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发表于 2012-11-13 08:48:12
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1判断语句
& z4 h' @& ~9 N. B8 m0 t) X if <condition> then& ?/ R. F; H, N" b
<statement sequence1>;) N4 A; a0 U, q+ f/ R
elseif <condition> then. r( M; O7 I9 h' h, L" C% f
<statement sequence2>;
' X0 b6 c: D0 K, Z( m9 Z6 U else
8 ~& Y. Z9 a8 `2 r4 c) Q% F <statement sequence3>;
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如果分支比较多，用：7 j; I% ~ x" o3 `. U% H
inspect <expression>, c' e* T" M+ Y- T% C
when <constant_list> then S- y7 e% Q0 n% @4 Q" T" c
<statement sequence1>;; U+ r: ]6 p' Z; Z' J
when <constant_list> then
8 l0 h {/ w* u% f) L <statement sequence2>;! M0 S2 m- ~: e% T, q4 ~; b& I4 \
...
6 u. L$ X+ w: f5 J else
; G% n4 n" I4 h4 b9 ^4 F5 q4 t <statement sequence3>;7 p8 z4 J% i+ ~8 o3 w' I
end;
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(1) from <statement sequence1>
8 Y- R( ]4 v! y6 M2 I until <condition> loop" ?1 z5 m7 R- i
<statement sequence2>;
3 `( ?$ w% I; m1 u end;1 k2 o5 a. V3 A
(2) while <condition> loop
. L" ]7 l0 k( ?9 R% S3 F1 E <statement sequence1>;$ b- y( o# \5 h0 n
end;6 `. g/ b# K! m( I# X! ?; E7 p. t! ^- C! i
(3) repeat : R+ r: Z8 \( L2 l/ v! f! ^
<statement sequence1>; ^* a" s6 `/ A
until <condition>;
1 `% F8 @2 x3 e) I2 Y" m (4) for <condition> to <condition> loop6 `8 d; o) B0 M1 \$ m$ j" Y9 O7 X+ K
<statement sequence1>;1 S; K. M3 @" n/ d* D
next;
# T \& g8 U& d/ f3中断语句
" b0 e* w& v# r3 R waituntil <condition> prio <integer expression>; a) \8 u7 m) ?" l6 |9 E
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+ \' z1 @2 E6 r, m0 K' x以上为常用的函数！
0 i7 x6 F5 L, f; D+ ^6 C' \1 J* N& f还有很多，如有需要我把资料发到你邮箱里 + F/ P6 a, x/ ~8 i% ^
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