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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
) J; L+ y& G5 y if <condition> then2 ^! d" s! K) X/ @6 S8 I
<statement sequence1>;2 j: ?1 q% [: P4 I) q
elseif <condition> then/ V' u: e8 A7 K1 f1 K
<statement sequence2>;9 n/ h4 d5 D5 Y. O
else ( a8 n: ^% H$ y# k- Y: _; B
<statement sequence3>;) [' e2 O9 t8 L- S5 V. T, J/ R* K7 j
end;
8 |1 \2 b8 A6 J7 |如果分支比较多，用：
4 Z& w$ s) h4 h! H1 B5 h: ] inspect <expression>
, o- K: L+ {; N: E0 Z when <constant_list> then
5 ?/ N5 a* n- c' g/ Y5 X8 j <statement sequence1>;5 }, C5 o5 V; q; C0 w" j
when <constant_list> then4 c* u6 u+ j. ]
<statement sequence2>;$ q, v9 b: R. K, I; U- n
...7 A9 ? }5 G; F: \& |: ^; W
else0 }' s, z4 ]% v. G
<statement sequence3>;
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n1 m! ?* S5 {
2循环语句
( T) b+ I( f( h% ?4 V. H (1) from <statement sequence1>
8 U( o5 {& j& m9 k/ R4 f until <condition> loop- H8 I& p* D0 w! q1 v c
<statement sequence2>;
# _& C/ K. A5 s6 T3 L end;$ i( D( e! ]* K
(2) while <condition> loop( u `* Z Z4 u# J3 b2 l
<statement sequence1>;) a; K( Y& E% N* d+ y' V
end;/ a3 u- L2 C" Z8 m
(3) repeat
: Z, j/ l9 b6 N' t <statement sequence1>;* j7 R, |, P, o0 ^1 ]
until <condition>;$ e0 y6 |) z7 G; n' W
(4) for <condition> to <condition> loop; P; _1 \$ y' h. k2 D' f2 |$ e( R
<statement sequence1>;6 {/ M% k1 ?# w0 T- Y: q. R
next;
1 m& z- P! C, q. B* `# ?' Y3中断语句# C& T4 D9 M. r$ J' c
waituntil <condition> prio <integer expression>;
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以上为常用的函数！; v" S* Y7 |$ n
还有很多，如有需要我把资料发到你邮箱里
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