|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句$ K% M8 G- v5 L# e# R0 k; ^4 u$ D
if <condition> then1 I9 S4 C1 M8 E, a( k# n) ^
<statement sequence1>;+ `$ I. P3 G5 M! I y# U0 C
elseif <condition> then
8 v/ @, ^1 ~3 _ <statement sequence2>;, W$ F) Q' w1 P. h3 n
else
2 j) ~( I: X% F9 k <statement sequence3>;5 q/ M5 o" c4 N3 E b: l; }2 c
end;
P1 X9 P1 L2 L: e; @3 D+ p如果分支比较多，用：% t3 M3 @8 B3 L" z4 d
inspect <expression>
% M4 v( v. ~4 \3 p5 \$ j, s1 H6 k when <constant_list> then
/ U1 f. z1 J, C/ F1 B* e <statement sequence1>;8 L: x+ P" f4 P/ Q8 H8 L
when <constant_list> then
6 V1 ~. m! n$ Y6 u) R' n9 A3 R <statement sequence2>;' f+ A6 G: x, D0 I& [' T
...
( A- D" j) E) A# [+ w else2 l! c$ V) Z+ \
<statement sequence3>;) h) Z$ j5 O3 x; J3 @$ K9 p
end;
& k* O; k+ B& R! ~& b! ~ [. k5 P; s' R) [; q3 b) @) ~
2循环语句0 b) B% R( U& s
(1) from <statement sequence1>4 g) Q% I2 a# m9 e/ U7 a, {- \
until <condition> loop! d k5 H. R6 i* c
<statement sequence2>;
) M! K1 r5 `* k' d$ u: q' {. o end; Z( w$ T& N4 Q! V; W4 s
(2) while <condition> loop
8 |! T( ?0 z1 V4 o& R% W* [ <statement sequence1>;
2 e; O! }5 W P" R end;
4 U! l( Z6 o. i( u. H ^ (3) repeat
8 p- @, P. m2 L8 ~ <statement sequence1>;
) H O6 u0 c& X6 F& O, c7 r until <condition>;& |5 x( G% m, V' z+ ~5 Z
(4) for <condition> to <condition> loop" w0 V( N7 w) Y$ u. d1 Y8 b T
<statement sequence1>;' i* W3 c/ f* A* m4 h
next;
: y, q$ N) E. m# x3中断语句! Z0 Z/ [+ I4 \ J$ @
waituntil <condition> prio <integer expression>;
! F5 R" n3 Z9 y: x9 Z. e& H) g$ r' ?6 O
4 J! f3 c [+ k4 |. J H7 R- O8 a" _
以上为常用的函数！
: M: W, W+ ~) Z$ a还有很多，如有需要我把资料发到你邮箱里
4 l, r& W: \5 x3 n% Y
+ B6 u) W6 f& c: c! l1 O. C5 ^! z0 Y; W. s& d6 Q' X; M
* U1 C( Q+ W3 u
+ m3 R( o; G) ~" v2 ~2 E) j# o
$ G( h/ {& H$ {
2 Q2 U# i# f) l
, h7 }" d" T" s1 |6 M
- M6 r( N% M/ h1 z8 ]# V5 a8 Q. C& i1 H
2 J9 Q+ q- g0 S, [8 A$ J | e- I9 N7 {
|
|
[复制链接]
