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发表于 2012-11-13 08:48:12
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1判断语句
+ @, g, f2 B5 m0 H" k# j7 F; z if <condition> then
. ^: E% u, g8 B: G) p6 |4 p H <statement sequence1>;
# E, z* M0 D. e7 ?5 j5 f elseif <condition> then( H. ]2 |/ M7 r; G# K- P0 A! o$ Y1 S
<statement sequence2>;
) d4 n: {- u' J4 W8 p2 I0 ` else 6 F3 w. S( {3 u. M% I n
<statement sequence3>;
3 Y) ?0 M5 p% `; V+ W+ \) K9 w end;' h" K' L" m* o6 i' x
如果分支比较多，用：/ O e7 A9 |( N( q( v3 [
inspect <expression>* u7 k' a/ v( @2 a6 k0 B
when <constant_list> then
9 L5 Z- |7 ~6 [! t; c6 o, G <statement sequence1>;6 O0 P3 o' f' r! p
when <constant_list> then- u4 a! K! k& M/ }& _: Y9 a
<statement sequence2>;
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else6 D. E6 t5 R, }1 w" w* T* {+ p
<statement sequence3>;1 H+ E5 y3 ^* w" r. j. W0 ]& N/ ~
end;
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8 L8 ^6 i6 ~ [2循环语句- d5 H7 Q$ k9 x: P! K4 u
(1) from <statement sequence1>3 a1 ^" }6 ?5 X( d5 b
until <condition> loop
9 m0 J# j5 z8 W4 U8 t <statement sequence2>;; M0 s- ^9 R3 F
end;% n) G+ T: D, s( U# S9 P. v
(2) while <condition> loop
5 {5 y( M; F7 k; q# I <statement sequence1>;8 ?. b# y+ y# H
end;; {8 m, S$ _& X4 V
(3) repeat : L% [9 p5 A/ Z$ D
<statement sequence1>;
@* ~8 K3 L" D- S; V$ t. F0 P1 L until <condition>;
$ |5 L' K) z" L0 ]3 i# t5 e9 B (4) for <condition> to <condition> loop0 E+ O+ H! c9 F: t4 P
<statement sequence1>;
3 j3 r$ H) ] \ next;
6 m8 U9 N# H; l; O2 `9 A9 n3中断语句
8 a" M C0 x) e4 t4 S: S waituntil <condition> prio <integer expression>;6 t) g* V* K" J
0 d) {- V Q8 k' U: r# f' ^" D( o/ U! [/ {
以上为常用的函数！ U) o" @! S: A) U: a
还有很多，如有需要我把资料发到你邮箱里 " d& q5 [- Z; m; [
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