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发表于 2012-11-13 08:48:12
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1判断语句$ S( H( ?. D# j9 r
if <condition> then6 U$ m3 J! W/ }# W( p( _2 O) _
<statement sequence1>;0 y4 ]" x, ?" h. _5 b+ g! w3 w/ B
elseif <condition> then h: {* x) N* F3 Z; F# O! ^
<statement sequence2>;8 ?* [1 j3 O: @
else
& E% N+ }8 u. y9 a <statement sequence3>;4 |9 P1 k/ r7 N+ Q3 _
end;
# Q) i( P! \( ?* `' s5 B如果分支比较多，用：
% N1 _; ]6 }7 ^2 K/ S3 \9 ^ inspect <expression>
1 e! c3 \0 g+ C( U when <constant_list> then
5 @/ r& }) w% Y$ n <statement sequence1>;
8 \: @/ m' Z- u( A+ i- P. W- ? when <constant_list> then
( D+ m) F$ P7 l' }% @3 `1 J <statement sequence2>;
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else! E. L: U# q/ c e+ ]
<statement sequence3>;, {: m/ A0 |7 @' O' v$ |
end;" A4 {* V3 C8 ~3 M) j' Q0 M+ T
: b4 z" Q0 K& M' G2循环语句8 ^7 E, z. O* N* y# w
(1) from <statement sequence1>
& o) R$ l4 L* k. o$ n2 M( w until <condition> loop) U, O3 l. i" r8 Y7 D) f3 q8 |+ e
<statement sequence2>;
# u1 B, p: Y* a, ~- W/ V end;) u! Y$ r v* k6 a6 ?6 r
(2) while <condition> loop
" G) t- M; D7 k9 C* }) ?- } <statement sequence1>;& t# M+ p6 `) I4 n1 G3 v% h4 l
end;
. V+ }$ B" a+ j( U5 ` (3) repeat 9 a5 s% r( ^# d( M6 R( V
<statement sequence1>;
; X. m+ S3 u4 L until <condition>;
$ j$ n0 l1 e& j; x0 ~ (4) for <condition> to <condition> loop
( i0 l' v& M# B <statement sequence1>;* f! Z5 ]* |% V1 j2 t) }3 R% p
next;
$ K4 J, _" C1 x' H, P$ E: V2 ]3中断语句1 y0 l* U# ^( A- b* R+ W
waituntil <condition> prio <integer expression>;
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3 D6 H% N7 I' h" |4 f3 J
, J; }. y$ Y. R; y, t% G+ F以上为常用的函数！
+ b4 w9 g4 L! g9 y9 X/ p2 {还有很多，如有需要我把资料发到你邮箱里
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