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发表于 2012-11-13 08:48:12
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1判断语句
u7 i y( t# F if <condition> then/ `$ ?2 s ~) S$ C
<statement sequence1>;" k0 F- r( F. q# O. ~5 N, k" D
elseif <condition> then, g3 {" B- J) y' Y e7 B- `) s
<statement sequence2>;. C) S- D: |" ?% p
else
0 d3 X) s" F. {$ u: z- E <statement sequence3>;7 }* j: C% n( C
end;
: L% q( J' o+ C) C, e3 h如果分支比较多，用：
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when <constant_list> then/ K4 f; _# x; p8 {9 c- y. b
<statement sequence1>;
& K5 p* [% }) |0 z1 f# K when <constant_list> then/ x1 ]0 _" S: q: N! B2 l E
<statement sequence2>;
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<statement sequence3>;3 K; b; m# j5 `' G
end;
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y8 U v" v; K m" O2循环语句" t8 E1 U, B f; J) m; }
(1) from <statement sequence1>1 W, Y L g/ i. ]
until <condition> loop# X9 c, I+ H6 V' r
<statement sequence2>;
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(2) while <condition> loop$ k/ _2 ]% _1 S% q9 y/ }, i2 S3 ~- |
<statement sequence1>;7 F/ A1 s1 @7 `. Q
end;/ Y& m0 z: v( J7 x6 |2 O; o
(3) repeat
q! S5 J8 R$ A <statement sequence1>;3 K5 K+ p, j, n: K1 b
until <condition>;, P! r+ i2 X. P* L! V8 ?) d3 ^
(4) for <condition> to <condition> loop
% h6 x0 m u% H ^ <statement sequence1>;8 M5 t5 u4 y( R' S! `. ]
next;
4 Y2 C2 o4 g: g3中断语句
& [# G, j/ B3 b5 [& o/ `5 L waituntil <condition> prio <integer expression>;1 f& w; H5 @$ X
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" Q$ b" c1 s) r# M以上为常用的函数！
+ T. R$ W6 _* R$ ?( r还有很多，如有需要我把资料发到你邮箱里
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