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发表于 2012-11-13 08:48:12
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1判断语句0 @9 h8 t3 l5 W& @# r! |
if <condition> then
2 U+ D- m# w5 G2 t, k <statement sequence1>;( ~3 P) ?$ t, G" T& V5 W3 e) @
elseif <condition> then( ?; N G2 `! Q9 f+ k$ y
<statement sequence2>;3 O, u) h' W" p8 @9 \
else 2 W6 ~5 O7 p% b9 M
<statement sequence3>;
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如果分支比较多，用：
5 l7 b: W- \2 Q: U- T( I# Z/ X inspect <expression>
, L; `" O+ t. X" X! t when <constant_list> then, V \4 ]' A0 t6 U5 V' M
<statement sequence1>;4 i5 ^$ a3 J# C6 z2 d
when <constant_list> then
- [: t/ K. U' _4 x6 U <statement sequence2>;! U! ]' I. N# | s* J# P' Q
...
( J: F' t0 R3 g( Q else
% h6 [/ L6 `, U' }) P, J; Y <statement sequence3>;4 x0 o T; {+ p8 N3 O# r
end;$ @& w+ J' J# q4 g3 l: X
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2循环语句0 M- w2 B0 h) M5 ?# ]
(1) from <statement sequence1>
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b- q/ N0 A8 B5 u <statement sequence2>;
( n. N/ L& k3 } end;
) W& {# l9 x8 |0 z8 O8 @) E (2) while <condition> loop" P& r3 H. w/ W O( V
<statement sequence1>;
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(3) repeat 0 B# `* ^3 q+ t* w
<statement sequence1>;) e" v. g( h! n( ]" Z/ o
until <condition>;
/ z# ~& T: d) y5 Z; \ (4) for <condition> to <condition> loop( z$ j$ L3 t+ k& M) g: r2 j* T k
<statement sequence1>;% Y6 P. G0 F/ I2 J; j3 B
next;! F( L" K ?; `1 m- D" O3 p( B9 `0 l
3中断语句
: X* Y3 p; M7 ]" X waituntil <condition> prio <integer expression>;
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2 P$ R5 E# q0 f6 b以上为常用的函数！
. }$ d: [0 |/ a% x2 v5 V4 N还有很多，如有需要我把资料发到你邮箱里
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