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发表于 2012-11-13 08:48:12
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1判断语句
: g" p. m( A6 Z; U/ }) N if <condition> then' M$ |& _: k8 l6 b
<statement sequence1>;, d# h+ d3 Z3 N" {6 s* N
elseif <condition> then
" ^$ \, ~6 t0 | <statement sequence2>;+ r: ~: w- z7 s( n9 p; {. O. `$ Y
else , R0 m. Y7 d6 }8 d
<statement sequence3>;
1 E& v5 m/ c5 _, D5 Y3 i end;
o8 q8 h9 j0 g- k" P$ K6 I如果分支比较多，用：/ Z7 C/ s9 o$ w% H7 I; z& [- h2 \
inspect <expression>7 O" V6 M: X2 }
when <constant_list> then% x& ]* m) @* M& S& X- V0 [8 R
<statement sequence1>;& w" ?" p8 p% a* Z
when <constant_list> then
) e P/ ]/ _! @9 B <statement sequence2>;$ v3 p/ d5 c4 d3 Y7 ~/ u
...: m# r% ~; v4 P5 o( j$ n1 q
else- S7 V9 e% Q8 C
<statement sequence3>;8 r! Q; B9 {0 c6 g
end;
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O' r! m& T3 S" l; M8 I2循环语句0 ^9 |7 _1 h) Z: l9 f6 U
(1) from <statement sequence1>
' }: d8 O9 k0 j; ?: h& | until <condition> loop' {& ^! }. N, t$ F0 r
<statement sequence2>;
4 {$ \, H q% \ x5 ?' `1 R( F end;
- i4 F; X! d1 Z# R5 y* k2 B9 b5 e (2) while <condition> loop; [3 h, j: N. h8 R5 `7 Q
<statement sequence1>;+ b7 ]! m# J# Y+ D1 [) [1 L
end;6 T3 ?1 o6 y+ k, }9 c, |8 ?
(3) repeat . D7 r! | ~/ o; b8 Z7 m& S: w
<statement sequence1>;
$ l. j! x' n! F. i# Z7 |2 \ until <condition>;$ K( ]1 Q5 ?, x! \- T3 _, v: b
(4) for <condition> to <condition> loop
/ L4 ]2 R# Q! w. U& ] <statement sequence1>;
3 z' G/ b+ }) j1 b. x0 f* J next;; z: b6 \& n$ N
3中断语句) U B- B! _, _4 m' h5 `
waituntil <condition> prio <integer expression>;+ a+ ~7 O0 m4 R- n, G4 d
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以上为常用的函数！1 T( s# ?! a' \; }
还有很多，如有需要我把资料发到你邮箱里
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