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发表于 2012-11-13 08:48:12
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1判断语句4 j4 t+ b* |" |$ g
if <condition> then
: Y) N1 D' W( D: K# `& | <statement sequence1>;
6 x8 Q' A4 Y2 b% d. { elseif <condition> then
# r4 n& E$ C _( i& x' W. @ <statement sequence2>;) w! `7 t, N: |& `
else ! U! g8 k! Z$ m' t7 l$ P* G' n
<statement sequence3>;8 i8 d% p* p4 d0 q% K5 N
end;
+ a6 |( r6 g) K9 B9 b如果分支比较多,用:! {( G" E9 Y! }0 M
inspect <expression>+ R$ R5 t- n, D, {6 y, P3 ]3 Q- S
when <constant_list> then$ Y" [: c7 y) C; K: k
<statement sequence1>;
2 \: s& Z/ G) }# c. p) O. ? when <constant_list> then
& L2 \" }$ Q" T0 r) G8 N: ]+ | <statement sequence2>;
+ Z3 x+ A# J5 M3 \ ...
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<statement sequence3>;
+ m3 ?, m/ Z) u$ \. g2 Send;
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2循环语句1 B) V- u' K. C& @6 U5 I) y
(1) from <statement sequence1>3 R9 R7 q' P v1 N6 W/ W9 g) H
until <condition> loop9 a2 u! v" [1 i6 a( A2 z: c1 A
<statement sequence2>;* W: ?0 m+ F! q
end;5 z' K& t: E% l
(2) while <condition> loop7 i4 a$ e+ ^# f8 m% j% Z" V7 C
<statement sequence1>;
# B- h. c. a( Z4 J6 P: _" A) r end;6 W8 ]- h2 x. j- j7 s4 k
(3) repeat : v4 S: J3 N" ^ c
<statement sequence1>;* u( p+ q0 Z; y7 ?- Y3 J
until <condition>;
1 R8 a& p5 V8 V. z! |% F (4) for <condition> to <condition> loop3 g$ J3 c7 m+ C# ^/ T. E
<statement sequence1>;2 ?7 H0 S2 k& g& w: H
next;: L7 \7 j3 M" T/ x/ `
3中断语句
, N9 G! U/ \" Q7 x( `5 i" C4 W& P waituntil <condition> prio <integer expression>;" i p/ `5 r6 `( j% s% \
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以上为常用的函数!7 b4 \. d% p1 v) F" U" a( c: E
还有很多,如有需要我把资料发到你邮箱里
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