|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句& K% u( ?3 G. ?7 q/ T* }
if <condition> then* c+ z+ |5 ]* l( ~7 N, n6 M
<statement sequence1>;
2 y! B3 @+ p7 A elseif <condition> then
6 R) D1 ^, H1 T+ P) ] <statement sequence2>;
% r4 Y4 Q2 Y" @" X' q1 s6 u2 S3 Q else 6 a }6 u4 T0 ^! P
<statement sequence3>;
/ d# N' p2 ]. d( u$ T0 i, w% N end;
2 h" S2 t) K. h* B如果分支比较多，用：; T- ?. C* b% m" I
inspect <expression>
1 I8 a* B' g- g7 x$ W9 T when <constant_list> then
% \$ s7 w5 |# j7 ?: ^ <statement sequence1>;
, k+ u3 y7 B# B E3 s/ @7 J4 a- I when <constant_list> then" S' |6 R" E0 |) e0 D5 S; ^5 Q
<statement sequence2>;0 w' q$ k6 l* m3 ]$ i$ L) {9 r
...
3 Z. Q8 B/ G$ I7 D) ~% K" _ else3 r: S+ w4 |% K; B0 S
<statement sequence3>;: X+ n! h) Y/ m ^6 U3 }
end;- } e7 }0 o5 X% |4 y$ w9 Z2 F
# B# ~ X9 x) \2循环语句$ p8 V4 J! V4 J1 B1 H0 o) p4 A
(1) from <statement sequence1>2 b( H' P( D0 X$ S: T9 U
until <condition> loop
/ Q7 u Y. Y6 k: E# t9 P) ~4 v3 s, G <statement sequence2>;
1 P1 F0 q" w$ Z- t/ U end;
5 f/ h @2 _3 h8 {1 k4 B: a (2) while <condition> loop. {" j) v7 \% }
<statement sequence1>;, H8 d, o* G( F3 }3 g4 h
end;& P% ?: A0 u, u0 P( e' ?9 `
(3) repeat
1 n2 D' |1 ?: o$ k" t <statement sequence1>;
, N& ^ l( L' {: \# O0 Y until <condition>;1 w0 J/ G! S! k) k/ i/ a- A+ P. K* U
(4) for <condition> to <condition> loop
- I2 F4 N2 A. B8 g- n& U <statement sequence1>;7 X. c4 Y0 f4 ~! q4 ]+ y) e
next;
% g% }" W, O' E& ^( I3中断语句
: l2 @$ C9 S6 E; y1 c waituntil <condition> prio <integer expression>; q+ h9 {" Y) F4 j R$ c+ Q
9 U/ ^* S8 ~0 J) [9 w3 a: X
9 M8 ~* A; z9 m' _; ^# p1 y以上为常用的函数！
8 T1 Y/ s6 d7 p' f* U还有很多，如有需要我把资料发到你邮箱里
- S6 ]. f# e& ?4 E) i0 P" o+ T" ^' f/ i$ ~" W; N6 p
( n( y6 U) Z: N- [0 ?9 O
- c: g; p' z' E% X' I! c% `8 t
4 t* O( a9 o, P% z: A$ Z- H3 w/ u, e: k2 E t$ I# t! L
8 r( h3 m+ `' w& |! Z
9 v9 F0 K# Y9 l z' B
4 T& \! N$ g$ h% W! N
( w7 R) j5 H( }0 i
/ n6 | y G( p5 H8 a4 p5 j |
|
[复制链接]
