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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 P+ ]; T0 N; Q6 X* | if <condition> then F7 ^8 N8 ?% ~. ?) ^6 `
<statement sequence1>;
! |# Y* G4 Y) U% @! ?% j elseif <condition> then
+ M Y, O) @$ ]4 x! C v <statement sequence2>;, e' m; i6 z" s6 |! p e' E
else
1 K' e q% p; x9 L7 f; ] <statement sequence3>;
: @& x0 T0 n7 f9 I3 C2 ~ end;, [# \7 D u. |9 ~1 ~" P3 J6 K
如果分支比较多，用：2 O" C B9 Y, [% ]; C
inspect <expression>; d2 V- q0 o: _+ T. Q, H4 O
when <constant_list> then
0 U, d+ T( k% d. s/ k8 k <statement sequence1>;1 I2 A6 X- z9 @4 p5 f3 ~
when <constant_list> then0 Z- R' ?1 O- H) k D8 B4 v
<statement sequence2>;
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<statement sequence3>;" \1 R5 J/ B; {% D9 e
end;6 c9 B, g+ d `
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2循环语句
: t2 r7 V! z$ \. U2 v3 L (1) from <statement sequence1>0 {$ R9 W, u$ k, g4 L6 y
until <condition> loop( {' i9 k1 [+ m5 W1 _9 w
<statement sequence2>;* M1 C% |7 J+ u& t6 t
end;
% m+ }" D$ H7 U: t7 W1 |+ h" @ (2) while <condition> loop% K6 K& m) b, k' j$ Z
<statement sequence1>;* L) g6 O- U% G' [
end;
5 I+ U0 n8 h0 V5 ? (3) repeat
2 N+ [ E6 G* U1 A' K <statement sequence1>;6 d2 u4 {1 _) {% k& Z) ~9 g7 M6 Q
until <condition>;: f5 @ g0 Y4 T; C" G! T4 T1 ` K/ x
(4) for <condition> to <condition> loop0 S6 I3 A$ N. m8 V" w. s w" K
<statement sequence1>;! y- X- X9 u, u9 d3 M
next;
* B P% O( T6 P5 E3 t, r3中断语句
1 Z. b2 `5 w8 |7 X$ }& s waituntil <condition> prio <integer expression>;
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& P$ k3 b6 _- g: s9 w8 |以上为常用的函数！% O3 q( }4 x8 E0 f* @) ?
还有很多，如有需要我把资料发到你邮箱里 Y* p9 @6 Z' ~/ h
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