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发表于 2012-11-13 08:48:12
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1判断语句
+ e( ?! L$ I/ a( l if <condition> then; N. H/ L: L( J7 x% j) C( } z
<statement sequence1>;
3 @& C& n. x/ J9 J7 W+ D elseif <condition> then1 w$ D }# \+ c, B9 N, f
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
$ f7 b: b& e9 j7 Q2 `6 E1 \+ a inspect <expression>- \- N. `2 F: }2 n" i5 B
when <constant_list> then
9 R' E& k5 e% X <statement sequence1>;
$ Z$ R0 t7 r1 ^, \& Y% b4 S5 v) q when <constant_list> then& Y/ y1 z1 ?2 V U; L" C4 a
<statement sequence2>;1 q- x3 d2 |) \+ x: K% u4 @
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else
% ~) z, M9 Z: ]' u- L <statement sequence3>;
) a0 H4 e, T; Y* send;
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4 z6 Q0 k& t0 n9 D& C8 O2循环语句& U8 y! F: p" j; D3 h4 {
(1) from <statement sequence1>! A& s; H7 ]: C( j0 g
until <condition> loop J; N' r5 T) I. r/ r1 K3 K
<statement sequence2>;+ `2 A1 z9 E5 e/ E- j# {& ]
end;" Z1 M) h0 V: @9 D
(2) while <condition> loop+ _8 B( R* t. `
<statement sequence1>;& {0 B* m- J4 ~/ ?+ T- d/ ?& [
end;6 b4 K$ s& J* ?+ A5 k; ^
(3) repeat ]6 y8 {- N" ~2 p! a3 q) g
<statement sequence1>;* ^ m- J& F( v2 `/ v1 w5 y
until <condition>;
; Z* _% f# |7 C% n! o% h4 |( M (4) for <condition> to <condition> loop
% X o7 p) u/ T) i& N5 e% K; K <statement sequence1>;
; L3 l" b! r9 L; x/ | next;
5 T0 _& D3 _" v& D3中断语句
' e- V3 i4 f/ C! v4 [ waituntil <condition> prio <integer expression>;
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以上为常用的函数！# [, K) B& B& q% [0 H3 N
还有很多，如有需要我把资料发到你邮箱里
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