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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
" {/ C5 d) Z" f" ^* C if <condition> then
* y+ s% D8 ]7 k9 S <statement sequence1>;1 g- t f- H4 M$ P/ A S
elseif <condition> then
# k) ]; z. B9 s3 N( q <statement sequence2>;
' z( l7 i4 V( b) d* w4 [8 g* D else
/ o3 ]: S; E' E8 {# } <statement sequence3>;/ K% z2 r4 b( ?8 J' `
end;
; C, c4 C" F+ |4 k( ?- ?如果分支比较多,用:
( K6 |! l7 M+ C+ X- R inspect <expression># s6 ?9 B) P/ C7 [8 B
when <constant_list> then
$ K" m' @' n" b$ k* ?) Q/ r <statement sequence1>;
R! U0 D8 b5 `/ v when <constant_list> then
. p M! I6 n: J: s" U <statement sequence2>;& O! b, M" z& A# U
...! h/ F3 k( j2 ^1 ^; V$ s( ~
else" v3 `" J# U0 ]) H# @
<statement sequence3>;
' L3 J0 t6 y& e9 uend;
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2循环语句; `; D+ g0 t' S. ~
(1) from <statement sequence1>
1 ~. ]$ S% a- B' G7 N6 ^ until <condition> loop3 W4 A7 R# @( U
<statement sequence2>;
2 p2 l, A. C6 m0 K& ? end;/ w2 `5 R& O" y
(2) while <condition> loop
) G! p9 s% X) N <statement sequence1>;) `, T% u# k/ _
end;; Y1 g: m/ l8 r: D
(3) repeat * k; ~3 q1 d: ]+ Q* G1 ~' a9 i- Q
<statement sequence1>;
" H# I2 A2 Z6 }( S8 Q until <condition>;$ H, u- @- L% L& Z% K; C
(4) for <condition> to <condition> loop! H( M4 j Y2 D- V. O2 f1 o& L
<statement sequence1>;# `9 v/ D5 Y" ?' u) U- B7 i$ Y
next;) Y: R& S) U6 i7 @
3中断语句
4 J5 ^! G( m7 a! Y% C: |' ~" s waituntil <condition> prio <integer expression>; A' ]& U- Q4 D
$ f4 O( ~: ?% ~' b
& l' }; X% g, l: ^/ q以上为常用的函数!9 v2 O$ ~7 v" O" j1 E
还有很多,如有需要我把资料发到你邮箱里 6 g3 |. \% b8 r" U3 A0 n! G- o
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