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发表于 2012-11-13 08:48:12
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1判断语句. @2 q1 Q( k5 k4 T/ K1 `
if <condition> then; D) ~6 H* ]; S5 L8 V- r' s
<statement sequence1>;5 D1 E5 p1 M8 J' a' ~7 k) S1 S
elseif <condition> then" X; ?! r& h% Q( R( w
<statement sequence2>;+ b( @+ P1 {3 Y6 n6 Z
else
" p& R, }* D- [7 c; }* @ <statement sequence3>;
' p% [6 Q1 G& f0 n* R2 m end;
+ Y+ G% n$ m+ t+ [如果分支比较多，用：
/ D6 ?" F8 [' l% @ inspect <expression>4 T. b9 h+ R3 H S
when <constant_list> then
- ^4 M: Q2 M& n4 D/ J I <statement sequence1>;
, Z5 B7 c2 b) c( N1 F7 @ when <constant_list> then5 t; p$ U2 U# E" C h' ]
<statement sequence2>;, i" M) I4 ^, Z {. d
...
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<statement sequence3>;
" ^ j+ G0 z% `1 eend;
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2循环语句- f# V7 R& A5 `# `: e
(1) from <statement sequence1>: }# I$ f+ c/ d7 Q( G* M3 C
until <condition> loop6 J+ r# E: U* v
<statement sequence2>;
( P) J- }5 l6 [2 o; K# n end;
! o j7 G/ ] j! A6 X (2) while <condition> loop
9 O: j7 |7 J, b <statement sequence1>;
7 h. M( L$ G9 h8 l) S0 l end;# K% F. w u) Q L# S
(3) repeat
) t- y4 D% W3 [( K2 c <statement sequence1>;/ p8 W+ b) R5 L u% B/ C
until <condition>;
; R! x! \9 [" K9 a (4) for <condition> to <condition> loop
1 w/ |( g% [) s, R <statement sequence1>;
- \# d* v5 ]3 x* \; S& G( i next;) c+ [& M1 ?' }+ w3 G. I
3中断语句/ S1 U' A; m/ v& N) Q* F5 w
waituntil <condition> prio <integer expression>;
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: {# j/ H2 _2 b9 E以上为常用的函数！
. t$ E* a G. E: a$ t5 g4 o: H还有很多，如有需要我把资料发到你邮箱里
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