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发表于 2012-11-13 08:48:12
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1判断语句
1 _! m6 v5 x) m$ r+ N8 F* Y if <condition> then" N! u" B2 F3 Q0 s' U* |) M r/ r
<statement sequence1>;: l- y& G. q8 Q& c
elseif <condition> then9 p+ B- j! M" U% P, [
<statement sequence2>;* p# f) {" w5 n
else
5 ?1 t" U" w" M4 v4 p) o <statement sequence3>;
( Q# \* l% O( n end;
5 H$ U! b: X6 L9 M如果分支比较多，用：
, H9 H: u9 z; A inspect <expression>
, L' \7 h# {) }% x5 `9 q when <constant_list> then
- k$ C4 b' d2 G. G1 q* `9 Q <statement sequence1>;: K5 N4 L$ ?2 h
when <constant_list> then+ a5 W( W" s. ` g+ z) M, b" V
<statement sequence2>;
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else8 E0 B' h4 j$ R( X
<statement sequence3>;# B% r0 O, w }7 I
end;
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2循环语句
" l/ l" d/ b, u# k+ O (1) from <statement sequence1>
) Z! J0 d" k' v, J+ p/ @ until <condition> loop
: _1 y [( G r <statement sequence2>;8 X( E' `$ P" A1 K+ i" P5 F
end;
4 Q3 r8 W3 Z( R/ Y1 s (2) while <condition> loop* O+ z) ^1 C9 T" }: e
<statement sequence1>;
9 _# K0 u. R3 u1 f5 z end;
2 A4 n( g2 I5 `4 Y# K (3) repeat
6 t- _$ U- v/ E. a <statement sequence1>;
5 @( B' I S- v: T% K until <condition>;8 j8 u! q- z; D5 S) g- E: H; i
(4) for <condition> to <condition> loop: n/ g+ z- {5 _& a/ A- `
<statement sequence1>;
- ^! V5 p1 T! V0 i2 u. k8 m next;! ^0 l5 i6 n, p- a9 Y% w1 `
3中断语句# r/ U- P2 L1 z$ d6 l5 r/ T4 p
waituntil <condition> prio <integer expression>;
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以上为常用的函数！; h: i \! p$ z) e% e* a
还有很多，如有需要我把资料发到你邮箱里
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