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发表于 2012-11-13 08:48:12
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1判断语句
2 f( n- i) V; \* C2 X if <condition> then A; Y0 z# T; n( [+ A8 t
<statement sequence1>;
4 K7 }# ]; C7 @" j' {# C+ A; s elseif <condition> then
6 D1 d* h6 M/ d, T5 I4 x3 M( Q <statement sequence2>;$ C3 ?4 B6 I& E
else
( v6 w, ?- I0 x! { <statement sequence3>;. ~" J. D; f# A6 a! a
end;- W$ r/ L6 g# c5 w& U% I
如果分支比较多，用：
. ^5 @- @$ e/ V2 v$ n inspect <expression># c5 I+ b/ } ?' e6 `( o
when <constant_list> then& Q4 _5 J) G6 T, H
<statement sequence1>;
2 z2 q) T! }/ K" v: _7 m, d$ t when <constant_list> then
& @) \* }+ ]9 S/ u' z( c0 h <statement sequence2>;
$ x8 f1 F; L% |. u) ^6 z ...3 V1 f6 ~& g! F) Z. o
else
, g" k" s" c8 |; q& v! Z <statement sequence3>;. P9 q, F, B4 J5 J; j, z
end; t" e# P+ I" T) G t! [( |2 t
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2循环语句
, B( X) `# I6 |- z5 ~; k5 Z- ] (1) from <statement sequence1>+ E3 p1 E8 B: u8 Q2 Q* x" D
until <condition> loop
5 _# p! N: z; ~3 `) C$ d <statement sequence2>;
* W& a0 s" g7 o: v end;
* [/ w% c' g. H+ y: E (2) while <condition> loop+ i: h+ K: N$ R- [: o. a
<statement sequence1>;, v1 |# g! U: k3 e* y9 m- _- Q
end;
; X* t, Q/ {3 { B8 t (3) repeat - |" w# k# e6 Z, L( n, o2 ?
<statement sequence1>;& p2 f- Q5 A/ T U4 H
until <condition>;
7 J1 i7 e$ ~; j (4) for <condition> to <condition> loop3 S- n: C1 R+ t# h! h k
<statement sequence1>;
" ~$ C0 A+ z- y7 \0 b next;) W, r% D' U& t& v
3中断语句0 B, h) N Q2 P1 r: r5 ]
waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ g7 G1 c2 f0 V- E
还有很多，如有需要我把资料发到你邮箱里 4 L' q% |) {. p& F0 A
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