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发表于 2012-11-13 08:48:12
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1判断语句
2 o! P) ~ _8 c% P8 a7 F- Q if <condition> then
% N' u* v' e V, e <statement sequence1>;
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<statement sequence2>;1 x1 J( I. g" ~5 G+ h
else
" F! G7 }/ ` Y' w <statement sequence3>;- I2 k: u* K. \8 b
end;
2 ]# a' P {4 g) d; ^ `# J5 U如果分支比较多，用：
. d/ D+ M) z# { inspect <expression>) v* D/ E6 {7 e* x; j8 X
when <constant_list> then
; o! ]& p2 { X6 X8 l <statement sequence1>;1 X% P' @2 ^! e" }: \9 J
when <constant_list> then- V' {* @8 ^/ Q
<statement sequence2>;
3 g) z C2 ~; K, G8 y9 X4 e# V# _ ...
" @/ U9 G: e: y$ ~/ U# f& _ else
5 j4 ?/ g1 R& N4 s; _0 L <statement sequence3>;' J. d- X% v8 k
end;: _# `' F' n: G c
; I# i$ V6 {" C2循环语句% Y( z9 { B2 Q) E& R
(1) from <statement sequence1>
* ]0 D$ f7 n# j1 K4 _$ s# D! Z; X until <condition> loop2 {6 q! S) e7 E: J* `
<statement sequence2>;, l2 M5 Q7 c7 Z: m$ X
end;" _/ L3 O" X, T4 J8 U
(2) while <condition> loop: y+ v" U! q, i( [4 P
<statement sequence1>;+ Z2 @$ f+ c6 a6 i! H
end;# Y' l8 N- T, |2 x* H3 s& V
(3) repeat
2 Z- T( Y# I4 X- B `8 p% {( ^ <statement sequence1>;
; Y8 \) k2 h8 H( T until <condition>;
" O$ h$ m/ {0 D6 U. ` (4) for <condition> to <condition> loop
2 k* ~- \: E; T" l4 ~ <statement sequence1>;( g( L. S# D9 t4 [$ X
next;
1 [! h, s2 [$ R3中断语句
, Z8 }" T, W- ?# e waituntil <condition> prio <integer expression>;! ^/ m5 s- ]! K, d; e; v
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以上为常用的函数！
" G% M* Z, I$ [还有很多，如有需要我把资料发到你邮箱里
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