|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
1 K+ ~+ H0 Y3 M& Y& X l if <condition> then
6 } ~: R% z g* |3 k! v# G8 R <statement sequence1>;1 E+ E1 G. h% V$ X
elseif <condition> then1 o$ |# M$ ?- z. |
<statement sequence2>;
% Q6 V0 }- m0 D. S w else , L. P. y# B; P- U a
<statement sequence3>;
0 f* e* e9 }& F! E end;8 l: {4 L' K! M# [- q/ J) H( K
如果分支比较多，用：
. c* k( w; `; U% \7 u: { inspect <expression>" I" l' h6 n* z8 ?7 l8 W5 y
when <constant_list> then
! b# S6 k- `( f+ O. s. K$ l <statement sequence1>;
0 u. G+ b6 {" ?# n! k/ ` when <constant_list> then) ?, H& x" o' c/ k) P0 b7 ]+ T
<statement sequence2>;
. C3 V* H+ k i1 Y ...
( A. b* Y! l0 S& l9 l2 C else
6 M( A2 x8 s9 i" A/ | <statement sequence3>;, b, m6 ]1 f$ {6 L8 b2 w
end;
+ ]& @" X. X0 C7 T% _' J
4 A# W, H% j1 C9 O3 X2循环语句
" |# q' C& H" H; Z& k- A) A (1) from <statement sequence1>( A- M1 i0 w% D' i, Y
until <condition> loop4 m. D( v/ c" Z
<statement sequence2>;
2 X3 Z; ^+ D( A3 i end;
, w, c( X v; T0 b1 y (2) while <condition> loop
0 p' K3 Q, j: a. D <statement sequence1>;
C; S: V: }9 \) I( p end;
) A* a. d W5 e (3) repeat 8 w& N* f) m2 U( {) l" ?) P, c
<statement sequence1>;8 [ T( Z+ w" F! a9 @0 x7 f
until <condition>;
4 P5 _) L& F: P0 N (4) for <condition> to <condition> loop
. G5 \6 N5 `/ X0 i <statement sequence1>;
+ ?: l* _" L1 `# F" j next;
: t3 N1 U6 s$ ^' P: i3 F0 V3中断语句
9 I3 W( w3 I8 e waituntil <condition> prio <integer expression>;
9 w. R- }, Q2 ]0 n
# \- ^! U! k# M4 h
8 a* y9 H q3 U. s7 \以上为常用的函数！
: J7 A6 q( R1 L' v* O还有很多，如有需要我把资料发到你邮箱里
- M* Q6 m+ C! K3 J1 c& B1 @
5 n! ]1 e$ x! M# B) X1 |5 ^
. e' E, B1 G5 V+ R- @
: @( K( W9 ^! R% @+ k% }! T% u( I
! d( [- b4 I4 I/ M- }" D4 x: O7 q
6 ?7 E% S' R' Q' g5 h
1 m+ }1 l0 B/ W2 n! [, t9 Y/ ^# u) Q! f* M0 d$ M Y4 k
- x7 [$ w$ Y* z! B c+ P( H# x* e , F2 |! {& ^+ t' K
|
|
[复制链接]
