|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句% q0 l6 n! `+ i0 y/ s8 f) E! d
if <condition> then5 G3 X& ]3 o& M
<statement sequence1>;
: q: P' ~0 w$ L: B. y elseif <condition> then
( M, t4 [0 Z5 |" U) H <statement sequence2>;
0 g: c3 i+ w' Y9 T5 h else ( B7 m) j6 g& h9 K% M9 }' O5 w# M
<statement sequence3>;! s- P. V8 L# k% X/ w# y7 @ O0 B
end;. h/ ?9 F L0 ~) e. h$ f. N0 W
如果分支比较多，用：
8 B' h1 |5 j. @+ j7 D6 R inspect <expression>
4 `4 F: C: W& x" F- X7 I# x when <constant_list> then
! p' B8 @( d9 y' T3 V2 w# S7 X <statement sequence1>;6 f* k- a% ]5 w( S
when <constant_list> then
+ _4 v: O) a* J <statement sequence2>; f& C/ w1 Q2 w1 c. I' J; y
.../ }5 I" B6 ?; b n' K, m
else
* F8 l" T* V( Y5 E+ T8 J8 h* _' Q0 W <statement sequence3>;% C! C+ E$ ]+ J& O
end;
6 S) R1 q w2 P' q0 v$ J& I) X' u' @: i% X, |7 e8 ]
2循环语句
8 s% n! a- n; J9 N) }$ R; _ (1) from <statement sequence1>
$ t ?* N) W% P4 D5 d" } until <condition> loop
4 p& |4 m7 U. t: Z- E' @ <statement sequence2>;9 D$ U0 c1 O5 _7 c& z
end;
: Z) C @+ I3 K$ R (2) while <condition> loop/ O$ ]! ]- f! y
<statement sequence1>;
% c( s* o. N1 ?; v end;
. j5 x, k; c! B$ y( [ (3) repeat
# x& R+ K7 Y S- e <statement sequence1>;5 V4 h% ]1 c* N( x# o
until <condition>;* W k! `$ H( j4 D1 o" e
(4) for <condition> to <condition> loop* j1 `3 r2 @; c2 q0 Q1 G
<statement sequence1>;
5 _. W( }' U L: p' e$ ^, L next;
4 P( H4 A( w3 x- L1 O( P+ Y+ Q3中断语句+ V% h& B9 P* ^0 H
waituntil <condition> prio <integer expression>;% R" x+ I5 n* W! H4 t* ^7 W
3 O2 u* I8 z' G# \& `9 ?/ ~1 s: k+ ?( s9 w/ `
以上为常用的函数！4 ~* j8 m, o5 _( H
还有很多，如有需要我把资料发到你邮箱里 ) k) D P; d6 |: N
( a2 B# Y" O! H2 s" \7 o
; \3 j1 D( C5 e, W
$ w7 }6 R: h6 c( Q
$ G7 v8 I$ S# U* [ t/ I6 a, }4 F1 x5 P |
4 Y% D, Z3 s, s
8 O7 J+ X- A3 H4 q7 Q. h$ r% F' G0 S6 K' ]: O( E3 Q8 C
6 g5 P) f7 r) ?7 P( p1 y
5 Z! T; F1 A3 f5 O8 P8 U( _% L0 f, v |
|
[复制链接]
