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发表于 2012-11-13 08:48:12
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1判断语句
- f# y% L8 v5 P0 z. b& e" h5 K# x b if <condition> then
7 d6 M" S' A2 n* ]0 Q <statement sequence1>;
/ H- j" R) l" N- x& l+ P' P elseif <condition> then( B1 C% e9 M. \9 t8 ^
<statement sequence2>;
$ t5 u, o+ q7 v, Y/ ]: f else 7 Y; b+ K C9 E8 g [; l' a4 h
<statement sequence3>;
' S! r' {4 r. x! X1 |5 q end;
* {" {$ ?/ U: J7 h' C如果分支比较多，用：7 K x6 q: S2 g0 ~# k
inspect <expression># O1 K! f. J* Z# M1 @8 A
when <constant_list> then. q# t0 m( X$ u' h# o* z
<statement sequence1>;
& a* q# {' I% k$ v3 ]3 {; e when <constant_list> then
6 Y I5 m5 D7 `8 _! E <statement sequence2>;
1 W8 |8 {# j. Z) L' E/ i ...
3 U# V, c" v* H/ j y# } else
( ~- W# {! I! F: S) N1 J1 [: f <statement sequence3>;4 j0 J0 v" j( f' ~( [
end;3 @7 Z% O( F! ^1 Q1 }1 @
J4 ~% b9 |8 t. W" l C2循环语句
& P, i0 ]0 u( _# K. x (1) from <statement sequence1>! l; H* t+ k6 }- F& l. O
until <condition> loop; s M( a: ?* G4 j8 } d
<statement sequence2>;. ]! ~- `. d1 x; m( z" y& o. o: I
end;, e- d8 E/ ]- L5 ~; a6 H
(2) while <condition> loop
+ I- \9 T! Q, g. {) g+ z! W! E <statement sequence1>;! @4 K6 T. `4 ?) ?
end;2 k- Q) u- I* a( v6 Z9 E0 C6 Q
(3) repeat
+ [: }$ x n: {1 ~ <statement sequence1>;, X( B2 ]9 n9 Y' X3 U
until <condition>;1 b) T1 M3 S8 C/ w9 y
(4) for <condition> to <condition> loop5 O2 g; ~' c3 z, t/ x/ p) g
<statement sequence1>;
* D% k! T& Y2 ~5 t& ~ next;
7 g% A: O- l" n: l' \3中断语句3 r, k* T, |( ]/ |
waituntil <condition> prio <integer expression>;! ^* l( ^ B# G4 \+ v- D' w8 |
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7 G$ H4 [1 u$ x2 u% O" ` l/ e以上为常用的函数！
( z' L! t- @$ }* i" o" E9 U5 g+ s还有很多，如有需要我把资料发到你邮箱里
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