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发表于 2012-11-13 08:48:12
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1判断语句/ {# z! m" \% `0 {2 ~+ ]% H* I6 u
if <condition> then
- H' }) M1 ], Q: l/ Y <statement sequence1>;' J, X" x) J( H5 I' T* G
elseif <condition> then
" f# y( W3 e( V1 E- O <statement sequence2>;0 Y2 T$ v: l+ b
else
6 ^7 D+ Z7 b$ ]4 ~ <statement sequence3>;7 e% w* g- U/ m; f
end;, M1 W+ r+ D; ^) k- L) O5 @- V
如果分支比较多，用：
" {- A. a8 X8 F) v. P inspect <expression>
% Y1 Y# h7 j- S7 c8 Z( x3 y when <constant_list> then
+ @, z, d; N1 | M <statement sequence1>;
/ j9 f+ i& J, L$ a' i# s when <constant_list> then1 p. I) V7 m# X0 \# ~
<statement sequence2>;: @" r6 W, b$ g2 T/ O) e
...
% o& F/ x) u) [' o; L else
9 ?% y$ _5 R) z! q: W- B- ] <statement sequence3>;
C; r' K$ l- j; i4 kend;
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2循环语句
$ n" i) f8 f" v9 n' s7 K (1) from <statement sequence1>
3 @9 d! [9 [0 L/ i until <condition> loop
# a- Z+ J9 q% A: K( m <statement sequence2>;
' C9 T' m# B) i& {5 k P end;
, W4 b5 [) J+ P4 T (2) while <condition> loop
; n& J, G& b" Q8 i <statement sequence1>;5 l7 ?+ {2 o2 K* Z$ A0 L
end;
% Y3 T9 U/ y( _: w (3) repeat
0 {4 N* h. i, [ j <statement sequence1>;
3 q# g6 p+ k+ K+ w4 q a until <condition>;
/ F- i! V0 ] u2 G! k b6 k5 N (4) for <condition> to <condition> loop2 V& }9 Y5 K2 Z! F+ G
<statement sequence1>;4 I( W. t8 N ]7 G1 C8 H' M
next;
4 A+ b+ X: q% V1 Q5 w& u1 f& ^9 Y3中断语句8 v, X) b( U' U2 N5 ]/ @% R
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 t0 U/ M4 S$ ]! D还有很多，如有需要我把资料发到你邮箱里 / h0 V& [7 y3 p" \2 }: ?
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