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发表于 2012-11-13 08:48:12
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1判断语句( p% O. b% a4 I/ p l) X" E$ y1 R
if <condition> then
8 f$ T! _( B3 o3 k1 m5 y! c <statement sequence1>;
, o( b, \+ T& Y( b! W elseif <condition> then
% @4 J- ?8 \7 _' | <statement sequence2>;1 \6 @" {- C; d7 A: I
else 0 C8 O- g2 X* h, j
<statement sequence3>;
. s: y- @! a" m end;
) j6 K, H8 {" k如果分支比较多，用：4 ?& B& y( W( e
inspect <expression>
8 [; \2 M, d% H4 c when <constant_list> then3 ]! R- @8 V0 j! w" k+ E
<statement sequence1>;
2 K7 c1 c- _- i' T8 z' y9 ?0 l when <constant_list> then* c0 N" I$ D7 ?1 J7 w4 k+ o
<statement sequence2>;/ H& M! J" B u G* T6 e) w4 b0 e- d# h
...
, U+ d% n z* |8 ^: x( I" [8 J else
2 A8 d( G! l g0 J* L# {* [6 V2 g <statement sequence3>;4 C$ v0 t- z9 |5 f2 W5 {) y6 J
end;1 Z# `: P: s3 ` d
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2循环语句
P( A) M. V1 y8 W3 S$ j8 ? (1) from <statement sequence1>
" c8 l2 I$ M4 A0 P# ?' [; v1 N until <condition> loop* `: C" w9 F1 n$ E( v
<statement sequence2>;) [/ S" U, g6 x
end;* s, M5 v& u$ @- L) n0 C6 Y* k
(2) while <condition> loop
& P& K) Z6 N( A+ `" C <statement sequence1>;4 o& T0 n* \* B1 [! e% q
end;; t- b0 w0 v! E3 B. u
(3) repeat ' `, U" f: B9 i3 G2 H) d6 ]% `
<statement sequence1>;, a; |+ x$ O6 _( J
until <condition>;& e1 l6 y/ x& `( g7 S: S( m
(4) for <condition> to <condition> loop+ T, O$ ]$ l. c& v6 |+ @& b. ~: U
<statement sequence1>;1 W! m6 X) x! J+ Y2 i3 I/ Z
next;
4 V4 R) c& Z9 K" H0 O7 B3中断语句
) |* ?0 G, }) d b waituntil <condition> prio <integer expression>;: i& g( D) g5 P S- U$ Z: r& E4 C5 x
s: D A e: W" q% M& R- G
9 J8 U1 u( _# e以上为常用的函数！
( p7 `0 |% [6 v* Y! _9 G还有很多，如有需要我把资料发到你邮箱里 . V' E- p, F3 p4 U; C! r
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