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发表于 2012-11-13 08:48:12
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1判断语句
( ]8 N3 H- Q& ]: A! l* I& [' a if <condition> then
( C W! S( H M8 Q5 p/ u4 e) e& k, r <statement sequence1>;
% L; R" Q8 b/ h5 M1 v: o elseif <condition> then
% Y4 S- y. i/ q" ~* f <statement sequence2>;
1 h. x+ F+ r+ g3 i else
4 B# U: r7 y( Y8 ~ <statement sequence3>;7 f" S( w# v, O
end;8 a, c8 h2 L8 _: C) G! r9 S
如果分支比较多，用：
3 S% U" F' A! P) \# e inspect <expression>
5 N: s0 T# S) N% | when <constant_list> then# c% e! I' V4 C+ Z# q
<statement sequence1>;5 t7 l" L4 P3 n/ Q4 _4 n* b
when <constant_list> then
! @/ F$ V- f) I0 F <statement sequence2>; T! C Y* \! t$ X7 ^
...
5 h3 {( i* `2 a else
4 b4 E4 z4 \9 O. Y7 J1 m4 \$ @ G% r <statement sequence3>;
2 Q) k" |6 Q$ I0 K! t1 _end;
& [! b1 n1 ^* R! H% t
/ A5 U, ? m. F+ b- }" M2循环语句
" U$ y! X1 Q: d6 V) O7 M# H (1) from <statement sequence1>
d0 [! X# x3 W$ x until <condition> loop
0 o4 K/ A5 k! K) P" Q <statement sequence2>;
2 K$ W) K8 `5 X/ D9 i end;/ O4 O2 ~3 F, t$ M6 w0 I: q
(2) while <condition> loop
/ H4 R9 y R+ W3 a <statement sequence1>;
0 p) u: m6 c5 } end;
2 ^5 K, I3 V9 T: k/ t& O: j0 w (3) repeat
3 E" M; t1 ?5 p. U <statement sequence1>;
$ [# W4 J* x8 w until <condition>;
/ H; ` R3 ^% i8 Z7 y5 h (4) for <condition> to <condition> loop
% \4 a" K3 ]3 u$ X( q <statement sequence1>;' L+ b$ A1 |; [, t& @, H# Y
next;
: T8 b6 z2 k0 z; `3中断语句: C1 G2 E/ ~6 }
waituntil <condition> prio <integer expression>;' {; S$ U. P7 _6 L% y
0 A/ l/ b) p' x" R/ v, U
0 S* t' _. H3 J" q2 d# S以上为常用的函数！
8 Z( X5 P1 Y- m% T" v还有很多，如有需要我把资料发到你邮箱里 * I! w; X* }5 a* \
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8 ]3 c" |4 O! b; [" q# X+ S! J
9 k4 V" q9 w5 R4 }
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