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发表于 2012-11-13 08:48:12
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1判断语句
* l- L2 q( w' K9 g, K if <condition> then; n& ]+ B/ M1 M- p8 `1 t7 ]
<statement sequence1>;# ]& x; S% X% }6 m6 _" I; s0 x
elseif <condition> then7 o. ^ v; Z3 }. q7 B; l
<statement sequence2>;/ ~- U0 w1 C. j" M# H1 L5 M, V
else * r7 }: }2 z1 y+ u0 P* ]
<statement sequence3>;
' `# _# ^0 C7 h3 n end;
8 ^8 A. J* K3 t, ]如果分支比较多，用：0 D- o% {; g& t% t6 G! [& Q
inspect <expression>
" J- C$ T/ W* X8 A' M3 d when <constant_list> then$ x; h, l- m/ p9 @& h
<statement sequence1>;' k1 _" t$ s+ ~$ n# R! s: m9 Q
when <constant_list> then( j4 B3 v8 h/ O: u
<statement sequence2>;; z/ ~' C2 ^* ]3 T+ @& H
...! ^2 I* I S2 s7 m j/ r3 T
else
/ W; z* A5 ^! K! x* \$ v( x <statement sequence3>; `2 u% k: E# f) J& C
end;
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! N* x$ e& U" F2循环语句- E8 i8 h2 W3 \' s$ A
(1) from <statement sequence1>
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; t* x# O+ _+ ]' P <statement sequence2>;
+ ^ I9 ~4 A+ `2 `4 e end;! i e; f0 Z" `3 N) D
(2) while <condition> loop9 ?7 J. q6 I& i% t: V/ R* f) w
<statement sequence1>;
) J( |& V1 \4 G6 j" T end;7 p9 y1 m+ F& B. y' x X$ M
(3) repeat 1 ~' N$ i+ ?: n- I
<statement sequence1>;# V" w) K8 b! r- b- L5 m. k
until <condition>;# ]8 O7 q6 E0 A" V0 @2 s7 h4 j
(4) for <condition> to <condition> loop6 T3 k# }$ w1 C2 P
<statement sequence1>;
]; v8 e! v4 _$ \. j2 Y next;- e, \6 H! F% o1 F3 C7 D9 C
3中断语句
8 A, ~* @- k& C/ S1 q) z7 K* Q, p2 p waituntil <condition> prio <integer expression>;
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+ v% u9 J5 Y* ?. m% @% k$ J% q& e) D* p6 T' v3 C9 D0 ]
以上为常用的函数！- G0 r8 h! n5 b' l. ?0 v
还有很多，如有需要我把资料发到你邮箱里
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