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发表于 2012-11-13 08:48:12
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1判断语句
8 U0 s2 V6 Y6 P if <condition> then! f9 ]) L0 L% ^4 X7 }& y/ A( [1 a* M
<statement sequence1>;! x8 d8 K. o! R7 t$ C# n
elseif <condition> then
% ]: T: h- n4 ^' S% Y <statement sequence2>;( {1 T" J9 s6 W
else ' O0 j: A2 g; r( W' k# T% E7 e
<statement sequence3>;
# }+ V ^. s4 Y end;* L2 H- Q- X6 ]8 P/ _" ?
如果分支比较多，用：
! b/ n5 h0 F) c inspect <expression>
2 Y2 S p! q. k8 L when <constant_list> then
4 [6 T* h, }% W' Q <statement sequence1>;( z: Y# ^5 Y- R* r
when <constant_list> then
8 B' _2 J& H$ E% e6 W <statement sequence2>;. V5 n( V# [6 I5 i% T/ K0 [
...
) X7 d$ _: A. L) O4 z else
3 U; I' ~' R% l3 i) t1 f) _ <statement sequence3>;
4 G9 a, X: K# q3 B K- Jend;
4 t0 ]3 p5 O( ~ z& P7 c2 ]# \' h9 G6 J' g
2循环语句
! Q3 F9 {; `/ f (1) from <statement sequence1> g8 t; r# ^& n
until <condition> loop
# X4 |9 p" h$ X <statement sequence2>;
# B4 i* T. V! x' |5 _ end;
& i3 Z7 ]' _# {7 Y* v (2) while <condition> loop
' E" m3 g2 Z" E/ T# J+ }! ? <statement sequence1>;2 C6 n6 P( O$ D, n0 c/ g
end;. P& J% ~9 G; |3 w- P9 @
(3) repeat 7 ^6 z/ n4 Z) h: U0 o; b' P1 H" M2 N3 I
<statement sequence1>;# n/ B1 E3 z. f: h& ]6 Q
until <condition>;, j+ A% Q3 ~5 a% y
(4) for <condition> to <condition> loop3 E7 d+ v; r' K& A! T
<statement sequence1>;
) @% {' Z, |- H+ g$ v8 M. J next;" h/ t" W0 D; M7 {
3中断语句" d9 j/ ~+ T+ O1 `9 Z1 M
waituntil <condition> prio <integer expression>;
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以上为常用的函数！' m3 Z: R1 N; k$ }7 O+ v
还有很多，如有需要我把资料发到你邮箱里 * r& z, C5 \+ ]- z3 ^1 G; X X& p
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