|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 A5 M& G8 ]( }4 U if <condition> then
7 \# Y" c/ t5 M/ v <statement sequence1>;
3 z% Y* I3 D2 P3 E e0 f3 a elseif <condition> then
1 G4 d& U; l8 s; i$ J _0 Z <statement sequence2>;' N R: E: O3 H/ P# y$ u8 G4 n+ _
else
1 Q9 C& `( X+ U; n5 N <statement sequence3>;4 p9 B0 w: `5 a
end;7 x/ m$ i! P2 A- a" `: o6 d
如果分支比较多，用：( R* x- y' S% ^/ z: p
inspect <expression>
! o) V# K$ Y/ _7 U- ] when <constant_list> then
) y; O3 q) B& t% w. F) O <statement sequence1>;
* Q# `+ y8 J, D+ u# }% n" T7 v( S when <constant_list> then
. K1 T4 d9 [2 I2 b7 J4 ~ <statement sequence2>;3 Q- X C/ o" O. i
...
3 P/ q7 y$ C* p3 y$ K& g A else' d( i8 W2 j9 m2 Q6 S3 V$ s) N
<statement sequence3>;
1 o+ S) y% m1 ^! U bend;- x* V+ X) T& t2 t* ]
W$ R* V/ W/ J2循环语句
& n& v" H) q# Y (1) from <statement sequence1>
) I' c) _, L4 u( t until <condition> loop
1 ?2 W( U% E# j& U <statement sequence2>;
1 A8 ^" i" N7 [ end;
" }0 |3 g- H$ E: K, @/ T (2) while <condition> loop, P; G3 s o0 H; g
<statement sequence1>;
$ `2 h! G) h2 I end;, m" G0 D# l1 S9 a* M" o f8 i5 H
(3) repeat
r4 ?8 J# `3 w% q <statement sequence1>;0 H1 g8 p: d) R3 ]
until <condition>;
& \, n% |# n4 O7 g9 M( v, N (4) for <condition> to <condition> loop. z' ^+ R4 Y+ V1 R6 w
<statement sequence1>;; q( T6 S6 x% V/ _
next;
- w+ J7 D; E! T/ C4 X2 o4 ?3中断语句. i0 C! u1 d, K/ J* J
waituntil <condition> prio <integer expression>;0 p1 U2 k2 Z. I+ I* W R) R& z
& S$ t2 i# ^! q2 ^! A9 [
; _# g# I4 m- {2 D1 R以上为常用的函数！
3 {5 s0 I( g$ m" d: G还有很多，如有需要我把资料发到你邮箱里 ! @$ u7 j0 t+ z# h9 M4 w
5 R1 Y% Y- `5 p& k
- b; X8 Y. { C2 n6 c' E9 D) g
9 k5 M/ ]7 a! Y5 ]" M9 _ ]* {: w # [0 D" V" H+ Y# a# ~
( T8 y* M' J& {* H# y/ k+ x" [, w7 J( K4 n& G
; w9 ] \! t' j1 P# P5 ~% m% p
- i9 R k, y: B0 R7 l2 E
" m7 v+ ]# U0 E* T+ ?0 `4 p4 J
! c2 `/ Y" t. \2 w2 _# _ |
|
[复制链接]
