|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句- L# M: h3 R! m- i2 v/ x1 `
if <condition> then9 V+ P9 C8 J& M
<statement sequence1>;2 {, v* w' i& r& E0 r; s2 C- Y
elseif <condition> then8 w: O+ D% t( f3 j7 r' j1 e0 f7 ~
<statement sequence2>;
3 u% V$ j; e* m4 v else
3 x9 w8 a7 ^" x) `: m <statement sequence3>;8 K" i8 ]0 F7 F( g: Y2 G" {# j3 Q8 m8 ?
end;
" a& K0 B( Y) Z. a4 ]- K& I如果分支比较多,用:
K+ ]- a5 i, q inspect <expression>
) @' P7 z8 y) m. h* |2 ^ when <constant_list> then
' J2 Y3 D- R8 E# y( d <statement sequence1>;/ t. h3 g- t( |
when <constant_list> then
1 g9 g- D" h e$ R+ n7 L1 I: q <statement sequence2>;2 W" {. ~% q* m1 g6 } Y
...1 i/ V# J' ~: Y" D8 o
else
# H$ M) H5 B% f. V' T" Z% H8 A <statement sequence3>;
' h1 |7 \5 P# ]1 G1 eend;& t x; a& A, U3 S* ^1 B# T
. K! v% ]0 i9 f9 d% P
2循环语句
5 R( }" r5 H+ W: y& Z% a# v (1) from <statement sequence1>: H5 ?. t9 j$ G$ C5 X# Q
until <condition> loop2 o/ x) M4 J: Z: Q6 R i* |- ~
<statement sequence2>;5 S: L' x, s f, Q
end; Y S9 Y' A) B7 b# }* y; F
(2) while <condition> loop
1 C. V; p% h2 M <statement sequence1>;5 [2 n! |( c# T1 E. w5 q* K
end;8 Z9 J& o0 Z" }3 R' n/ n6 M
(3) repeat ! B3 \! G B6 {9 F) r+ s% | e; R
<statement sequence1>;
; {1 u: U1 @# {8 ]( ~, S1 Y until <condition>;, O( X W; v7 P5 H H' t
(4) for <condition> to <condition> loop
4 x# r2 u0 _) @6 M <statement sequence1>;
" N/ {. T8 X( ? next;
8 b) D5 B/ s& f+ x# X3中断语句
4 _* B E! U P# B1 o! h$ e" ~* g waituntil <condition> prio <integer expression>;
6 P( [# O7 Y% n( c
# Z3 z G* x: i7 Y) v/ y' E+ y
5 e* c m: p e以上为常用的函数!
3 G6 H, v& N7 p! T5 p还有很多,如有需要我把资料发到你邮箱里 # i j. n" X6 y& ], k
- N; P5 D* X5 R- |+ T. U
* \. ~3 g5 o) a7 S7 G& C, l7 `% N& S. i% _, y& O
$ h7 [1 m9 G1 y
' d6 q; ]7 ~9 W& T5 [
; ^9 E+ ?/ X6 B- O' S2 ~( K
) e# O. D$ b1 {8 Y6 ?
: e T* H* N# Z7 I6 K. ?, ]
, N* `1 }6 b# F7 x 6 M3 t0 p1 c2 O: _2 q% n
|
|