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发表于 2012-11-13 08:48:12
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1判断语句# g8 a+ K) a# h; Z5 r
if <condition> then2 n( }0 x; [: s; S- U6 ?
<statement sequence1>;8 v. i* J4 T( [- R5 `& L5 q4 F
elseif <condition> then2 z( E1 x8 ~( D
<statement sequence2>;9 U% j# L H# A1 }7 A
else ; M5 n" g& i1 Q% m
<statement sequence3>;' J; s8 t! Z: N! ~/ t6 N
end;
- F* w; q& A8 s如果分支比较多，用：. z2 W* F" W, y) c R! `
inspect <expression>
' H Y9 o' U- @1 F& t when <constant_list> then* a0 t4 W. v9 S; W
<statement sequence1>;
- [( Y; F( O$ b: r! G' d when <constant_list> then( a! {( O& U7 a3 q' {
<statement sequence2>;0 x9 E6 Y- B+ {$ `. Y8 Z
...$ |. ^; `( B; v* v+ I0 a
else, y/ U. m1 M% y: a
<statement sequence3>;
* ]! {( k0 X8 d" Dend;
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2循环语句
7 C: J6 ^& V5 B% _1 c (1) from <statement sequence1>
0 Y2 @, ?$ ]% j4 g until <condition> loop" T4 n p$ g9 m: D2 ?( u
<statement sequence2>;
+ h7 v# F( r1 G; r end;
0 }3 @2 B* K) G: m- p (2) while <condition> loop
1 f# a& [1 \5 w1 B; A7 U <statement sequence1>;2 C- E* \. K$ e" y
end;8 M; d/ E) N4 U% O1 r
(3) repeat 3 [/ g8 S3 M( y Y; }! `
<statement sequence1>;# G4 V; o% G" K }) M2 P% K' t0 c+ z
until <condition>;) B) J0 n7 n8 V: N& A. F
(4) for <condition> to <condition> loop1 Q* S, U1 E. R, t6 D8 B5 \
<statement sequence1>;
" R9 k8 A2 U* y, X next;
/ g1 y$ V% I4 I6 Y5 R3中断语句4 ?% \5 O$ N s. J$ t0 Z- t/ A
waituntil <condition> prio <integer expression>; d5 y7 n/ H. o9 T
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* D5 R0 o. q$ m以上为常用的函数！8 m, {/ a) Q \5 x" B) T
还有很多，如有需要我把资料发到你邮箱里 % b8 A# H" f" i5 L* A" V
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