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发表于 2012-11-13 08:48:12
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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
...
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<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
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