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发表于 2012-11-13 08:48:12
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1判断语句
1 ^( Q0 `; q& l, ]1 F# P if <condition> then% F' @. e. i$ p# P
<statement sequence1>;* x: ^1 D4 n7 w
elseif <condition> then, K2 {. B1 u9 u" I+ t
<statement sequence2>;
4 J; c) Q& H& w' k else
4 Z; Y- ^! n/ p9 ?* q( ~6 m/ {# o4 e4 D <statement sequence3>;
2 t- J1 P" g# w" L end;
; w6 c4 }0 q e如果分支比较多，用：
( m: A9 ~ R! I inspect <expression>
! X1 m/ N ] Z$ z0 \ when <constant_list> then) z4 ?8 K6 x8 ~# @
<statement sequence1>;; M7 |& Y! z( q
when <constant_list> then7 O; X( Y) G. Y/ W* y; t% u6 L# Z
<statement sequence2>;% f" c& F1 l9 _! J$ N
...
$ O5 [: j! Y& g7 j8 b# x else: F1 G8 j+ }2 a7 V! b& }! h
<statement sequence3>;
- h! { ?) O) W2 Dend;
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2循环语句2 P7 a4 `% [2 {
(1) from <statement sequence1>5 }6 Q) M4 Q9 |* z
until <condition> loop2 ]' p8 b: _& K+ m9 ^
<statement sequence2>;
1 _2 k/ N; s) s$ l' K: B; i end;
* R5 H0 u3 B& S9 @$ Q (2) while <condition> loop4 X7 U1 B, m$ c- u) D/ G- O
<statement sequence1>;* V% \: W% K' Q
end;3 @# T' o: t9 Y2 R; x" v7 y; \+ ^
(3) repeat
: ^ b/ s6 O7 { <statement sequence1>;* v; K2 y; L2 i/ u
until <condition>;
, i5 n+ d. T, X) z (4) for <condition> to <condition> loop
+ ?1 r! h' q8 i3 ?. z4 F <statement sequence1>;
! C# Y! b& i8 S' a next;
! r# U2 |" A0 ~2 @: Z/ ]$ S3中断语句
# f U& b! M! o, z0 V/ J waituntil <condition> prio <integer expression>;
: j* p/ _, z" ]
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9 F4 ^8 b* @" b* ]( n以上为常用的函数！
/ T0 [/ J# x2 h还有很多，如有需要我把资料发到你邮箱里
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