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发表于 2012-11-13 08:48:12
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1判断语句% d" M3 ?# a1 Y/ E: k
if <condition> then
% U2 W, Z! z% l7 O <statement sequence1>;
* k8 S7 j" h9 r% f' ~( W elseif <condition> then
: |+ V/ Q" T9 O% s' _: q- Z <statement sequence2>;6 o# y2 I) d6 k. B, ~
else
& N( P/ [/ W3 Q; w <statement sequence3>;& P5 q" `) P9 [; C
end;4 E7 V- R6 J* r4 l
如果分支比较多，用：1 ^' i/ e0 w4 ]7 I! m) q
inspect <expression>
# ^: e/ G ~8 ~ q! @& c0 | when <constant_list> then
- d5 W ]4 S D0 ~. _ <statement sequence1>;- A& Z% b" J8 [, D ?
when <constant_list> then% S9 u2 t+ D7 q& D0 E9 ?- p0 v
<statement sequence2>;. w1 u8 ` u- @" u+ q1 P% N8 Q
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else
( }# V6 c8 `9 J8 W( X <statement sequence3>;
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2循环语句$ i c- ^) z, y: B2 C. J
(1) from <statement sequence1>0 M# J6 m. p( H( C; h$ w
until <condition> loop a4 ~0 ^0 w# Q: \6 m4 h
<statement sequence2>;+ r$ M; P( q8 x% w
end;% I1 M- V6 b" c2 P$ u
(2) while <condition> loop' k. V& u7 \: i9 K) {
<statement sequence1>;
1 R9 r) Y7 c) E% j- z% ^ end;
. ~8 J, z" X. d. p2 O (3) repeat ( }2 u# R0 W2 {' v
<statement sequence1>;- d* ^$ T6 o; }
until <condition>;
5 }* n1 f' @. c$ B (4) for <condition> to <condition> loop
+ @2 X% d+ G6 q7 K" N <statement sequence1>;
/ C+ y6 @( s. K. ] next;4 l2 x3 ~0 ]- o! y$ v/ S
3中断语句
2 F: J5 Z- W8 x5 N+ Y# B# ]; p waituntil <condition> prio <integer expression>;0 P1 g+ ]2 D. s; U" [9 X4 H
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; ]0 q3 w$ t5 O0 o. r% W2 p以上为常用的函数！) q$ n# o$ x: G0 b1 l5 Z* O6 d
还有很多，如有需要我把资料发到你邮箱里
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