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发表于 2012-11-13 08:48:12
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1判断语句
0 N2 L2 t- q' x1 C, y4 r+ I# C if <condition> then( U# {3 v. s7 z
<statement sequence1>;; } ^7 |! K5 |* Q9 Q4 {
elseif <condition> then/ {' h, [6 r) T T r
<statement sequence2>;8 e0 I- \" H1 Y4 v \- c
else 0 `# \3 i: A% |& M- c) x
<statement sequence3>;9 K, _' z- k8 z8 J
end;5 [; x7 `2 \( i3 Z9 N" n
如果分支比较多，用：
9 ]8 R! v' O' o6 k3 W+ W inspect <expression>! C) Y, G4 I* f) ~' A) X% a
when <constant_list> then8 ?+ H% ` `3 u) O0 l
<statement sequence1>;
- q# Z* _" r S4 I1 @3 O8 s when <constant_list> then E/ O& V$ U* t5 ^* o. ?
<statement sequence2>;& q g9 Z/ B( t8 J
.../ ?, c# y- G+ s! B1 q
else
' h0 w0 z3 i5 Y% y/ b& W9 } <statement sequence3>;+ v; C% l: `: K) o* f/ ]
end;0 ^4 K1 w+ v; h, }, V
3 u+ ~( @5 J7 v* {4 b2循环语句
; r9 d' b& {7 H (1) from <statement sequence1>
& V2 z5 H" M) M until <condition> loop
3 E' K0 p% ^9 v- a2 `4 _ <statement sequence2>;& c# A7 W! t) f( Z2 s% R
end;
( W) c9 ]9 h6 |! t (2) while <condition> loop6 D0 `8 N$ k5 D5 M; q
<statement sequence1>;8 w; F @5 @) j K9 |
end;0 S1 |& S' i; g& u0 Y1 Z# B# D
(3) repeat
' C) B2 b# Z7 h9 a/ M" q <statement sequence1>;' d, ]' G9 H+ a, y8 q, I
until <condition>;
/ ^& `# t- Y1 P (4) for <condition> to <condition> loop$ N; n$ q, G$ m5 Q; N
<statement sequence1>;
' j4 i- ~" O/ ] next;
( Z7 c/ y8 G- ~( l/ P# `3中断语句
% ]4 b. h# C# \1 E5 Z waituntil <condition> prio <integer expression>;
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以上为常用的函数！: }5 a4 h9 H: U5 J4 F
还有很多，如有需要我把资料发到你邮箱里 4 z0 P! i8 k9 }
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