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发表于 2012-11-13 08:48:12
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1判断语句* V8 W% s7 S" P( w
if <condition> then
( l- ?: h7 @- `/ \& p <statement sequence1>;4 m* I) p, I5 B2 t2 U( k" d! K
elseif <condition> then
# K7 l1 N6 k& p <statement sequence2>;
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<statement sequence3>;
* K, E* t7 _+ E/ T; u' c k, S end;8 h" T( u# B6 _5 t
如果分支比较多，用：. C2 t4 [+ S9 Z. ~5 C7 f. _$ Y" ?
inspect <expression>. ?% n; [/ W0 {9 z: K4 Z
when <constant_list> then4 }- N# T9 S1 u9 V O/ H. n3 G/ d
<statement sequence1>;
4 k8 z+ N4 `% h2 Z, j+ I0 \ when <constant_list> then
* I7 M( X- t4 @ <statement sequence2>;
. [* J# N7 B4 U) y6 k+ a: A( Q ...
: A" J5 A& j: \; ^1 a else$ A' m4 c# K. P4 M# \
<statement sequence3>;
: V. `9 X! l$ I; _' G7 `0 I- }5 R \end;
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& `: s& D. a! L9 Z1 s# T2循环语句) L2 x _9 n8 { g" _
(1) from <statement sequence1>
G4 u' g7 `6 O7 m! j- g9 @ until <condition> loop0 N ^# ^3 Q4 B8 }
<statement sequence2>;
" @. s1 \( P5 ^6 t4 _( z2 e( M! ^ end;% j/ a+ J/ j! _! u1 F! e/ _, y) N" r
(2) while <condition> loop
' R, @' C- S' m2 j2 R5 S5 S <statement sequence1>;
6 k( [, y9 g' L; C8 \ end;
1 E* J. j: n7 q! V) x (3) repeat * Y7 ~( w2 B& z0 V2 T( Y
<statement sequence1>;
- X6 S& K f* ^: }9 o* E until <condition>;" Q# j6 g. M4 L0 x! H! z' P
(4) for <condition> to <condition> loop1 V5 e5 X/ C8 P" h
<statement sequence1>;
2 `% n% [0 { V ^8 ?% b6 s) J" q next;
3 h: y; U6 {5 n3中断语句
& N/ T5 E! w# p9 G waituntil <condition> prio <integer expression>;
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以上为常用的函数！5 T% }, V5 B: J0 Z$ q2 R! Y+ n
还有很多，如有需要我把资料发到你邮箱里
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