|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
9 Y- w4 W3 t4 T' v if <condition> then/ ?5 s4 q5 N9 L( D! x
<statement sequence1>;* q" t" }( H$ U
elseif <condition> then
- X' u$ Q7 g; M4 S2 ^ <statement sequence2>;' @. b6 Z8 o* u! \( T' l
else
5 p, D8 a0 z6 _ y <statement sequence3>; B1 P; S) N8 }4 j( O) ]
end;
+ K. j7 Y1 V7 P5 n% W7 f- f9 z如果分支比较多，用：/ w) h1 u$ A3 x" {3 |
inspect <expression>2 a5 [( |, ^. i" J, T P6 f" V
when <constant_list> then
. ]% E p( i+ D7 f# d% a2 m <statement sequence1>;# R2 G4 l% k2 D4 M0 Y
when <constant_list> then
0 X- B8 D6 }, ?" p! L- J$ j& y <statement sequence2>;
% M4 T5 w$ D3 Z, {& f1 J ...
! ]8 V, z7 N: d; m% q else" [7 A6 B% g( c- `9 z* c
<statement sequence3>;4 V3 ?4 u0 H7 ]0 {7 P' g1 f
end;5 c( _. ~* G6 J2 }* `; Y
8 U9 i0 {" K& [" d
2循环语句
, u& R( T. Z) m& @$ L (1) from <statement sequence1>7 N0 e( G4 a3 X# ]( N; G
until <condition> loop
U. g! t) q( n8 P0 m <statement sequence2>;
$ i+ Z+ x2 J8 k+ s end;1 a9 c; P. g1 H* F
(2) while <condition> loop
9 `# D$ D4 ~+ C <statement sequence1>;
/ z& ^2 l7 R6 m$ ] end;$ V2 l/ C3 S; [ }, i: |# r0 U$ I
(3) repeat ; r: U+ |; _: S! `7 V5 K" V
<statement sequence1>;
; W1 U: y8 c' O4 q4 a until <condition>;
9 P: ?# D( i+ Y7 m. d (4) for <condition> to <condition> loop
# v, k' X4 j2 S' e <statement sequence1>;. g: B) y [$ y5 y4 T
next;
) |) ?! G' Z6 A( J- Z6 N3中断语句
: g2 j1 I4 W& q9 [6 ` waituntil <condition> prio <integer expression>;2 f! r# n1 T# R
0 D; s! e. L$ v( [$ ~( M/ V2 z
3 d1 p, f2 n i S8 C以上为常用的函数！- g1 G% s# r% `9 [
还有很多，如有需要我把资料发到你邮箱里
+ H( N) B5 P4 ?" G- D H/ f; b& `, k) p
: k3 j6 q5 w+ D) d2 g; V R
! D% b7 q! o, C e: b- E3 E ` - t0 W2 X. E! f
3 X6 \# `1 L% V4 M- X8 }$ v o& Y' f' @# N- Q
9 r5 w+ [9 Z( u* r4 r" a
4 _( {0 x. A: O2 B( ]# B
. G$ E7 ^; f: S1 g# ` & A% r3 L4 Q8 x/ P. C2 B3 w
|
|
[复制链接]
