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发表于 2012-11-13 08:48:12
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1判断语句( J, _' l. ~, T' Z$ z
if <condition> then2 n7 m7 J- I7 ^+ j# j
<statement sequence1>;
' b- u6 `& P$ p& Z6 H- H9 H elseif <condition> then
5 p1 R3 @8 q. R. T <statement sequence2>;
4 \5 t+ U9 Q m: H" f2 U else
# m4 {) { q+ V7 E, x7 V5 r9 ^ <statement sequence3>;: D' _' Y" m) F7 R+ c( R
end;: c* U0 d+ \' `; D- N5 Y5 j; d. Q
如果分支比较多，用：* x$ O3 S! `1 g
inspect <expression>
& a% ] D a: Y7 @, M when <constant_list> then
+ S% e; L! {$ K <statement sequence1>;4 q) Y! d* N# i( f1 I
when <constant_list> then
6 v' b; _' q6 |: y( i <statement sequence2>;
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else. }3 G u" O( H; H8 L- K; c
<statement sequence3>;6 {2 {0 i; T! Q) x! e% c! \% \
end;
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2循环语句
% q3 \: ]! C, d; F% X$ v2 X: k (1) from <statement sequence1>
( _( `, g9 n* x2 P* ` until <condition> loop
' }8 h, d n" s( a <statement sequence2>;) \" R( |: s* @9 g4 h: |
end;
- A d; n/ ~8 R (2) while <condition> loop
3 G0 a3 O* ~4 b" ] <statement sequence1>;2 F6 ]9 H9 O; v. A% Y
end;
& ]0 h, A$ B6 T% n! G (3) repeat
: S" h: H: m4 Z" [! K9 w- R <statement sequence1>;/ {- I: a9 l# C7 @3 L
until <condition>;6 ^( A# i( i0 G2 B) @
(4) for <condition> to <condition> loop( H {+ U; s N" J/ o5 A
<statement sequence1>;
3 h/ \( Y, B) R. C- b* N next;5 ? q3 N0 h* f! E1 M" Z
3中断语句
9 L) b: `' ^7 t+ Y waituntil <condition> prio <integer expression>; ^2 O5 j( W0 e: d
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以上为常用的函数！
! a- R4 ^! D% W& Q# M/ {还有很多，如有需要我把资料发到你邮箱里
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