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发表于 2012-11-13 08:48:12
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1判断语句
/ e/ ]$ U* O0 Y7 Z) z if <condition> then
) n. j2 L4 T+ t& H: l. X! s3 w <statement sequence1>;
2 U8 q0 g$ T& p {& z elseif <condition> then
% M+ n/ X; M. Z* H <statement sequence2>;) X( }1 F7 U, q8 n; t1 g0 H; Q) s
else 1 G/ u# R0 D* [" W1 t! `3 d8 {
<statement sequence3>;
2 `$ P, s, j6 E# Y5 S7 @) g4 A/ D end;
/ T& s4 X+ o" M- F+ i- k% ?如果分支比较多，用：; N+ L, |: f* y# |- N2 O6 C$ |
inspect <expression>
" |& E. T& I. @/ J when <constant_list> then, u8 _. R+ I6 L8 E2 D6 K0 ~8 T1 p: j
<statement sequence1>;, {$ E. [! W" m, d& s
when <constant_list> then# j0 ?; C5 e. y8 V
<statement sequence2>;. G" v# U( |7 H3 {6 T
...
+ n* u- b; K% U- w8 _ else! Z4 ], Y) {7 M( J
<statement sequence3>;: y% o& ~% z- ?3 n7 y0 n5 |5 n% ~: x
end;" V( j" h# i9 W; s
8 E3 m4 c" t E1 a/ a2循环语句
9 t' h' D! ~2 ]# I (1) from <statement sequence1>3 @) ^7 F9 ~! R
until <condition> loop- _) e( X w* w8 r. g
<statement sequence2>;
) u/ Q- q P* ?; A6 U3 [2 ]0 n end;& I; ~# S& v1 _8 |' X, _
(2) while <condition> loop
/ f4 g5 ~0 ~! r+ t& ^! o0 B# ^ <statement sequence1>;3 N. c) b, w. N
end;% C1 h8 Z6 }+ C1 }3 P8 `) @
(3) repeat
" J( Q4 }, z a# S T <statement sequence1>;
* [2 C- Z7 I' e' g9 z2 J until <condition>;: r9 f9 b1 W& t$ U# v- `7 V
(4) for <condition> to <condition> loop
- R& m6 m$ a2 J7 o <statement sequence1>;
8 i" M5 n* l6 Y! m3 K next;
N: L0 n6 H/ f% h3中断语句
3 L C$ r- h! v1 r waituntil <condition> prio <integer expression>;, A7 J( l7 B3 f$ C1 ^/ }
, |8 ?# ^9 Y |5 I0 T& ~! T: V
3 o6 o1 W7 p' a
以上为常用的函数！
" |2 B! s7 _5 g, x% w还有很多，如有需要我把资料发到你邮箱里 # j5 u" I# w4 I" ~, e
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