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发表于 2012-11-13 08:48:12
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1判断语句
4 F7 K& F7 d3 q4 f8 [7 T6 Y+ g if <condition> then
, l0 E! k7 c' ^9 P <statement sequence1>;# e& l+ ?( E: r1 `8 N9 M& c ` f
elseif <condition> then' ^4 D5 o# I, m+ H9 q! _0 y
<statement sequence2>;8 I }8 E- L8 d. w: s) G1 k/ W
else 3 `. w* ]( {& h( w9 h
<statement sequence3>;& A7 t1 B, H! \5 P4 A
end;6 x4 m5 `7 {. R. e0 V& m- i
如果分支比较多，用：2 E" ~7 e$ _% R; u& s" E
inspect <expression>
4 k" a) V/ u+ K7 o: {+ W3 _9 G/ L1 m when <constant_list> then
, o* V0 l; q3 P l& ` <statement sequence1>;
9 D9 b( [" B5 ~) b) I: v6 S when <constant_list> then
3 j" x1 p# N, F- b, P <statement sequence2>;6 i3 |7 |: C5 p- b+ U8 o+ p
...- Q- F( p; I8 ?0 ]
else( a8 X0 Q0 g9 q
<statement sequence3>;
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- i: n4 E. E8 `/ C. D2循环语句6 U8 L' B# Y u0 t
(1) from <statement sequence1>) j+ Q# C1 c" A- r7 Y
until <condition> loop
+ \; B& M8 P, {" w( P# O4 n <statement sequence2>;
: C w. {$ F% _& ] end;
5 s$ y' Q1 C. I2 `# ~+ O6 e: @. c8 j (2) while <condition> loop, q( s$ l2 N; Y. g {2 d
<statement sequence1>;
- b4 g2 l2 C5 ]4 _: d end;
0 |; i- E7 ?1 Z# t- x (3) repeat " b K1 N9 I. b/ M
<statement sequence1>;+ ^# x+ s" V* i5 B, ^
until <condition>;- U4 S2 ]. `% F, s
(4) for <condition> to <condition> loop( c8 i/ I/ d9 T6 ~
<statement sequence1>;
4 ~/ r6 c( I4 q; \+ a, S next;
/ u/ L* [+ y- s7 _# R+ B0 Z3中断语句
$ X* j7 a4 B- R$ W waituntil <condition> prio <integer expression>;
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3 E* |. R7 h$ K( l" O以上为常用的函数！
0 c2 b! d/ B( `. @ m还有很多，如有需要我把资料发到你邮箱里 3 s+ g& o3 C" a
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