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发表于 2012-11-13 08:48:12
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1判断语句
/ W, E& ]- _# f* U! Y if <condition> then$ ?+ U+ e* _( U" \
<statement sequence1>;
) F. j9 C8 I* v- T+ O elseif <condition> then
! q4 e6 e6 s. d& [ <statement sequence2>;7 P+ W! U. ~2 w
else
0 }$ s$ q2 Z% f* E <statement sequence3>;
' ?* I* r5 i- _) f3 G end;
& [& U3 p5 Q% T! k: B$ w如果分支比较多，用：9 W8 Z4 q% e( |5 p5 q+ D7 d" F; ^
inspect <expression>
- j8 S( D2 _- S when <constant_list> then7 ]. d; S8 B0 u- x
<statement sequence1>;7 E+ i! l8 U6 d) G1 s3 Q2 J1 I6 h
when <constant_list> then
, Q$ [/ k% r# N/ J' _9 J. w <statement sequence2>;% z4 t# E* L5 y
...
2 T0 n! c8 L+ | else
5 k8 Z- L- Z& @8 \ b- G( P: l <statement sequence3>;( S5 u$ ^" ~7 R
end;
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(1) from <statement sequence1>
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<statement sequence2>;. x# ?- L! O7 e9 z
end;
& C3 s: y( ^' r1 d" F (2) while <condition> loop
3 H5 f; }# O, `8 S& Y9 _5 @ <statement sequence1>;! z t# x, S3 D& p3 _' x
end;
! O. S- ]& w. c6 }7 @ (3) repeat - ]8 R2 [- D& S3 w9 s/ m9 b; n4 P
<statement sequence1>;
$ b/ U, i" A) n until <condition>;
5 F% y- D2 P# u; d) v3 i' C8 | (4) for <condition> to <condition> loop
# ?; ?/ P# w/ \5 _ <statement sequence1>;
- F; l& r- B. [ next;8 [: f1 T% _6 g2 J6 i/ ]
3中断语句0 b2 V$ j. N5 [) D' ]
waituntil <condition> prio <integer expression>;
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以上为常用的函数！. p- c ~( I. y; T' w6 N' m
还有很多，如有需要我把资料发到你邮箱里 6 i" O# e. G q( _' y
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