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发表于 2012-11-13 08:48:12
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1判断语句
- n7 s: w a3 N if <condition> then
5 H; }7 M+ `; }) }# A: c <statement sequence1>;' G' ]. m8 x" [( i; e9 }
elseif <condition> then) N3 \7 x. @. s9 z9 @
<statement sequence2>;5 Z. l* `! v. B: M0 _; h
else
- T" b7 _2 Z) g- F- d& z& J <statement sequence3>;# G* b, V* C; a: s- G
end;
8 K% N0 ?0 z+ }, F' U0 ]如果分支比较多，用：
t: q8 X" r1 W' W inspect <expression>+ J. k) S8 n6 s+ c" c4 [
when <constant_list> then
2 ^5 n/ J& u. d: G% Z <statement sequence1>;
: a0 e% `8 b4 s3 }+ B when <constant_list> then
) P; ]' K+ y4 a! i9 q0 N <statement sequence2>;
2 \( g4 `# p/ N! l3 I9 l ...
* u9 s0 }2 s9 b5 W% D4 ` else
- ?) p: g5 U$ g# M <statement sequence3>;
% V. A2 Y9 J% O1 _4 V" }' hend;
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$ i6 E3 A6 s( a, M7 T3 L0 Q2循环语句
- Q' l- c( V$ B/ g+ Q (1) from <statement sequence1>
" Z: ?7 v# D; N- j: { until <condition> loop
5 S) p0 ~" y" v <statement sequence2>;
1 d, t$ d; c3 m) `4 {; x( _' U end;
/ l3 B5 T3 a6 m" E. u* y7 Q7 K (2) while <condition> loop& [+ A, s+ e2 E- ?
<statement sequence1>;
: ^. G0 p& z0 V8 Y; C$ A$ M: B end;
/ I/ G% i0 [4 [' p0 C! [7 |$ K (3) repeat
' A8 @$ e3 x9 E <statement sequence1>;
7 R) i, P4 R' Z/ e* u# O* _ until <condition>;4 {' b; c7 s- w2 ~
(4) for <condition> to <condition> loop: P2 a" m- A# ]. `
<statement sequence1>;
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3中断语句9 Z5 I. V/ |$ p/ r6 V4 y$ v
waituntil <condition> prio <integer expression>;
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- ~! u* A: q' y# x
# X$ ?$ e# e# `$ s& b以上为常用的函数！; C. K" g1 M* _ H) ?0 Z) A4 X
还有很多，如有需要我把资料发到你邮箱里
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