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发表于 2012-11-13 08:48:12
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1判断语句
* x6 U& L- |; |9 S if <condition> then3 H0 c) ~1 a* j$ r4 r, q2 k
<statement sequence1>;
& w4 d2 I3 U2 @0 u elseif <condition> then9 r, F0 }0 m2 I W
<statement sequence2>;
) t ~$ R# b7 S) U4 H1 R else " p5 p, n2 Q5 O; c9 o# _& j( ?
<statement sequence3>;
) i4 n% H0 u" K7 {0 b end;
$ }4 K* C6 q T# z/ e# i0 T如果分支比较多，用：. i0 V* f( W8 i/ a8 S5 Q0 ]
inspect <expression>
H( R+ k. D0 ^ when <constant_list> then
% d* t" F! g1 m* D <statement sequence1>;& P$ O, N" j s
when <constant_list> then: I1 c6 l( P' D3 c% p
<statement sequence2>;8 Q, h- @. u7 {; H! x1 Q) R
...
~9 u$ ] d' c/ z, A6 H6 T8 f8 ?3 n' f& K else
2 L/ T) {! |$ k6 ?1 c5 f c8 Y <statement sequence3>; r" X5 T1 R. M2 S$ f, y! O
end;
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, f- p; N" g4 q; u- r+ u2循环语句
! x: }8 M- j0 z% t$ \3 s5 y2 v (1) from <statement sequence1>+ D s1 C0 K' P1 j: W6 W D3 B# q
until <condition> loop: M: @% U& \5 D0 A
<statement sequence2>;
9 p& W$ r1 S! S: q0 a end;
( M i/ H* [9 d& P' b, W (2) while <condition> loop$ ]5 P; U* |& [- H
<statement sequence1>;$ v0 w' i H0 D, _
end;+ [( U9 | ~: g/ H
(3) repeat " K' W4 t `1 H: h
<statement sequence1>;$ D1 ? x' c" ?+ u$ L
until <condition>;
6 A8 f5 O; J& x8 A4 E (4) for <condition> to <condition> loop, I& H6 A7 {3 Y; t+ `
<statement sequence1>;
! ^! l7 l" q* Z5 h$ Z next;, D# _# r% B( c1 T3 T$ {
3中断语句- q! I' B: H2 o2 Y# S3 |' V# [9 [
waituntil <condition> prio <integer expression>;" C, p4 n6 A5 I5 W( j
# R) \ s$ u9 ^& I9 b) O
2 j- f' `) \$ Z: o
以上为常用的函数！
+ B' M8 S/ w- ?8 g4 e还有很多，如有需要我把资料发到你邮箱里 4 f5 h+ A4 p0 N/ S1 f9 J* }5 l
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