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发表于 2012-11-13 08:48:12
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1判断语句# [7 F/ y, z% v9 ]+ t
if <condition> then
5 ^; E1 X* S# ~+ `8 Z <statement sequence1>;5 u M& l( L0 r6 ~" {1 j
elseif <condition> then
; L1 a$ U1 g' |9 x% q- x7 r <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：, f7 q; K) Z% H& q+ q! t
inspect <expression>1 t( D* ~& w2 [$ s. A0 v- X" k6 d
when <constant_list> then% q3 p- s H- _7 ?. \# P& b9 d# U
<statement sequence1>;4 M8 F6 M% G4 A. Z+ u3 K
when <constant_list> then% u2 s( ~' W& c! H! z7 A% e% c
<statement sequence2>;( z4 x( q' w; L. `. a& k; V2 @
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else7 S: n: x+ @3 Y6 G( v9 o( \
<statement sequence3>;
- g9 e' z- \) E- a& Rend;
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/ ]2 V& Y2 _% y( f; i2循环语句
7 W3 z2 e9 K, h& j3 E7 o% J (1) from <statement sequence1>0 F( P9 Q3 A0 H. c2 C/ D+ I
until <condition> loop
P( b- r, u7 l+ ?/ ]$ g3 H3 \- N <statement sequence2>;+ w! t' I* o5 C: A: R
end;
) J) q' e2 c6 C x (2) while <condition> loop
' ]0 I# Z N) q4 ^$ K8 b2 ~ <statement sequence1>;/ m( t4 t, n) l+ ~. s- E
end;9 w! l5 R% L* l* g7 I( y
(3) repeat ; ?! n+ y9 T9 r2 C% q6 [
<statement sequence1>;3 d* _7 Y# g. Z
until <condition>;
0 s; ]: E5 w" c: F+ b6 H (4) for <condition> to <condition> loop. x# o- \+ D C8 [. [
<statement sequence1>;; ?3 i% i9 _: ~% t
next;& U. c. @+ J2 O2 s" b% {8 P# m
3中断语句
; G; e9 u3 r* c waituntil <condition> prio <integer expression>;2 W& R# h R" w7 S, F9 R, H
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以上为常用的函数！8 C% G1 J- b1 d) b. R& i' o
还有很多，如有需要我把资料发到你邮箱里
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