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发表于 2012-11-13 08:48:12
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1判断语句
: s5 F2 l( W2 O. i, x: h: H2 P if <condition> then$ G! @ l" D8 T: H# G" S8 Q1 Q
<statement sequence1>;
, @0 t+ W% n9 `/ l! Z1 q" C6 ? elseif <condition> then1 C6 V. E1 r$ j0 E( r* Z+ u1 r, T
<statement sequence2>;6 V4 l9 K" y) T) c7 \
else - O+ |- G( Q* O {+ v' N; n
<statement sequence3>;
. y( c7 P, i4 V end;
* F2 u" ~; m& Q" b+ F: G* l如果分支比较多,用:' k% a. U+ u1 t9 ~5 y, V5 Z
inspect <expression>
! X+ S4 T3 i2 Q# ]( K3 \2 d: o) K% k when <constant_list> then
: w1 T& O9 l3 S' j6 S <statement sequence1>;3 r: v% c3 H- L8 K% d; c
when <constant_list> then
( g0 e! Y- v4 p: d2 G+ y <statement sequence2>;
! l1 f. V. ]: G+ s2 U4 C) c3 w ...
0 t1 P. ~4 G# x1 X else
+ K9 @5 l& h& n+ ?+ }# f <statement sequence3>;1 x/ Y5 W0 w, q' i# u! g) ^# ~% ]
end;* m5 J( K( F$ p. B) a
2 e3 N" e* ?2 b8 B& \& q% I2循环语句0 G# H8 I! u( p2 o) d( R
(1) from <statement sequence1>& Q, ] z( M: q+ Q
until <condition> loop$ }# T9 `% d: E3 p: B* @% G
<statement sequence2>;" ~; B1 e# d/ q0 R
end;; m8 _* q2 X/ {$ p/ t3 q( c3 ~+ i
(2) while <condition> loop
8 z5 B( r9 z# z9 z <statement sequence1>;& [ [4 R7 q: b- Z
end;
! B8 X" d, N Y1 j (3) repeat
" C9 J0 u O" ^+ Y <statement sequence1>;
; t5 j# v9 C+ o3 T1 T until <condition>;
0 F" R4 B N* z6 M/ p (4) for <condition> to <condition> loop* Y8 v9 X2 Y* i8 y
<statement sequence1>;
; C$ B ~1 L9 E next;) s4 s- H: n( y
3中断语句 D* o/ r8 l' i1 X6 J
waituntil <condition> prio <integer expression>;
3 d+ N7 o/ p" l: E
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以上为常用的函数!2 c5 h5 `& R# W* F+ g0 S$ k) V
还有很多,如有需要我把资料发到你邮箱里
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