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发表于 2012-11-13 08:48:12
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1判断语句
: n* M0 u: |& X! {5 Q9 m% G0 | if <condition> then
F; ~9 c% I* n- m' K, r <statement sequence1>;
- l' p% R6 _3 y; k4 A. T elseif <condition> then
6 x* F0 l- X1 C' s6 d <statement sequence2>;# y5 i5 n8 `4 t3 U" ]* ~4 O7 B
else
* H1 R8 V3 O/ i' G, {. L <statement sequence3>;) |& E( Q4 C7 z
end;
# }5 c7 s# P/ V. N# T0 ~/ o; d6 T如果分支比较多，用：7 Y2 K/ K; s+ ~* Y- ~( O) X2 u, D
inspect <expression>
$ n" j. ~" h7 V7 o when <constant_list> then
, k$ Y9 y* Y' P. K6 b; C2 F; Z <statement sequence1>;
3 n& O! w- @6 N- I& R! i& U" y) | when <constant_list> then) r( P) B7 G m9 ?0 s( E
<statement sequence2>;/ `! i0 H# y# v! T. W7 o( N
...2 Q9 y0 X; L( Y4 z7 o. i1 q
else0 `7 q# t/ n$ ]3 ^5 i: [
<statement sequence3>;
7 o# A" ]3 U$ |; H* C% I2 ]end;; l$ j4 x9 G+ K3 Y: l5 M D, Z
, g# n0 _2 n% U( b3 ?2循环语句- P: Y& v9 j$ D
(1) from <statement sequence1>
/ x O- j' x- | l8 k0 i+ V6 W$ d until <condition> loop3 V- x& n- `5 `. v/ k0 Y" |4 h
<statement sequence2>;) p) b* X$ o( F. y0 w" n
end;+ O$ _ D. K8 T6 f( E4 B2 V
(2) while <condition> loop
. ^/ V/ }- i8 l4 ? <statement sequence1>;
, Y2 k3 M i* G9 ?4 Q' S1 U- z" Q end;0 }2 S8 Q- q( C: G" `
(3) repeat
- E+ G( [- n) @7 U <statement sequence1>; T* d, z, `% m$ z1 |) r4 D
until <condition>;
! S% ]" V2 l6 @$ B$ {' ~ (4) for <condition> to <condition> loop
3 g' V) r+ ] M3 F$ ~ <statement sequence1>;
* B% s$ y' [( X4 C9 B" ^; ? next;$ ]5 P& C {" y$ U7 M# R* D* i
3中断语句2 F4 W d" n5 |8 w0 [
waituntil <condition> prio <integer expression>;& B% \1 p# L- w7 A
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以上为常用的函数！* y5 ` Q/ @" @5 B" g6 w C& @
还有很多，如有需要我把资料发到你邮箱里
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