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发表于 2012-11-13 08:48:12
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1判断语句9 G( O. i: K& O1 ~ B- J& w% Z" t8 F/ x
if <condition> then
- S! g" I; l8 N1 [" S% O <statement sequence1>;3 K9 C6 ]; T! e
elseif <condition> then9 M2 ^7 o' M# F
<statement sequence2>;
0 m) u; @! d6 J/ [+ V: i else
0 b9 I9 n. Y* k% Q6 L <statement sequence3>;
- H+ U& Y) j8 k2 Y$ ]- v! L end;& ?$ y: W; h% R- m4 W& c
如果分支比较多，用：
; g# f) v G6 [/ w inspect <expression>
e& H/ D( D, k2 r" L1 M; ^' E" j8 u when <constant_list> then* F8 \. }3 T) _
<statement sequence1>;( U& z! O8 ]+ ?2 R# f3 c
when <constant_list> then# z4 z l7 \+ i% j' X+ h6 `1 L
<statement sequence2>;- S' t( L2 B: O5 g
...
7 [. f1 @% J/ w, d# ^ J, H else: E/ o/ w. u, f- H
<statement sequence3>;5 \3 R+ [2 x E- D& a& B6 [3 y. S' t" b
end;* i, r: y; h X+ ] e( a
! D- Y; ?& y) e$ ?$ p2循环语句
" @) o3 r# S0 | (1) from <statement sequence1>9 |: _8 F* g' \
until <condition> loop6 p' j, q. L% d; C" n: x
<statement sequence2>;
) P8 L0 Y O2 N- J end;
9 p- I. {; G; X! _ (2) while <condition> loop7 g5 E, j4 B9 B0 B e+ `
<statement sequence1>;
$ p) j2 }* s; v! d" h5 g! z6 o" B end;
A" M/ U: I& O8 u' j (3) repeat
5 I3 W, J7 \2 M$ |. E! P <statement sequence1>;" f' {6 U' V) w( O# I- S2 H s
until <condition>;$ E' W% J, H5 b# x! y: M
(4) for <condition> to <condition> loop
( E* S3 Q' K2 v) L v <statement sequence1>;: @9 ]3 I) C4 F6 x7 u, D3 D
next;+ E. U" p6 V/ z
3中断语句
/ `, R. b5 q% j waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 h4 ~8 O9 T, k$ L: I# U
还有很多，如有需要我把资料发到你邮箱里
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