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发表于 2012-11-13 08:48:12
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1判断语句
3 K% F9 v2 A8 r/ F2 Y$ C! d if <condition> then! A4 D; H- | n+ H7 y/ t4 F5 C/ i& {
<statement sequence1>;
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<statement sequence2>;9 _; ^) N: Y$ A
else 9 {1 b M$ W6 X, |& Y
<statement sequence3>;
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如果分支比较多，用：
1 k( V# l ~& b9 P( ]0 S* w inspect <expression>! k1 g8 h$ K7 V* ~' G* G
when <constant_list> then
4 N4 i) v& L o" S1 R( t <statement sequence1>;$ H; N3 B- R. c o
when <constant_list> then5 P, Y Z) j$ I5 e
<statement sequence2>;1 e1 y% h/ h- o* N s; C) K6 J
...
+ B, H" h" ]+ ?) z' c else
/ U) K# x& l% [+ h) P/ v <statement sequence3>;
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1 P) O: D) E- }9 K" q" u2循环语句
9 a( |* H! G1 P0 e, i (1) from <statement sequence1>
$ s" n: g2 z" h; n E until <condition> loop/ j2 @" s0 R& |
<statement sequence2>;
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(2) while <condition> loop
, H6 }3 f, v. L5 p8 C# z% p1 [ <statement sequence1>;# \( [" V9 c0 P8 X! a. g+ n" ~8 Z
end;
( b6 ~* y3 @! T# I; O- K& ~; ? (3) repeat " d; y+ [# |1 U* t E6 i" q
<statement sequence1>;
1 A) d* e6 r. G4 d& t: J until <condition>;+ r. ^/ T w% Q4 X; v
(4) for <condition> to <condition> loop
( B0 ~% r! u% a5 V <statement sequence1>;( _4 Y3 Y1 `5 {4 _& u
next;
" A V1 R. ?. R8 T2 `1 u2 B' p( ^& x; B3中断语句7 Z6 S) O& H8 T& I
waituntil <condition> prio <integer expression>;) e! D: x: U; q! b. k
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以上为常用的函数！
' q( X8 h. T: j6 i" e4 v还有很多，如有需要我把资料发到你邮箱里 1 z, b* n6 O# P% X: o9 C
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