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发表于 2012-11-13 08:48:12
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1判断语句% t8 k% M$ ?* W- {" w U6 v
if <condition> then! M' p1 |) b; Q" N
<statement sequence1>;6 u* o5 s( w' m$ e! {( @
elseif <condition> then
+ X1 H* E2 ^4 J2 R1 @8 I" ~; o <statement sequence2>;0 ~" f! r F" L9 E( x; F" W
else : r3 I! j1 U% V; _8 \, K% ]
<statement sequence3>;
% K, m0 t9 R2 q' `' b A% C end;
2 T- u: ^: ?' {( R1 I/ S: V9 E如果分支比较多，用：/ n5 t9 A( w9 ~: g
inspect <expression>
( f; h& r; e9 `: r when <constant_list> then7 p6 f. G K* t3 ~
<statement sequence1>;3 ~$ V1 p0 z4 I, g: E4 _
when <constant_list> then& M0 m3 d( g6 I- N$ y( Y
<statement sequence2>;
: }+ ^% n( i3 m, ~ ..." a; [3 k4 L$ I. n E
else) u$ {3 j" t, F! J3 z
<statement sequence3>;9 g- |( h& E! o4 P
end;
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7 X) P; f1 S5 W6 c7 t) @7 z. ]2循环语句/ ]! d" |+ x7 F+ E
(1) from <statement sequence1>
* r* A2 y h9 X. I- F until <condition> loop
1 F, ]) L2 E8 o. u7 d0 R, `; n; Z7 ^ <statement sequence2>;
. c' x/ ~; P, y end;& @1 I8 s2 L3 g. ~
(2) while <condition> loop
& I" i3 T/ t) R. E# P. s <statement sequence1>;
( s" P- t, d0 v# j end;
0 P- U2 V0 K' ?' ~) B (3) repeat
# K( N1 m2 y6 n' l' F5 F <statement sequence1>;3 y3 T. V E0 ^5 p' s5 M/ u& G, v
until <condition>;& E+ B6 a8 i ?. f1 n+ [
(4) for <condition> to <condition> loop
" d$ p1 j3 F1 ]2 x! i <statement sequence1>;0 P2 ^* M# h2 B0 i `
next;: @% P( G2 T! Y* f. r
3中断语句+ p7 K, h3 t4 ~/ _: T# f0 U1 z
waituntil <condition> prio <integer expression>;
+ l, ?7 R' h# p5 f) v& X5 R3 J3 ]& W7 A2 n- a) A, O
& z ]( b0 ^" R以上为常用的函数！& G* J* f4 K) R# T! g
还有很多，如有需要我把资料发到你邮箱里
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