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发表于 2012-11-13 08:48:12
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1判断语句" u5 \/ L( p( _
if <condition> then
; a4 t# E _! v <statement sequence1>;2 m2 K9 P! N; x) b3 _4 [* ]+ J0 U# G
elseif <condition> then+ Y6 K) V+ h' B8 Y3 Z; V
<statement sequence2>;
5 K' X$ }( G8 ^8 J {8 Q else
6 f! T: a! M4 ^' F: Z; B8 D <statement sequence3>;
3 `# }( n+ ~/ {3 T$ t end;
F1 B/ Y- c' e3 o* w T如果分支比较多，用：0 K9 N9 P {. M" M
inspect <expression>
9 g# X2 m4 T7 J" Q$ I7 C& z when <constant_list> then. ?: ~9 Q0 S& |1 C6 T$ \
<statement sequence1>;
9 f9 v. @4 J9 f6 T when <constant_list> then' b2 @1 a1 y3 Y* @: g
<statement sequence2>;
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else
! |' Z) n- n% z% e7 } <statement sequence3>;* X1 j9 ?# z+ d) v7 L
end;
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( h7 C) j' ~. _( |) U6 p8 E2循环语句5 d9 \. ^) |! ^9 ?0 t6 a8 `
(1) from <statement sequence1>
4 |" D# j# q* M9 J, T4 p8 c; [ until <condition> loop4 i7 i& t5 d' r! Q
<statement sequence2>;
, Y4 B' J l% T v: m, r: m end;, k' D" \; D: P8 D) @- J3 H
(2) while <condition> loop
1 x J _8 ~! j. `3 P <statement sequence1>;
/ \: H% V) p- W end;( m& Y' h. v6 [; t
(3) repeat
: ], a; X9 a" A& z0 ]9 t/ P <statement sequence1>;
* o4 G2 U# e- c9 ?" `0 r$ m% ]$ y until <condition>;
# ]8 @4 o) j+ p: r7 n% L (4) for <condition> to <condition> loop
9 F5 i& m7 V7 X) n <statement sequence1>;
& i/ A, G6 ~2 b2 @+ `4 C4 W next;+ s9 L/ K$ U. w: [
3中断语句
0 s0 X- E6 S' k5 G& ]8 `0 q waituntil <condition> prio <integer expression>;
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以上为常用的函数！
+ x) f6 b! r' i% d. q6 Z' y: c还有很多，如有需要我把资料发到你邮箱里 2 E7 y }/ q" `5 w7 {* R; c+ z1 ^
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