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发表于 2012-11-13 08:48:12
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1判断语句8 A" L% ~& n) z* ]! i6 ]7 @* k
if <condition> then5 ^3 m" |* V) W/ n4 L+ i# f2 Y
<statement sequence1>;
" D% R4 Z1 L; D/ \3 o: F4 O elseif <condition> then' O2 y2 j6 E7 ^# V" U- F$ H
<statement sequence2>;
/ A. r4 E7 M" K' n% U5 u; l else 1 J: H" }) h; L( ]8 l. f9 p
<statement sequence3>;
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如果分支比较多,用:5 |. p+ V6 P6 Q O5 K
inspect <expression>5 }# _, ~6 C+ e3 N0 D) `6 O
when <constant_list> then8 `6 ~( P' k5 `& S7 P5 z
<statement sequence1>;
+ y% h8 V, V# l v [. d# b when <constant_list> then& l6 @$ X3 R2 j4 [2 R2 T. ~
<statement sequence2>;* \7 l' n; L) S0 r
...8 O. u3 R4 E2 G! X
else3 [3 q) F4 \- @6 M2 g
<statement sequence3>;
/ S# k" W( t( v0 Qend;4 P- _' m9 T( d m j
/ g: Z7 K% x( I& Q2 O2循环语句0 K( _% I5 @9 |' w9 t2 a: Q$ P& M
(1) from <statement sequence1>! |, j& o5 y U
until <condition> loop6 t9 t( B$ w: q- B7 I) i2 ?# f( M4 {
<statement sequence2>;
1 G3 [ e5 h9 R5 B9 b end;. e( |2 a; l" F$ f+ a4 [' M
(2) while <condition> loop5 X: z9 \- N; o
<statement sequence1>;
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(3) repeat 8 Y2 N7 k( [, p$ h3 M' F0 d7 b: T
<statement sequence1>;9 ?* Y+ Q3 ?$ P1 o% ^0 S
until <condition>;
9 [* i$ S% ?* W (4) for <condition> to <condition> loop# M+ y8 [: V: o# ^/ d. P
<statement sequence1>;
5 d/ P* Y8 X2 h9 f next;
! o7 {$ H# S8 U# A7 y) `8 {6 J! G/ m F3中断语句3 `( S6 V4 A, [6 F- U1 L- O- [& Y
waituntil <condition> prio <integer expression>;( t: d5 |. q. s& u; a' y5 J
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$ s m8 W7 b! c+ U( R( ~; V以上为常用的函数!
8 L7 K, W. q: q+ J' ?还有很多,如有需要我把资料发到你邮箱里
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