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发表于 2012-11-13 08:48:12
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1判断语句
7 R5 ]7 r- |9 R6 y if <condition> then' N& a+ E+ r8 ~- |1 {. ~
<statement sequence1>;, g, s x. X7 b
elseif <condition> then
; j2 k1 C( E) x# x% r8 ^9 t <statement sequence2>;* o& d6 F9 R' E) `
else 2 `- c2 k* A9 N% r( K* ~
<statement sequence3>;
# B1 Q+ Z' W3 x$ S# ` end;
3 K# A. y) Q! R6 h- F& }1 u: N如果分支比较多，用：9 H1 I- M% g# n" e
inspect <expression>- A) l; u+ i" X* e
when <constant_list> then
: Z0 t$ w2 ~1 ~/ K2 I <statement sequence1>;' c$ y |4 O1 f
when <constant_list> then
9 w2 f) N7 d( ?" a/ x <statement sequence2>;
6 q8 q, r) Z: _+ q ...
; V: a2 D# u, q2 T else
+ u; O6 {, r& q! n' M$ Z <statement sequence3>;% k* B C6 l7 S9 ?9 }
end;1 @5 g; ^" B- R o9 u
2 g0 A5 ^" y! K7 C; x b2循环语句+ n" E% D7 k1 U" p x
(1) from <statement sequence1>4 e5 K: k0 z, O$ i9 k$ S# j
until <condition> loop
. c u8 s5 U% c" E4 O% H <statement sequence2>;
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(2) while <condition> loop) u( c: f" J* W' S
<statement sequence1>;5 K! [0 g# Y+ t6 s
end;
7 Z$ e- }% ?3 L* G5 Z (3) repeat
" N8 j/ K% [* m6 p- F% U <statement sequence1>;1 X& C, w; M- V4 N" e3 o# a Z# U6 M
until <condition>;+ d3 L% b8 G) j) d* i5 o
(4) for <condition> to <condition> loop
* b8 {& |6 ^5 U <statement sequence1>;
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3中断语句9 w6 u$ D4 ?/ j/ P, {. \6 p) R3 ~
waituntil <condition> prio <integer expression>;, W6 ] h4 c# G e# J$ N
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以上为常用的函数！+ d6 s# z& w& n+ c6 ?
还有很多，如有需要我把资料发到你邮箱里
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