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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
$ [( w/ s% j7 z% \& k4 R1 N if <condition> then
& c" f' ?5 r) w <statement sequence1>;) A* Q; l* Q9 }5 h4 v3 q ^
elseif <condition> then: m! C$ h/ z- J& z& ^+ r8 Z5 f
<statement sequence2>;
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<statement sequence3>;3 x' e9 O4 S+ S" s8 O0 o4 W
end;
' H+ s7 ~( ]) G5 \如果分支比较多，用：
# O# V8 i# b$ }, Z7 n inspect <expression>( [: z3 X+ J0 W @5 ?% C: u
when <constant_list> then& y* k) U4 W# {7 m9 l5 Q9 q) V. D
<statement sequence1>;
@/ s ]: _+ y4 V" ] when <constant_list> then
( `# e) |1 c, s6 H% m( P' r. h <statement sequence2>;2 ^0 F: u1 i0 T. J- z, g/ v
...
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<statement sequence3>;
- f1 k) b" a$ Y7 C2 wend;: q5 r2 A; z: `' ] r6 W3 I2 H# m
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2循环语句 `: q, I- x2 S2 [
(1) from <statement sequence1>6 E/ z0 M; _: E7 D9 I
until <condition> loop
* n5 n9 E4 J2 J5 J3 ~6 h+ f& | <statement sequence2>;# {# ]1 m8 X5 U8 F4 e! x0 C$ Z9 Z
end;
% f2 g" h& Z6 B# b$ [3 i (2) while <condition> loop0 e+ f; E g9 H
<statement sequence1>;
% y) |: j% R) u* }+ t7 r. K end;
0 Z" E8 r+ `! W" k+ Q0 O (3) repeat % W8 _2 u+ n3 s% K, N9 o
<statement sequence1>;
2 m _" P4 j' ] until <condition>;7 S2 P* c( O& k9 ?7 j3 _
(4) for <condition> to <condition> loop
7 L0 T; N/ R# N) m- p* Z <statement sequence1>;: x* e- `* T- c/ ^
next;2 D, r' Z. P! B; c K9 I
3中断语句
/ H6 }. p4 R$ ? waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ C$ C$ R/ Q% {/ A% Z( `2 b
还有很多，如有需要我把资料发到你邮箱里
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