|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句" ~5 [8 O) t5 f# O+ u+ }* `. g
if <condition> then I* W! x/ j7 Z7 J | p- w- r; x+ {
<statement sequence1>;; `6 e: }# ], S$ X
elseif <condition> then: H$ v4 E; n5 {9 o
<statement sequence2>;% L% a1 q4 K- }$ x
else + a1 }* O+ w- G" e* ~+ c
<statement sequence3>;+ C( V% Z$ O4 I
end;
* ]7 k* Y; A5 b如果分支比较多，用：
8 s& w. o% F1 i inspect <expression>' _* T$ X% Y( _1 q- V
when <constant_list> then7 D. i! T7 ~5 \' m8 i# f& x X* R$ r! F
<statement sequence1>;3 Y3 @3 t/ X$ z* S+ G7 i/ z
when <constant_list> then
l' M c' w/ ^! x/ ?: [ <statement sequence2>;& m2 A1 [; f% y* d7 \" g+ s
...
0 v$ m7 \; `' a. b+ e ] else3 T! @ W, d! A/ b6 A; Q0 ^, P
<statement sequence3>;' s* ]# t5 Y5 E- _
end;: ]& [+ @, m; } ?% }- j
/ N8 @; g1 t+ N T5 {$ J
2循环语句8 {; r5 y0 S' V5 M4 r9 l7 w2 K7 U
(1) from <statement sequence1>
! r! G" ?! [7 N7 t' O until <condition> loop
# @9 R; E9 u. Y" E' F3 Y. _ <statement sequence2>;
# ]' p6 X4 j2 t- ?' N6 O1 L8 S end;
V& g4 l' v! i3 s7 P; \ Y (2) while <condition> loop
; y$ u* E' `% v4 V# L6 m/ r0 A <statement sequence1>;
" w) ~. O @; Y0 b+ { end;' i. x. v) E9 {; k& j$ S
(3) repeat
) e- `2 P2 r, a <statement sequence1>;
6 U* i# @ m$ N7 d% G& |+ X until <condition>;
_: N. a$ X5 P& z @4 a6 N (4) for <condition> to <condition> loop
- O- x5 x# M/ e* |$ f' k <statement sequence1>;
4 x% v6 t8 g. l* \& N1 L& z next;
$ e0 [5 E; P) y7 D4 q; g3中断语句7 Y9 h( l6 W- O+ G/ T/ C
waituntil <condition> prio <integer expression>;6 [& Q+ Z# u9 g
: O0 K. v% T4 r( Y: Y4 T- O H
! @9 _5 Z, R- X& N以上为常用的函数！) C9 z' W) W8 N
还有很多，如有需要我把资料发到你邮箱里
4 j& q9 ?! E: U; R( K5 y
; C4 N1 B0 n0 N; X! `# e* D8 K7 }# F! E
7 x- L3 G4 B3 ?6 u$ |1 |9 k$ }" k 4 D2 |' t( h: Z- r& s0 o
) `9 j9 Z9 h9 r/ }# g1 V# [
* `* }3 m% n. G7 V) X
. w& T: G3 w6 D3 h& I0 Y
/ J, J# L2 s. h+ k1 W% y2 }) P1 X, |1 N/ U6 X/ a
& D- J" g+ q; `) i. Q |
|
[复制链接]
