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发表于 2012-11-13 08:48:12
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1判断语句% R2 ?9 v7 m/ V6 t P+ ~" T. m1 {$ A
if <condition> then
; H3 w# J# ^( i9 D/ n9 U <statement sequence1>;8 D) h" {- r( ~0 V! `0 Z. I2 I
elseif <condition> then2 e9 P. C* ?' G' w- i" V
<statement sequence2>;% h: H3 I3 ]! V& j7 z- m0 d
else 6 L+ ~8 n0 A, A
<statement sequence3>;
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如果分支比较多，用：
5 P- e3 i/ m# E) d inspect <expression>
6 N0 I0 |, r: P, Q% \, }' M" G8 b when <constant_list> then, I0 X9 ]' S) \9 p, R
<statement sequence1>;
- t( q) h( y( q% K3 I+ d when <constant_list> then9 ^7 v2 Y1 X( A5 m; V, R
<statement sequence2>;7 S+ O: M W6 E9 |
...6 k4 l; x7 y3 \7 ^3 G. n! ?7 j) N% }
else2 B% h0 J: Q6 l4 ^
<statement sequence3>;
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3 ]6 c. H* l4 o. u0 |0 y) G2循环语句# S/ I; `4 h5 ~& U k
(1) from <statement sequence1>
! e& t2 i+ w+ n" g9 k5 O until <condition> loop
- w! r4 C4 r! Z6 t! z5 `$ ? <statement sequence2>;
- a( f/ d* Q8 z5 g) P$ ? end;# `% y% W+ @) @. T9 L
(2) while <condition> loop
, r' t% E- F" p: r Y( I5 H7 O7 G' S <statement sequence1>;/ I& k& k8 K' H! x1 g. X, W
end;
: ^( \* Y7 \0 h (3) repeat
! P, n! _; o2 j( o' z <statement sequence1>;- t( n2 w3 v6 D- B# g o9 }
until <condition>;
6 Y& e( _9 q; X/ S) g: ` (4) for <condition> to <condition> loop" k& \: k1 v9 K3 r) w
<statement sequence1>;1 \- ^4 \& D( j) D2 S
next;
/ S5 j3 N( o4 G9 \( e1 x* t4 J3 Z3中断语句/ T, Y' b# w! g$ I# C" S
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. i6 ^; Y% _( H6 A" C还有很多，如有需要我把资料发到你邮箱里 / N- ~& b! ` I% ]
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