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发表于 2012-11-13 08:48:12
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1判断语句5 q3 P4 d: @# F# S5 t; N( l
if <condition> then$ \! P& s) ?5 R3 ?! U5 Z9 T
<statement sequence1>;
+ C' F( H" V8 V' K, r2 o elseif <condition> then. ?9 |. r0 B7 L3 V! R
<statement sequence2>;, l6 [- M4 ]6 N' d/ L3 @$ J- y
else : {/ K7 O* s6 I# f/ `: T
<statement sequence3>;
6 d0 x8 v* \. `/ N* } end;% V2 J* i' g7 J H) t
如果分支比较多，用：) R$ ^: _+ c" e0 f
inspect <expression>
3 @7 C% @' u6 t5 V% R& h. b) L when <constant_list> then
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when <constant_list> then
9 ~" `* g2 u. h# K( \6 u$ P6 \ <statement sequence2>;$ `- z" g& i/ ^. l
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else# r" C+ M& s6 o6 A9 m0 h' }, z
<statement sequence3>;
4 A7 G8 {8 F( w' ^. bend;
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2循环语句
T, e5 X! d, ~- k7 v8 [ (1) from <statement sequence1>
+ G1 Y, V' I+ u' w4 e until <condition> loop
" R1 _5 W4 H1 z% Q <statement sequence2>;. L& o V7 R/ Z( G' [. }( ^4 `. W+ o
end;
/ a4 G9 A) a/ f9 E% c$ Z t+ T (2) while <condition> loop
" q% i) S' y: H <statement sequence1>;
- x( G: i6 x1 ^/ Q) p3 G& O: { end;
1 \9 t0 E/ A: J1 ~' Z+ `5 S5 U/ e' u (3) repeat
- B* @& G: d' ]7 V# u* Z( Y: _ <statement sequence1>;
3 W+ M K8 e: j" `- v until <condition>;
1 g4 e6 K0 Q Z) u- t9 P (4) for <condition> to <condition> loop
5 y2 E' G4 ~; R, W <statement sequence1>;
0 Y7 @$ s* G# \2 g8 ?$ ] next;& Z5 H9 D% B. }3 X; t& D
3中断语句
0 I I% H/ p/ ]' d* R1 K0 w waituntil <condition> prio <integer expression>;4 Y7 l( Q/ c9 j0 B8 g: ]
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6 p i' c( v* S/ _. F; q" n4 H以上为常用的函数！2 s- d6 Y6 ^7 q4 p7 m
还有很多，如有需要我把资料发到你邮箱里
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