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发表于 2012-11-13 08:48:12
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1判断语句
9 l; u* l5 {. f7 k5 W9 ~4 D5 q5 N if <condition> then( q4 Q/ W# B. y
<statement sequence1>;
* o* _. W* c3 f: J/ }! R elseif <condition> then$ f+ d$ T E1 k) q" d
<statement sequence2>;- o7 b7 u: m/ c! [ [
else ( w N# Z0 H) G; u. b$ \
<statement sequence3>;- _( T# _! J' M2 r1 ^* j) Q
end;
. F: X8 x1 d! S* D如果分支比较多，用：0 K& m# l* _# y/ `* u* e
inspect <expression>
, S( j4 W. y7 ? when <constant_list> then
2 f8 N8 K4 `7 ^( d- T) b* z <statement sequence1>;/ |6 w7 i* ^( t# Q
when <constant_list> then7 I8 n! ]2 p" A
<statement sequence2>;( U1 P* O2 }7 P
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else6 W* C, n s1 K
<statement sequence3>; _7 Z, |$ Z% `" B! u- p5 a# F
end;% @9 y. i4 }* U% `* s1 z
L' B! K9 G* s* J" ~7 _; E2循环语句, x G8 R+ x( W" H( m
(1) from <statement sequence1>; {+ I2 b/ v2 L8 t! ]
until <condition> loop1 Y! X( f& m$ G* [
<statement sequence2>;
7 h& r, V1 D8 A! s end;
. l; J6 H+ b! { (2) while <condition> loop: u1 F% ^$ r7 B+ g
<statement sequence1>;
: }: C* Q% o B9 I* X* B end;
2 p3 {: W7 r1 _ (3) repeat
3 @" o# a8 U i: s$ C( a <statement sequence1>;
0 t8 {6 I T$ g2 I3 A, I until <condition>;; q, K) B/ b- f# }% b
(4) for <condition> to <condition> loop
7 J; ?- W1 H3 M9 D+ x <statement sequence1>;& W W5 M. `; v. }% u2 t& ]
next;% [/ n, V' c$ a; @" _5 F4 R' R
3中断语句
" {. W! z' F- }5 V waituntil <condition> prio <integer expression>;. {3 A' `% v( S# v& J6 K0 {
' \0 A* m# ~; c
/ T9 R& @6 m9 _2 a% X/ V以上为常用的函数！
# W* `; R3 h4 O- X' j0 D7 U3 D还有很多，如有需要我把资料发到你邮箱里 8 L1 G/ I& M( g0 z2 E2 x
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