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发表于 2012-11-13 08:48:12
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1判断语句- M+ C) X2 l* o4 ^9 p. W
if <condition> then, ^$ h5 D* ^* K6 t3 j3 U
<statement sequence1>;
9 e' ~, R2 V2 b, z# B. B elseif <condition> then% G' t, ^; d6 R2 c
<statement sequence2>;
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<statement sequence3>;) M! l0 _! J" k/ r8 s
end;5 ]4 |( C( x, d. v
如果分支比较多，用：9 i# A! q: H0 S7 T8 Z
inspect <expression>
1 t }/ U2 |4 e when <constant_list> then4 z7 c3 l$ v7 V" N
<statement sequence1>;
3 W2 u8 h# s0 e3 R, u# G when <constant_list> then
- r; R: j$ Z$ d& t& b% m <statement sequence2>;
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else- g, j6 F$ O" {
<statement sequence3>;
3 n+ j0 x2 `: j2 v9 b! L: ~end;
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2循环语句2 u3 P& ]/ Z% @- n5 l
(1) from <statement sequence1>
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<statement sequence2>;2 d9 S- i2 g- W; |. t
end;
6 B" T4 B4 Q9 r S1 w0 U9 x" {& u8 `1 h0 F (2) while <condition> loop
& p S" u' o2 \; z. @& K6 [, r& } <statement sequence1>;
2 a9 G4 I# g& J( h0 G A end;. N7 O9 b% E2 A' K
(3) repeat 2 {8 N( ^8 R2 W8 C3 K6 O/ l6 m3 Y
<statement sequence1>;# z1 @* ]% Q0 n4 D5 S! d
until <condition>;
2 P' y8 }* G/ Y3 u2 V& L (4) for <condition> to <condition> loop
6 A- x. V, l0 y" g U7 t- C) J <statement sequence1>;
: z2 ?- ?& Z* ?: u" [ next;; A ]1 I* F4 x S
3中断语句
7 T! m* v }, L4 m0 f& O7 v waituntil <condition> prio <integer expression>;" @! h$ X4 l0 O
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以上为常用的函数！3 I4 l. _8 T# r
还有很多，如有需要我把资料发到你邮箱里
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