|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句1 g. m. X) T7 H5 _5 l: N
if <condition> then
* [6 K$ y1 F* w9 _0 I- _9 F <statement sequence1>;
# F5 M. i3 V# n0 G0 n1 D% g elseif <condition> then
6 f W. ]. l- [2 P$ Q# I9 ^ <statement sequence2>;
; C C' F% u4 |7 L# A& T else
/ l8 v0 n, @4 U5 Y; O <statement sequence3>;8 W$ w/ s; ?+ n' M3 c, l2 l2 j
end;
# \3 x9 [) v# Q2 \) z$ @如果分支比较多，用：
+ V* m7 i! {3 i% ~3 t. c inspect <expression>, D4 D6 Q8 B4 ^
when <constant_list> then
2 I$ U- z! L0 L }6 T; S% F1 R" ? <statement sequence1>;7 w3 b! {7 H5 z3 u( ^, t% Z
when <constant_list> then
$ M6 A# T4 g n' j. y <statement sequence2>;- o: |9 e6 }( U+ s c/ }& @! f
...
2 B/ @, B2 Q. ]7 g: r. \ else9 l8 R7 E; M X& K! H9 ^
<statement sequence3>;
z) B8 Q. P& R3 zend;7 K, x- k) d. i
' U' o& U/ o- S$ k ^3 h2循环语句/ y8 s4 y5 }+ ^; e3 \
(1) from <statement sequence1>+ ?2 F* u9 B, P& L0 V( c3 }" [
until <condition> loop2 I8 u+ i% u( \
<statement sequence2>;1 v/ a' c7 z: X) s8 [1 I
end;; K. w% T! V+ h0 D' N
(2) while <condition> loop
- P4 R9 w" X! G8 C <statement sequence1>;* R$ Y. M, ?3 I7 N' |" @
end;" L h$ ]/ D' u3 T% A. y4 t
(3) repeat
8 \% N- @" A/ l <statement sequence1>;
7 Z1 x" I2 V N until <condition>;
2 u0 {. L9 m& e: m% A! ^1 h (4) for <condition> to <condition> loop
; E5 ]# Z& M" {/ g$ p+ k <statement sequence1>;$ q- A3 ~8 m' ], U8 m. t' u2 T
next;/ \$ Y1 Y7 u3 h' ~9 x
3中断语句, o: H" p4 Z1 u A$ d
waituntil <condition> prio <integer expression>;' ~* O0 ]7 D/ j! s
6 U5 P7 x9 ]/ e9 U
h6 L! W& I, V5 H. G, I$ |以上为常用的函数！1 H0 P$ _. e: m, ~6 p6 Z
还有很多，如有需要我把资料发到你邮箱里
( [6 _3 j% ]+ L) i# g. {
, j" t# v0 d1 f" k6 o
7 N; F) Q- s0 o/ C, U( x4 r0 t6 h1 ?- `8 f& A" E
& v( D1 V& h/ I% y8 l$ W- \
( A. z% r3 c8 b- F2 `2 W7 n
. l8 U' W% I5 B& S- S8 f
( S1 @, x5 _9 a1 q8 @: h, a% L# Y, k" E
" H. i5 n: a" C2 X
1 u3 L+ C# x! e0 y; @6 B7 } |
|
[复制链接]
