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发表于 2012-11-13 08:48:12
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1判断语句
+ O' L+ C/ h: k8 r if <condition> then
6 D+ X% d: }" x$ n$ G <statement sequence1>;
+ ^8 ^' ~& W7 U% O3 ]0 k% c. d elseif <condition> then
( N+ ]. C: o) [ <statement sequence2>;, G) t. I1 l! H0 p T
else T7 H% N8 H# N( @- F# i
<statement sequence3>;
* Z7 S( S/ J& n- f$ G: J end;9 J. c% W8 g P
如果分支比较多，用：
/ E0 |( H. \" {+ K inspect <expression>- s$ v2 l; A8 I* y" V0 ~
when <constant_list> then, W1 g1 v. B0 }) j D0 m9 m9 P
<statement sequence1>;
O; L; C) B$ v9 x8 e6 g when <constant_list> then9 Z, b$ x* I# x9 N5 k( @$ f" Y
<statement sequence2>;0 X1 U j# s ?8 x5 h3 i" a: v& |3 i
...
/ I" z4 u7 U5 S& l else- |: ~5 D0 Q' D0 p
<statement sequence3>;
; [7 q0 f9 @2 M: N- Dend;0 @& _$ Y! A6 c8 z, ^1 R8 G J
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2循环语句: u) D/ S+ F& ?( ^5 a( a
(1) from <statement sequence1>4 e8 v1 L7 F7 G- v
until <condition> loop: a* l9 [1 L$ c. `( P
<statement sequence2>;% p h6 p8 H$ |2 J
end;
- B" m: ~3 b- N5 A (2) while <condition> loop9 K0 J- G R# w/ a6 b( S
<statement sequence1>;
- h% q; X, y9 A5 @ end;/ ?* h- Q9 @; u/ i; g: [
(3) repeat
+ V* L8 q$ a, \! q5 K4 { <statement sequence1>;
' Q% M% o5 f! X* r5 y6 g8 p until <condition>;: i5 B3 O) X7 H" o: ^7 p- b+ C
(4) for <condition> to <condition> loop
, G" @0 u- E. p! p# p! G <statement sequence1>;6 l+ Y; a, R$ d
next;5 n, a8 W t4 B' p3 V
3中断语句# e+ A: {2 V' C- E: d. K1 n
waituntil <condition> prio <integer expression>;0 A F5 f( G- f) P Y. |% X" G
2 r; n- A, K/ M- l' W
) L, w! \, D- C以上为常用的函数！
* v. [' _8 M6 n9 ~还有很多，如有需要我把资料发到你邮箱里
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