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发表于 2012-11-13 08:48:12
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1判断语句& J( e# b$ ~ C5 [
if <condition> then
" G$ f+ H. @0 \: Z; d* c9 t* G <statement sequence1>;; @1 W) h! H7 z6 }! v" z
elseif <condition> then9 W9 ^7 m& X9 M8 @2 E' b! g
<statement sequence2>;
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<statement sequence3>;
! i* c a6 ]3 ` end;
4 Q9 u. j! C9 S- A8 @+ S如果分支比较多，用：1 ?& V( }& t: W, @6 d
inspect <expression>
; ~- ~2 k' r( A( M6 n0 E) G when <constant_list> then. I2 b V. e$ q4 T' u, H- u
<statement sequence1>;( u: D3 Z V F& [0 J V
when <constant_list> then
4 r' o$ W* J' z2 ^7 q* _& S9 A1 J <statement sequence2>;( X1 `, ?, B7 x. M
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else
3 ^; V, H- a9 Z1 Z: B <statement sequence3>;' V) O, ^+ b/ Y2 Q/ x3 D# B
end;0 m i( J" g1 Z; R: p( [
( |4 b: F/ }/ n+ |$ j T) X7 r2循环语句% F7 _( j" J: r% c: N, x5 o
(1) from <statement sequence1># _( ~% ^/ J: J0 B4 _
until <condition> loop
8 |6 v$ C0 K: }6 y <statement sequence2>;
/ H( a& E( c! S/ a2 f" e end;
8 l: r) S$ |, B! V (2) while <condition> loop: a# Q, x/ ^7 }! O2 n
<statement sequence1>;; g9 D( b2 V6 N) Z
end;
% a, }7 v& S/ I7 K (3) repeat # w/ r6 K+ Q% y. E( N
<statement sequence1>;3 v4 v3 o; k- D
until <condition>;: Q U7 e+ W4 J5 D# {3 k$ [( e
(4) for <condition> to <condition> loop
8 G7 I2 ]. Q6 q: Z+ }7 r2 I <statement sequence1>;
) g" Z# q" U, G5 F next;" d9 Z( _8 a& s" m
3中断语句2 ?4 i0 U1 K# _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
- q1 Z3 i8 f% s+ K* y; B7 u5 {还有很多，如有需要我把资料发到你邮箱里
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