|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句, c7 E3 I- l" q# {( X: [
if <condition> then
2 V. Z' L i# C+ k4 [% I- u <statement sequence1>;: Y. V0 S" M- }$ @. I
elseif <condition> then
8 p7 `1 ~; A0 { <statement sequence2>;
$ x+ r2 `+ h/ d* B0 a8 a( X; ^ else 9 D1 w2 B; D& b2 h) z' |
<statement sequence3>;3 C" h7 _4 }, b6 y5 l
end;
5 o- G M- r( U* G: M: ?6 e& s如果分支比较多，用：
, V: @% T8 s4 x7 w) ]7 m T inspect <expression>, ~+ k9 [& C% t4 P) W' M
when <constant_list> then
( z7 ~8 Z6 O. u+ D# u/ G <statement sequence1>;1 G' U2 D. @% d. ?* P
when <constant_list> then7 c* @* M4 y, v
<statement sequence2>;
' V8 u* T4 k7 M5 m/ g ...
. ^; s* _: X- K else
4 l6 g! e4 Q+ w* k" V. ^9 n+ \ <statement sequence3>;
$ |( \" O7 b; M' R2 l% Nend;
( B' i: o" m2 ~: i* m2 O
- q, k1 ], H. \2循环语句
( [( A# l: d9 o0 J* ] (1) from <statement sequence1>
' F4 A/ F V. M3 ^ until <condition> loop
5 F3 p" X7 P% K+ m; D: P9 s <statement sequence2>;
Q0 \8 ?7 U* t& n& p/ e+ M/ u- T; z end;
% Q- f2 }* S+ M1 a (2) while <condition> loop
+ s- \; y8 f8 x0 _# g+ p <statement sequence1>;: S/ n8 l! H# Q+ z( B6 e3 E8 K- ~" F
end;
. P8 @$ R- s1 z% z/ w4 H$ \ (3) repeat ( _6 l" E J' X$ y
<statement sequence1>;
3 R9 M$ i$ r& n& t4 ~ until <condition>;2 h9 D1 m! i$ p C0 U
(4) for <condition> to <condition> loop7 Q& T) }5 o" b( ~! J1 z% B& O" ~4 i- r
<statement sequence1>;
! R! [9 I7 ] U+ d" S7 h/ ` next;
! g) U# Z& c; }! n$ q$ m3中断语句
2 o$ {, U- t( a9 a9 |1 d9 ~. B waituntil <condition> prio <integer expression>;1 Z6 I3 Z& @7 ^
0 b7 C( `2 J: J" c4 ]% _
+ A: c. F8 T! k& D* x以上为常用的函数！ b! `9 q9 B. j6 \0 d+ M: I- ?$ m
还有很多，如有需要我把资料发到你邮箱里 W# B( t9 Q7 F
# U- \+ S6 B9 d, } o4 s7 a+ F
5 t* m# i, k" ?, q+ y
* T1 H( U; k5 z" f5 |/ I7 c
/ c2 j E3 E) H. A9 A8 r4 ]
4 v F. j3 W8 ]$ ]- a B1 w% o& A* U2 h0 c' t1 x$ o* p8 A
. \% [5 W" q* r, x2 _' V- _, g7 i' ?/ V3 J4 ]
7 {6 `: |" `2 Z
5 |4 R" f: G5 E. @' B. n |
|
[复制链接]
