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发表于 2012-11-13 08:48:12
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1判断语句, g8 s: o1 \1 L2 p( L
if <condition> then
% Z8 p4 ^. r S. Z" G0 ^2 @ <statement sequence1>;
% x* ]# W" C, ^% ] elseif <condition> then
8 N2 {! k: A% ]8 x- f <statement sequence2>;. X) c. ~2 z% X. X t5 b# ^/ @
else + t ^0 l# y1 ?8 A( |+ g& ]4 w. ~
<statement sequence3>;
6 E' \: Y4 ?( T' z end;; d* [1 B6 ]( w8 Z, h; A
如果分支比较多，用：
. y8 C0 [. F+ s inspect <expression>
, ^7 E7 c' |9 e" G when <constant_list> then$ d- Q; w! _0 i( ^0 k
<statement sequence1>;
1 R7 e; D4 m7 S/ w when <constant_list> then6 }/ u" ]6 G$ A0 n: q7 D
<statement sequence2>;
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else
# d1 K3 X3 D$ R1 q+ C2 S2 R <statement sequence3>;
2 \, L) S- y7 @2 [% P: |end;
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" ?% F! c9 y8 N& A! H2循环语句2 f# R% t' q" ]. ?- R6 v0 \2 d) B
(1) from <statement sequence1>2 u- L( J( D2 m4 i! u
until <condition> loop
( W) d8 b; ~: F# A7 `5 h <statement sequence2>;
7 I8 k! M9 E, u2 a! s6 c end;
, {# Z" @& ^- U; y1 y (2) while <condition> loop
( g j, Y4 B# j3 N+ H% U# z. V+ M <statement sequence1>;
" t8 t1 R! @4 H4 k end;& ~# r9 F8 u' }. S: {) B7 c
(3) repeat * C2 l2 a3 k7 v! K
<statement sequence1>;
6 U0 t0 P" r1 K6 a1 o$ g% R until <condition>;
( M, ]& U6 _5 n9 K1 D" L: Z% ^* j' j (4) for <condition> to <condition> loop
) b+ e5 [4 V6 `/ q <statement sequence1>;
/ j; Y. Q! V* z. G next;0 x0 R6 v# `) F
3中断语句
2 n/ ^* v) V; a waituntil <condition> prio <integer expression>;5 t1 z" p9 K' [0 c9 M; v
6 J2 @0 R' i: i: B
1 [4 n4 K) S" M( v# p7 h以上为常用的函数！& a5 z. a) k7 W( R! D0 Y
还有很多，如有需要我把资料发到你邮箱里
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