|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句 N6 y% }( }% U, d7 a
if <condition> then5 _" u3 U$ }, V3 P1 P9 B
<statement sequence1>;9 m$ S$ O0 p" x) q
elseif <condition> then, i' {% d; k& O( y" d
<statement sequence2>;, S0 o4 F r) {9 V
else
2 s7 t: A8 T& C5 s5 e <statement sequence3>;4 U8 x6 e1 n+ ^0 J. ~! o' q
end;" \9 w! o, L7 B. R; F! S
如果分支比较多，用：" C% r0 [' F( Z+ T* i
inspect <expression>& Z2 f3 V5 o4 Z- ]- q( r/ s1 o* X
when <constant_list> then @# v9 e. n; I. g! ^
<statement sequence1>;
% {' {9 s* f* ]/ g7 R1 ? when <constant_list> then
3 _: n% h, e/ X2 m9 t <statement sequence2>;
: ^: @! d U# H' }2 v# K1 m ...
Y! i4 p1 l4 x else
% q P7 P; v: h f. Z- Y <statement sequence3>;
- v2 o7 u2 u; @# d/ U% f lend;4 Q* T$ H/ F' W* K2 k
5 ?& x* D1 `$ Z' a/ O# o2循环语句
. l- Q. K7 X" `# e$ _( ^- D1 b; p ? (1) from <statement sequence1>$ U& ^. Q: ]/ y% Y* l" G
until <condition> loop: \& h6 F! v- ~# r
<statement sequence2>;
& J4 ~7 x8 P% r! ^* C end;& q) q9 r5 d: s6 h
(2) while <condition> loop
# E3 M5 J2 t! M/ s; W <statement sequence1>;
/ i- x9 ^. C6 J7 W! a, T# `1 [ end;
+ `) x, R M- @5 \9 U6 ? ^ (3) repeat
8 _* p) h7 |5 z0 R" O: o8 w <statement sequence1>;4 D4 q- O d, b+ C: c# V; d
until <condition>;2 F3 ]5 v- ?) G& ~
(4) for <condition> to <condition> loop- R( [$ ] D% _3 t
<statement sequence1>;/ {' B6 t5 U+ r7 k
next;
8 C! }7 E% J5 e& P3中断语句
8 F2 u! ?" a8 T+ f3 O6 C waituntil <condition> prio <integer expression>; v5 O+ e& @5 G9 g& |
! o, I+ B9 ^9 N$ R: F* [# w2 _
* w" I+ C. d) M3 {3 R- H3 F以上为常用的函数！* f) L) s; u: U6 N
还有很多，如有需要我把资料发到你邮箱里 * z6 V4 q1 g* @
% g7 o a' M) I8 g3 P
% K f. E( E$ p+ ]
+ s8 X5 `: ^$ j, Y6 D
1 n: |& @( k. y+ I* M5 y! J t
, b0 S+ e+ g6 x
1 h; Y$ J# K# T3 t8 B4 n
# v5 t5 y* F- {- L# S) y. H. E/ G. h- g+ }( q0 q
9 U. c; \; N# f3 s
3 ?- m$ P5 k3 T6 n7 T1 d( {
|
|
[复制链接]
