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发表于 2012-11-13 08:48:12
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1判断语句) u0 L/ V- Q$ { n
if <condition> then
6 s9 B# D" o* O. Z' j B0 w <statement sequence1>;
. Z' v7 l( r5 l# |3 M. G elseif <condition> then
7 C- D9 @% n. D+ x <statement sequence2>;
% @1 b% O' Q% H6 M% I! q else
( k' Q, Q! j ?% @+ I2 h8 ~% f <statement sequence3>;
1 e3 h' J) ]4 ]" K end;
5 M/ A, {( k3 H/ s- x S ?# |如果分支比较多，用：' w1 A0 C7 B: L+ b" N+ L) z
inspect <expression>
0 n P5 }. L! e. v+ D when <constant_list> then
( s, s7 o* U1 w1 W# j <statement sequence1>;
$ y/ w5 Q' k1 F/ Z2 }: ^ Y9 z/ p/ _ when <constant_list> then7 X; ]! O& S5 M; J
<statement sequence2>;
$ y8 N2 F- G! a( D$ b: A) t7 |' W ...: N. I8 Y f: _* V& Y c
else
2 k3 Q6 L' }* k( J0 G% E$ k3 _ <statement sequence3>;
. p, C# [& `4 J a7 Y; U4 _end;3 S* `9 a6 n6 p# ^9 r0 {
* o b6 R0 x5 d* {6 j' c* z* a! ?2循环语句& D- e( H) M! r1 G6 B
(1) from <statement sequence1>
0 b( X3 I: S+ E0 k4 w. T4 `8 O until <condition> loop
6 U& K) p( C/ P" J0 |! q <statement sequence2>;
8 M& x. w- E: X( ? M& d6 ?4 \ end;0 @% ]5 ]$ l. Y3 x
(2) while <condition> loop
s' p8 T0 R! @) O" U! b <statement sequence1>;. y0 }$ `" Z9 u$ p$ W4 @& U
end;- y9 Q Y" \2 S* I. v. X; Q- C
(3) repeat
' z# _- E% Q* Z! @$ R4 N& [ <statement sequence1>;
7 _ U( p" b7 C until <condition>;, f7 |& {/ p# O; u+ L
(4) for <condition> to <condition> loop
$ E: ]) j" @1 I0 M <statement sequence1>;. i# f4 T5 N! f+ H
next;1 x0 b/ W2 J7 o+ _ @/ D# Z
3中断语句+ b5 B* f( f5 c$ W" U% I
waituntil <condition> prio <integer expression>;
* b; R, ]0 s' {% H; I' o# W {8 A4 ~/ ]) N2 h! M$ p
: w) q( E8 w: F) q
以上为常用的函数！0 [9 K. h4 M7 F5 c1 c: P" n; Y
还有很多，如有需要我把资料发到你邮箱里 ! X/ r4 z2 V6 r9 a O @
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