|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
0 `, k0 ?1 G, V: a3 l if <condition> then* T# f$ @% M) @6 E3 n
<statement sequence1>;" L/ s: s; {6 f8 Q1 j* f& T, |. T
elseif <condition> then
- u2 ]5 z# M, {: M# \0 G3 [ <statement sequence2>;
" _- [6 d$ Q; |0 H else ' p0 C/ y. ^6 ^7 Z2 S. u7 P; i
<statement sequence3>;/ y+ m9 n# h! b: q Z) C5 p5 [
end;5 N$ O. R/ s& ?9 V% O
如果分支比较多，用：- x8 B1 h) r$ v
inspect <expression>/ |( e6 y' i9 T; l
when <constant_list> then
3 |7 i! `2 ^7 T <statement sequence1>;- x. u6 Z) Z, v* }
when <constant_list> then4 z# D1 e/ E) g( n: v0 R8 j
<statement sequence2>;6 L; H2 P _, t# p9 {8 T$ v" }" R6 q
...9 {& x9 T. s* u+ ~( {
else" o" ^6 T* r( R' o3 w% D5 R3 f
<statement sequence3>;: T ]4 B# b$ l; B; N) Q2 l, t
end;& f) E" B( i. T
- T1 F; u7 O i* J: k- {7 I
2循环语句
9 D# {1 |8 D3 N$ V0 [ (1) from <statement sequence1>
0 x6 i6 ~8 g/ w4 l until <condition> loop/ V" A9 @# m, Y4 x2 N
<statement sequence2>;: b/ Z' W7 H% `2 f, g
end;, w/ j% l; [0 a1 \
(2) while <condition> loop! A$ S3 g" w' ]8 ~. N
<statement sequence1>;4 W- r9 @5 @& z
end;2 }+ y! W( Q# J9 s% x, i- O* S2 j4 u5 T
(3) repeat ' M6 ?( n& U# U- R/ |* s
<statement sequence1>;
9 j% M4 c! I' O! C; b until <condition>;2 b: g1 A8 z3 R! i+ d; C
(4) for <condition> to <condition> loop; U: `" U1 ^) M2 n7 m! o
<statement sequence1>;) _) `8 E- a! E% j2 P% G
next;9 Y" C0 R; o+ C1 n0 u: G) k8 I9 d
3中断语句
8 R" r( |& _5 ~" o; W& E7 D/ X waituntil <condition> prio <integer expression>;
7 @; U/ s& S5 M: q( a
! W u( h5 X$ [7 r8 {. E! B0 z& C3 L/ w" l( L9 j7 b
以上为常用的函数！
7 S$ }9 q: A" E6 T' z$ H" b还有很多，如有需要我把资料发到你邮箱里
" N2 m5 U- K T: a* p; K4 l' T. ^, h4 ?1 O
: t' ~- i: @2 n& _+ ~4 A
$ l% R: P3 f* v8 ~! D
. }6 s, {" S" G2 r! {3 f
1 X/ S* S8 w; c0 N C
0 O Q' C) P/ K( I0 L# J/ c4 x; e' ^2 j* y6 \
& K- B5 @3 N/ @- v& E
4 Y" {* t3 j$ N0 A! m( L5 Y
$ j. p7 J- p+ p# ` |
|
[复制链接]
