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发表于 2012-11-13 08:48:12
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1判断语句
2 x3 W$ J; |% F/ ?4 _ if <condition> then; j8 { j5 o x. ?# d7 J3 L
<statement sequence1>;
! w h( b* W! c: ]- ` elseif <condition> then
V/ g9 S6 K$ U1 [4 x1 P/ i <statement sequence2>;/ G# P8 }& F* o* `
else . T, L/ I K7 V3 S# [9 Z
<statement sequence3>;
# x" W- M7 {# x2 z% R end;; B( X1 _! P4 S
如果分支比较多，用：! `& L0 U b8 r! D! Q3 T% t- c% z% R# z
inspect <expression>' z) h! Q) v" h
when <constant_list> then
. e1 p! P9 p' c. K( d1 o/ g <statement sequence1>;6 F: O5 K- c. q, p6 i: d- N
when <constant_list> then
1 h* w5 Y) R' R8 r @" C <statement sequence2>;
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else! z2 J4 ^, O* i- p5 @/ v" [' S
<statement sequence3>;
6 U* f1 d& A2 xend;
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2循环语句$ D7 Y0 @# Z7 [$ ?
(1) from <statement sequence1># q" @! c$ w4 i( W# E' f X' c8 y9 ]
until <condition> loop4 g9 T5 {0 w& E' Q/ @2 q+ Z6 J' Q( _
<statement sequence2>;
, L9 M/ `$ S3 f) J6 k) ?# `* Q" M end;6 U" O, s* \5 n' Y6 F0 j
(2) while <condition> loop
( a, N/ L, D5 P5 s" y1 T5 P( v <statement sequence1>;
" `* ?0 K+ h% I: {7 L/ y! Y9 e8 c) L end;/ U" ?8 v. Q; U" R
(3) repeat , q* C( ^- X4 t w7 `: [
<statement sequence1>;: k8 M2 }3 a2 }
until <condition>;+ x9 p& e7 q+ M. Y7 `" F" V
(4) for <condition> to <condition> loop/ S) K3 {4 m3 n* c: L9 |% C
<statement sequence1>;4 R( g" l# I4 c- K
next;2 ]3 x; g8 W/ x4 B9 @, s
3中断语句
$ @) H2 `+ h/ T0 w5 D! K! E2 ?" R waituntil <condition> prio <integer expression>;; e2 K& O6 X" F" G) P8 C
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+ D4 V, J9 z# u$ p以上为常用的函数！/ p) _9 P& [5 [7 P
还有很多，如有需要我把资料发到你邮箱里 0 S) ^0 y4 a& P* ?$ h1 R1 M+ ~
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