|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句1 x1 @1 N4 @5 |5 a
if <condition> then
+ H' z- A- X9 x U* P/ ]- g <statement sequence1>;* _) V4 b7 c$ s$ i
elseif <condition> then) G5 x9 O8 [% N/ ^
<statement sequence2>;( i$ Y6 t! A! [ G! O
else / ]8 q Z: h) |; w) U
<statement sequence3>;
H5 I! {) D$ G; l9 g9 R end;+ A+ W/ O" n5 ~
如果分支比较多，用：
3 i0 A |' S: |4 R inspect <expression>
) ^3 k8 H( B$ p# Z when <constant_list> then
- X8 v$ R7 I, W0 E/ b* m' L# q4 L <statement sequence1>;
+ X6 U- g+ K: B when <constant_list> then
1 b ^3 s1 [% F6 R% ?! t r4 `* Q <statement sequence2>;( P! @) \# _+ c: c
...% d# }; O% B! F
else) Y+ `2 s; M6 j0 _# M2 e0 _
<statement sequence3>;
9 S+ V" a, C. _' v" i5 L+ e3 Mend;5 W/ X& {3 @8 G( e2 H
! L5 |0 C& k" A L
2循环语句
9 ?4 S' \9 j+ | (1) from <statement sequence1> o" @/ }& J8 q6 q* v
until <condition> loop
( [2 j4 m( ]) c- m <statement sequence2>;/ ?$ O+ [) G* _1 [( s7 {
end;# ~1 x9 z- \0 c' u+ I, l I/ k) U
(2) while <condition> loop
* r) ]4 w5 F# X Q& [# {4 H) X <statement sequence1>;: X: {8 E0 a) C
end;
2 W8 c) O* ^ H$ t (3) repeat
+ F- w+ _1 h7 l& j% U( A# g <statement sequence1>;8 g+ Z. `) d8 e* T: i
until <condition>;9 Z) m& Z; ~) `1 J+ |" `: M: v8 i7 N
(4) for <condition> to <condition> loop
( u& p& @6 F2 g$ Q! x3 m; |0 y <statement sequence1>;
# H- c/ x$ t2 n5 _1 D next;
: H4 h) [7 l( v' e/ S* D& S0 @; c3中断语句6 ~$ I% J. j5 P
waituntil <condition> prio <integer expression>;
/ H6 j5 g" Q, h
, o: u" K1 S% b( g: M! I
% S8 h$ o8 V' z+ F4 ^! _以上为常用的函数！
' ?/ }/ n" B, X7 u1 n还有很多，如有需要我把资料发到你邮箱里
- S. W4 p$ N. Q- z/ h5 Q4 c) G K% z7 }& t% E3 ?
( a/ q1 m4 W0 B5 L, Q! O1 \; \( N: P1 Y+ e2 z& N: R4 ]3 y
6 P- a% n! z* ~$ |
! e1 I3 [4 e6 i+ c' i) G
4 @/ `" O- d7 P3 _, h/ m; M2 [, E% M( j- x N
* d- `: P) ]( p' S6 Q
/ S) p9 S+ c d. a - l+ k2 W7 n) A! T
|
|
[复制链接]
