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发表于 2012-11-13 08:48:12
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1判断语句
$ V5 _! _$ Z- x" z2 C# c" ?$ l if <condition> then q5 l" z* P- o! H2 {& V
<statement sequence1>;& g" Z4 U0 R$ m9 x
elseif <condition> then
/ ~" E+ s2 B7 A- U2 }+ H- [' Z <statement sequence2>;
3 ]" a% [0 Q) l9 w( r2 V' @& W: ? else
# C7 l# c" D& s+ l <statement sequence3>;
4 @, [3 g# e, F* G- R/ Y1 T end;2 a! S* W# ]% E* P% d
如果分支比较多，用：9 N0 f; W s4 m! d& I% _
inspect <expression>9 V0 T$ q: l0 n1 H/ Z
when <constant_list> then
0 y8 J# z1 R+ B/ a# e8 C' p4 s: f <statement sequence1>;
) Y! a/ I. V+ h: @ when <constant_list> then* }, I; n9 D# s; c( [0 ]
<statement sequence2>;
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else
- {& D8 i5 k3 p5 W' t <statement sequence3>;2 f$ r+ Q# k/ w" f
end;6 I: [: x& P' m
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2循环语句 H2 s4 B' \1 i8 c
(1) from <statement sequence1>
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<statement sequence2>;
) h/ ?8 u! W) x8 \. j% M. U& T end;
1 ~ Y( c. o7 ?# e' f: k+ C0 B" b (2) while <condition> loop& y8 n3 L% J6 w: p! V! L- K
<statement sequence1>;7 ^. `2 A/ A2 e7 K6 |2 [
end;
, \5 h" X) o& q$ j! m9 D (3) repeat
_6 D/ B& A( o3 ~& R <statement sequence1>;
" f, U) K$ W8 c% X until <condition>;8 C) Q* ?; N9 e# t9 Z) E, v
(4) for <condition> to <condition> loop
) j- P% V& ^6 \; G+ A7 X <statement sequence1>;
: c1 Q4 J! o9 T3 S9 n6 C) A next;
* x9 w+ L- m3 ^3中断语句- A! @* C; E8 c9 L r" N
waituntil <condition> prio <integer expression>;0 L. u8 p! }. K+ _
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以上为常用的函数！3 f4 f; {1 _! e! h. D5 [
还有很多，如有需要我把资料发到你邮箱里
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