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发表于 2012-11-13 08:48:12
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1判断语句; t/ A* b# _0 P, \8 N
if <condition> then" T. F; P9 O7 \( E
<statement sequence1>;4 `! G5 p( T1 h: q6 ^% p$ h
elseif <condition> then
5 w2 C. s* X) Z. b0 t) X- U <statement sequence2>;- |2 m0 Z! `2 i
else
# E, @% w3 [$ M" B0 w7 E <statement sequence3>;
1 ?/ \' U5 m6 m/ i$ c! l3 B) u end;6 o7 t% Q: C. b
如果分支比较多，用：
3 ]1 K$ q4 b, n: I6 E7 X inspect <expression>
, H3 J4 t; e! u( {$ b when <constant_list> then D5 j1 ^9 V9 }# w# [0 V. P
<statement sequence1>;" t9 W) {) y7 R' r) i
when <constant_list> then
! F, R! B6 {; j# q& H <statement sequence2>;- m Y9 k% |9 x6 U
...4 Z/ J0 }+ n% }' L
else
4 T) y; B8 }0 M8 F1 | <statement sequence3>;
* n4 K5 m' q P" Qend;
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2循环语句
1 ^1 z! n" R8 W (1) from <statement sequence1>
8 H% Z3 [6 W$ C2 z until <condition> loop7 M0 } b; |- n% L/ E4 n
<statement sequence2>;
9 v" `- o3 v; l' ~9 Z, t- L" d end;
# d# q. H9 k- w" C (2) while <condition> loop$ e [ E# n; ?; q# X% S) Y" ^6 |
<statement sequence1>;
+ m! T- N: r3 D' X9 [ end;
% y& a6 U; r4 @# a- n& _/ C (3) repeat
$ E0 w4 X7 T& Z9 `! a <statement sequence1>;; q2 A8 H. N1 I: F9 J; k
until <condition>;
c( `; B' V3 @9 P' F$ E (4) for <condition> to <condition> loop: R% W3 E! _% S- u- ?1 Y4 P3 o
<statement sequence1>;+ X- D% _+ h; o' B2 I8 q9 d
next;
8 R5 g% R% A' E- m* U& `7 x/ U3中断语句" T1 a8 D$ N' q- j
waituntil <condition> prio <integer expression>;# C) h& V# _3 y
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以上为常用的函数！2 Q7 H: b4 ?- ?+ T
还有很多，如有需要我把资料发到你邮箱里 ' S5 j. z+ z+ q* P3 |7 z4 N8 M
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