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发表于 2012-11-13 08:48:12
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1判断语句0 ]: `. e: ~* b' x
if <condition> then
* S8 }% u: T1 Q$ V9 X% X <statement sequence1>;+ t* R5 z9 e/ l
elseif <condition> then
) D9 p% g4 t0 Z. ~ <statement sequence2>;: J3 S9 u3 g1 Y) j
else
h$ f6 n4 X8 @6 H; { <statement sequence3>;+ Y, S) l, v* |
end;9 o& c1 L3 i" o! x0 r
如果分支比较多，用：
) r9 f! E) ~3 B9 f/ q4 q# U inspect <expression>
: ?' y5 h2 V0 V2 H% o1 K when <constant_list> then+ |! A" }! o9 h0 P4 K
<statement sequence1>;$ |" `& N: T' V# { x
when <constant_list> then
, |" h4 \- s' w/ H <statement sequence2>;# [% j5 z/ Q* N
...- |7 s0 }+ f" Q$ p
else
' A! d6 u! S( j G, b# [6 f <statement sequence3>;' _' X8 O6 \2 Z" f
end;% ^: ?8 }" a- n* s5 O
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2循环语句+ x W$ w! ]) v. |3 m# l+ g
(1) from <statement sequence1>
. [: G: E, V( }+ \! k1 [ until <condition> loop/ v* X( x, W" [' l$ U; `! \9 U
<statement sequence2>;
! f- s$ y0 p( _4 F. f( y end;! I3 a: `: ~+ @3 ~
(2) while <condition> loop
" R K5 g7 R$ W3 g" y3 P8 o <statement sequence1>;7 g( l! c$ n2 d; m, M3 W
end;$ S1 d9 u& S0 @0 Z2 Q
(3) repeat
2 E5 b6 p' f& q; }' j# c0 x <statement sequence1>;. r0 ~; @/ R+ ~- V7 d$ l6 r
until <condition>;
& v y+ ]8 [8 @ (4) for <condition> to <condition> loop1 n) a0 y6 e% c; F" I
<statement sequence1>;/ [( Z/ a& N8 D9 S/ F
next;4 q/ g7 A# d8 }! d0 `+ Q/ a7 _$ V
3中断语句
" P* d& h l6 a+ Y+ i7 W& i waituntil <condition> prio <integer expression>;# C# R' q0 w0 l) D5 V0 d- a. e8 r
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以上为常用的函数！* m! |! X/ m" l4 y9 q- d
还有很多，如有需要我把资料发到你邮箱里
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