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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
* n: n7 z( n! j if <condition> then
0 e* n# ~+ v1 w) H5 [4 ~3 j& W2 z2 Y, P7 K <statement sequence1>;6 c6 f0 V6 U. x" w F
elseif <condition> then
6 P" N* i( V+ ~% U% f; Z <statement sequence2>;
+ z/ {, |. N9 B) [7 t else 7 Y4 p( Z3 ]- H0 v V
<statement sequence3>;
3 c n4 \7 C$ l7 ^; R2 h$ V end;
% @ d7 O+ C. P- @3 l如果分支比较多，用：
& P5 E+ Y( L' ] inspect <expression>
3 [( R& [' h- a when <constant_list> then q3 I) e8 O! _: A5 D
<statement sequence1>;
2 _# B c4 F! c( t% G when <constant_list> then
6 l) o, r& e) r) p <statement sequence2>;
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else$ P }5 S8 ~! s1 E9 F+ I, e
<statement sequence3>;
7 Y$ F# ~; ~) b+ Pend;) j, n6 p5 E1 B7 m8 [9 i6 p
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2循环语句
1 f$ z' o0 q, d (1) from <statement sequence1>
0 k( B& K9 ~" s9 A$ Y+ K/ [1 o until <condition> loop; V4 ]9 x! R: `- J0 O- c4 |! f
<statement sequence2>;
) V6 t. J/ e/ e1 p3 X m end;* S4 b: m1 M5 `7 h
(2) while <condition> loop
& k# V5 H2 g/ \, p8 M3 M <statement sequence1>;
8 K: u% t. Z" H) z end;
0 M2 n8 C, O" j$ o/ b1 N- h (3) repeat ( V4 R: M& d/ f, N
<statement sequence1>;
* E- h$ c/ t4 H5 g) t" ` until <condition>;! c g2 o( {+ g. W, C2 T+ i5 h2 s P
(4) for <condition> to <condition> loop# z3 K+ L- T3 e5 e4 G
<statement sequence1>;
$ }% i4 l; o! K2 U next;) T# [% `+ ?* p8 m% s5 c
3中断语句
7 \. C J+ L% Y5 N! { waituntil <condition> prio <integer expression>;2 u# K' M- Q0 Q: ^
0 D1 _$ {, q& x) D
7 @: ^$ ?0 x) I2 Y! ^8 I) j) k以上为常用的函数！% U2 q; Q0 _' |9 c: c' D
还有很多，如有需要我把资料发到你邮箱里
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