4 C
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2循环语句
+ m- a8 K$ h% }7 e3 d$ d$ N (1) from <statement sequence1>
( m+ f5 P" u7 \; @, H B until <condition> loop1 o7 V! t: ]$ [8 a
<statement sequence2>;
& S5 `) q* q( l6 y end;7 n4 }$ n7 A Z
(2) while <condition> loop
4 p9 k7 \& T' F( X% `1 y8 x# D8 n! a <statement sequence1>;2 ^/ @& K$ M8 O3 w: d- I
end;
7 l# W3 \) L! y6 g5 \: N! y (3) repeat - c4 c- k/ }' c* E% @: j! H
<statement sequence1>;$ @2 a- W9 u+ C0 i! { B) j) |: A
until <condition>;
4 a; ?8 W: e. {' D) T (4) for <condition> to <condition> loop0 W5 a8 h. K& X8 h1 e* J
<statement sequence1>;' l+ g2 p4 K4 {: \3 R
next;. ^* a/ a# u: A/ S: p
3中断语句7 P- Q9 a2 U- {$ z0 J3 \
waituntil <condition> prio <integer expression>;
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' J) G5 R' @- t5 h( o以上为常用的函数!7 }) D; H8 {/ M7 I
还有很多,如有需要我把资料发到你邮箱里
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