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发表于 2012-11-13 08:48:12
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1判断语句
9 ]0 w$ ]9 D) q# T if <condition> then
5 O" H1 G) \" I% U7 B; a4 Y9 h <statement sequence1>;
" P N- l& }/ E9 l, d) G! i# P elseif <condition> then ?: { @$ i# Z5 d& N5 o; i/ f
<statement sequence2>;4 J! o2 S/ m U Y
else
, l& ~7 W* Q8 I4 o+ a <statement sequence3>;" ~. n- l7 c5 j1 t
end;1 e& @" e! M1 c6 a- s) u
如果分支比较多，用：( n4 r6 D/ p+ P; R2 K; N( Z! J
inspect <expression>: _7 r1 F* N% T. X5 v+ D4 c
when <constant_list> then' Z7 Q% ~- |1 t r1 m
<statement sequence1>;
( f, J) ?* T( u; K6 U9 K: E0 c when <constant_list> then
3 S$ F( S& a6 o( T0 s n <statement sequence2>;* G$ x) N$ v& s0 b1 @: ?) y3 ]/ J* ?
...8 G1 j! J( ~( z' T$ ?/ Z
else
6 T8 w7 L( O) G% ]+ \8 M/ c <statement sequence3>;
# v0 K- d% H2 e* hend;
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2循环语句6 f1 _) ^' _ a- ^$ A# z3 f; ^
(1) from <statement sequence1>6 Q3 b( F& C. R$ x+ Y
until <condition> loop
, A8 a! T$ ]! l" o/ W' H <statement sequence2>;
7 K: c S! r. Y% W; D+ M2 K7 \! x end;0 Y% Z' v5 h! P) J
(2) while <condition> loop
' f0 ]( [( }5 ?' j5 p <statement sequence1>;' U- `/ T! Q- d9 e: a0 H
end;
- ]: L+ {6 K& L/ k. X) i9 K- w# I0 N (3) repeat + @8 t( s2 B9 Q% F8 N+ u: ]
<statement sequence1>;! ?6 K7 c6 N* @6 u3 \! k1 v. ~
until <condition>;6 x. a* Z6 A' \2 z3 E
(4) for <condition> to <condition> loop( \! n8 o* P" r4 u N' y
<statement sequence1>;
2 T q. @. d& u7 T( c next;
m4 Q# B2 h) n0 c3中断语句
0 O8 W( \1 ?9 S/ W7 d2 b waituntil <condition> prio <integer expression>;
5 |: V# A4 T8 w7 k( i) S/ x) a: i$ \% a) U1 {2 o) X
; U7 C h2 y+ _$ H" A; n i: ~以上为常用的函数！
$ y, y. I ?. n! ^还有很多，如有需要我把资料发到你邮箱里
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