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发表于 2012-11-13 08:48:12
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1判断语句1 M- O4 ]8 c ^/ Y. s4 k+ R
if <condition> then5 v$ k, X! L, a
<statement sequence1>;8 Q, ^1 V; Z7 y& X
elseif <condition> then1 R' l) j" D1 C% Q) M9 Y9 h
<statement sequence2>;. y/ g" f9 V6 y D$ G. A# r+ t
else 3 B- a( a$ P$ y3 N9 D0 `! e6 t
<statement sequence3>;" ^- ~8 B5 V* [' \9 a' T
end;
4 a6 a$ l$ c) L如果分支比较多，用：
3 [) v% {/ E# d: a inspect <expression># u1 x1 m( ^- u+ R' s, a" t
when <constant_list> then& |, r) v! ^* { @6 A6 Y& n
<statement sequence1>;2 Z& S* e1 L5 y- L! R; s4 u
when <constant_list> then- Q+ C N) [) {7 N8 ^+ n( R
<statement sequence2>;
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else* U0 | f- V" b
<statement sequence3>;
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' F" e; O4 a4 {& s- f) S- H2循环语句3 Q$ O' l/ r) t1 J& m
(1) from <statement sequence1>1 f2 g( G+ ~; r; t s7 J
until <condition> loop7 g |5 j. F! H- Q
<statement sequence2>;. S5 F0 T4 u! p r8 y
end;
, ?% z" F9 b# c) Z8 Q) o (2) while <condition> loop3 f: O b( T7 d. Z6 r9 F7 P
<statement sequence1>;1 {# D g G& K' o
end;' |0 a# p/ \' e- z" q' j# u
(3) repeat
4 }7 r8 p6 k( S( B <statement sequence1>;7 c" h) Q. a' F' f6 c8 v
until <condition>;" g; Q$ J u0 B: m0 Q) C- ], R
(4) for <condition> to <condition> loop
, ~' w1 W: g/ v4 w' [ <statement sequence1>;& }# d* c/ G* r
next;
% i9 v# p! h( e; x# k3中断语句: `3 K& b( m y$ O9 P
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. m+ Z2 G% ~4 s5 ~- i还有很多，如有需要我把资料发到你邮箱里
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