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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
7 m; \6 K9 n9 D0 z if <condition> then- G7 h3 e( B2 p0 z& }% z
<statement sequence1>;* O$ Y5 ]" _3 K3 `
elseif <condition> then
3 E2 f- h7 P" {% h <statement sequence2>;
' X5 ~2 j& N# w0 `# v else ) p* l: a f2 d1 ]
<statement sequence3>;# V6 n) O6 H9 X3 ^/ R
end;
( u) s6 _4 I/ O$ X4 b1 @, i: z2 w如果分支比较多,用: K5 ?& s* `( q3 g
inspect <expression>4 Q% W7 A) f7 D- B
when <constant_list> then" c1 p; ^; u7 |. y1 @9 y
<statement sequence1>;# k3 n/ X. b# u3 P; e5 G
when <constant_list> then
! x( Z! K0 N* p2 r <statement sequence2>;4 Q+ i8 ~, m9 x2 h
...
+ N1 m; R7 M6 g' p; _2 A& k, n; h else/ C8 h1 J; y. W. t. l: j+ [
<statement sequence3>;
9 T# Z. i. [+ uend;( P4 r8 u0 Q9 L3 n) m
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2循环语句- z. G3 F6 ~7 Z) q: Q
(1) from <statement sequence1>- i( g1 m; U+ f1 M: g" H4 l
until <condition> loop
. }( [9 _! ?: m* {. `4 I& n! t" O% A <statement sequence2>;3 a- q4 q( ^! C# x. E) [
end;
! K( X% K, z* t6 G3 Q (2) while <condition> loop
+ x! M" O2 y/ V/ P1 c( ~( [. k <statement sequence1>;
! Q' e3 B, M9 n end;4 \; w' P G6 U) j7 p( G1 o1 l3 L( L
(3) repeat 2 @9 K1 Y- B4 |) \
<statement sequence1>;" i( S4 Q H% i- ~: l
until <condition>;2 ~. L, i( |7 k/ n7 j
(4) for <condition> to <condition> loop( t$ r$ ~3 }4 q7 i. f8 J7 ~) g2 Z
<statement sequence1>;
' W7 h" U4 I9 @4 w5 n' K. |. [4 B next;1 v' b0 i1 D" h" u9 T+ ]! M
3中断语句
% |' Y3 K1 O/ \4 @ waituntil <condition> prio <integer expression>;
- U5 _9 H8 z2 q# j" c& e6 j9 Z, V' ~; I; ^: A. X7 b% G
- B+ K+ N" i x4 T以上为常用的函数!- ~8 i. P/ w6 l' h1 u' I- J: W
还有很多,如有需要我把资料发到你邮箱里
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