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发表于 2012-11-13 08:48:12
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1判断语句# N( Y" H2 [" d- N
if <condition> then9 y- [' i3 @/ ?' X
<statement sequence1>;, |( Z. x/ A7 d y$ x
elseif <condition> then- e6 q+ l; s8 S9 I
<statement sequence2>;; x1 U2 |( _( @3 t
else , u- B0 d) z+ b+ y- o, o
<statement sequence3>;
8 N4 E3 A. [3 [ end;
: a4 `; o) X( q& _* q7 y如果分支比较多，用：5 x" ^; j# { \3 d* g: k+ i
inspect <expression>
5 X# L- p, _- z; R0 h when <constant_list> then
( h9 a# L+ d/ G <statement sequence1>;
( j3 [# V8 k+ u9 _. s! `% U+ Y5 W when <constant_list> then- o8 c8 o1 y' c" C4 s, i
<statement sequence2>;
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else
+ T* P0 O, m& ~1 e( G <statement sequence3>;7 w7 y" L N: ?1 k
end;2 Y. s* F4 Y7 Y9 y9 m* B. Q
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2循环语句
6 D5 v, X: `" N0 y (1) from <statement sequence1>$ A) X3 L4 c! z; G# I0 f
until <condition> loop
- p6 ~* k1 M+ x _# I) ] <statement sequence2>;0 f1 i; ~* n; Z: L _
end;& d" O2 x& {" \2 Y5 H! @/ i. i
(2) while <condition> loop9 i' u! `& Y; T# p& }3 }
<statement sequence1>;8 }4 C" g+ E* w7 U* B
end;
" A3 t8 r8 Z9 m (3) repeat
, S7 D4 p! H0 C5 v <statement sequence1>;, q1 {! q9 o2 ?1 t0 o
until <condition>;
. @0 ^( [2 Z( y' v, c9 U$ [' Z( } (4) for <condition> to <condition> loop
- k6 h4 o1 |' l" {2 K <statement sequence1>;0 O/ q* f$ F) W: i- @+ P; X7 G
next; S$ D8 \& ~" o0 H* | C
3中断语句, x, ~5 |$ Z* r8 U& |* r+ q7 k
waituntil <condition> prio <integer expression>;
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! ~* ^' t, T$ D" ?. _+ P以上为常用的函数！3 ]# f2 l+ V% @
还有很多，如有需要我把资料发到你邮箱里
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