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发表于 2012-11-13 08:48:12
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1判断语句
# [# @; j; F9 b# D6 S4 m6 F% }/ w0 g if <condition> then
$ {; g, q4 m% V$ d; J o <statement sequence1>;
# [/ ?- r/ m% d% }, w+ i3 Y9 X elseif <condition> then& L# E$ B3 }2 z
<statement sequence2>;
7 B3 T6 E4 a& ~. v else
- S0 H: g; d. d/ _ <statement sequence3>;
# J6 N& q4 Z) X. Q3 M6 _7 L end;
6 ~1 Y% i s% E8 V: c5 ]* J如果分支比较多，用：
1 U3 I. ^6 H+ d3 e L inspect <expression>6 R( y m) ^; a6 e9 P; m6 D
when <constant_list> then
8 a9 H4 n8 p; K7 h9 p) L% ]# W <statement sequence1>;7 _) w9 { U) N0 C1 R# A' i
when <constant_list> then
3 a* V. V2 b7 _ <statement sequence2>;
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else
4 i; n8 V$ Q) B1 `$ b3 z4 c/ P6 | <statement sequence3>;
/ m$ O+ Q( f1 f8 `end;& x7 b0 d3 \ s7 y# S" C
, _$ W9 i) Z* E. N! H' }0 ]2循环语句
+ f5 W# R- [' {: O+ W (1) from <statement sequence1>
^& P& c9 O; e3 z6 Y' O until <condition> loop
8 ~7 U$ O5 E) f/ `% j <statement sequence2>;
7 R: }" j) E. X- O2 h5 w( [( a end;
8 e/ T" y% L- P5 @ (2) while <condition> loop
+ d$ |2 @$ s2 M1 |3 V4 ]+ C <statement sequence1>; Q7 l; A; z6 r9 d6 e0 l
end;: o, F( y; {- s6 s' t9 |, ?
(3) repeat " N) O8 e: h& [' S3 M' L! h
<statement sequence1>;& u, D( E# c* U8 g3 x
until <condition>;
: b1 Q3 h8 W Z& O (4) for <condition> to <condition> loop. B. o" {/ _; u5 `4 k$ J
<statement sequence1>;
% l) E( m' j4 Z next;' O# g/ ~; P; F4 O
3中断语句# v# h% F7 s5 R: ~
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
& g6 x. O% m! H. F# J% F还有很多，如有需要我把资料发到你邮箱里 5 A2 p% o9 h- p' ]7 P
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