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发表于 2012-11-13 08:48:12
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1判断语句6 b3 F; d* \2 v/ {
if <condition> then" V. r! w# c1 N; p9 |9 B
<statement sequence1>;; C$ t; j8 L6 H: J, _3 I
elseif <condition> then& T+ W! M4 A3 E+ V$ Z- P8 l
<statement sequence2>;/ l8 B2 d+ k o3 C
else 0 a0 ~; J' ~' A
<statement sequence3>;, }+ j9 @. O6 G, L
end;! r3 b$ {# _/ f+ a
如果分支比较多，用：
& ]) G) m0 j2 ?0 Q- Z" W inspect <expression>
& c$ M2 `2 }0 n, J0 { when <constant_list> then
: W9 q& Y" y$ R. O <statement sequence1>;( o$ y: P4 K# h9 Q, V
when <constant_list> then" W3 \% l( J6 L/ o
<statement sequence2>;
2 t o6 B) T5 [0 ]0 k9 O ...
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<statement sequence3>;
6 h0 D$ f( s( Nend;
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& [/ }9 w2 X- \. n% u( q# x2循环语句
% f, c# G. e. J1 p (1) from <statement sequence1> |$ d0 [( I1 y# u" \' R' [2 v
until <condition> loop6 z3 H4 }, i* _! Y) \
<statement sequence2>;
3 T( Q# _& v: a; i' m! z end;
9 E* i) _- i) W. X# ~7 X9 E (2) while <condition> loop
1 F3 e' r, V& Z: d. u <statement sequence1>;: z* C) U1 k1 v+ \8 ^7 H0 g5 E
end;
% O( L# O$ A) a: U% |: i$ z (3) repeat
1 z! a4 r3 b0 G5 R& B <statement sequence1>;
; e5 A* X7 Q& F until <condition>;
9 M1 K8 r( J @ (4) for <condition> to <condition> loop
: Y& }8 {' y- A J8 d- L+ C <statement sequence1>;9 C; J# Y+ J3 l5 S- _0 j' y- P
next;
* W6 g1 b @$ E5 w3中断语句1 Z) U% E4 R6 z% v. g, ~1 ]
waituntil <condition> prio <integer expression>;
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9 p* c7 @; |% O) f7 B& Y以上为常用的函数！
- l$ l, @+ W. ~+ T9 s0 D. h- p还有很多，如有需要我把资料发到你邮箱里
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