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发表于 2012-11-13 08:48:12
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1判断语句
/ G: J- c6 g, D9 g4 { if <condition> then
4 \1 K. }# F: U' p: D$ C( G) P <statement sequence1>;
3 R5 a& x5 [1 j# R0 [- n elseif <condition> then5 o- x' {+ x- {) \5 l
<statement sequence2>;
3 m, g+ w; G# M1 j! H" H: y else ' I( k' u# H! e; z6 P! ^: M
<statement sequence3>;" M% b) H4 K' t* ~
end;
" T: ]2 ^' Z' O如果分支比较多，用：! d) n( }+ G) c2 `
inspect <expression>/ m; P$ I, w }+ V0 t! p) [" D
when <constant_list> then5 S n# Y0 B2 x) ~$ _( q6 h* l
<statement sequence1>;, A$ a4 z# D" a5 P; z1 }7 K
when <constant_list> then
8 v3 R1 |) X# Z! {7 ^7 | <statement sequence2>;
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else
2 v; x5 C4 [, J) Q2 } <statement sequence3>;
$ \: M7 [; Q9 H! G Eend;
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2 y( L) F7 D' B! j4 N, `2循环语句
/ U$ m7 o7 R N8 @' z, [ (1) from <statement sequence1>
: V, u+ u0 \" [! ~ until <condition> loop/ b3 V& y- {' j/ Z4 |6 t
<statement sequence2>;
! G( P7 G# L7 y: }: y" \3 | end;
# E8 _/ l6 d# H8 s$ k; Y- p' p (2) while <condition> loop8 j) q7 } K7 k& P: l- H2 z/ C
<statement sequence1>;
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(3) repeat
0 L6 Z- }1 q$ u `8 l* w6 t5 ` <statement sequence1>;6 O% Y5 q0 s5 t
until <condition>;) e% i( H0 ?4 H# O; I2 y7 D
(4) for <condition> to <condition> loop
) A* C- b4 M) Q! V& m5 S <statement sequence1>;5 _" T# [# C) f; D
next;
4 ~. L3 y8 F6 A5 ]# I2 P- }3中断语句
, W, @0 @' G {6 ~/ n* w! @( A waituntil <condition> prio <integer expression>;
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# b3 P+ @& o% ?; P' ~
以上为常用的函数！
8 K( o- F) X( J0 {还有很多，如有需要我把资料发到你邮箱里 ) Y# p% Z3 d! @% `) y# e
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