|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
6 m/ V& ^2 s8 C$ ?+ `- T if <condition> then
5 S7 Y `8 u9 R; }& X% B0 ^2 ?6 c <statement sequence1>;
$ X. I! @9 M+ |& J+ O elseif <condition> then
; m/ Q) ]- ~9 B, l$ X% b9 { <statement sequence2>;# [' a$ [' j: @, e- ?% Y
else 2 M: R2 a2 j4 A) M: O1 z
<statement sequence3>;9 P# y# M1 S$ A1 Y7 ^
end;' g2 G! e! g" H* ]1 L. ?6 ]; r
如果分支比较多，用：
7 }& H! ~+ f9 F; m4 R inspect <expression>
( ?6 y9 h0 q# R( n' _2 y/ F when <constant_list> then
( o" a) a4 z. y; o( r) Y <statement sequence1>;
( O* Y7 c% a- m" K. Y' ] when <constant_list> then3 ^. |4 g5 A, K, Y
<statement sequence2>;) [# |$ K6 i: U* _: [$ e
...8 o0 B6 I* @+ p$ N
else& y1 ?! p3 M- q# e
<statement sequence3>;
* i. Q' d- r( tend;
) s: O* n- B9 B8 J% e; D: `% h/ \9 `0 o% C
2循环语句
* @& C3 g0 [2 C! G9 K/ B, R* m1 `9 [ (1) from <statement sequence1>. \) T& g0 x N3 D' Y
until <condition> loop' I+ S5 @7 i5 N
<statement sequence2>;$ A' g0 r& U' W! {0 u' w
end;
! [, p& V/ d! {' e0 W( Z+ n6 N& H (2) while <condition> loop
_0 q; z @6 C' f: H7 O <statement sequence1>;2 |3 q7 F a/ k& V9 F
end;4 H9 s4 {( c* v* M
(3) repeat 2 m! C) n( X3 o: F" Z1 w
<statement sequence1>;
, ^+ `. a1 Y! {6 z" Z5 y until <condition>;" F9 p# F2 ^5 B' l9 `5 V' Z8 v
(4) for <condition> to <condition> loop
) Q; |) _4 r$ q. }( I- o <statement sequence1>;
0 U& Z/ q( ?$ x9 I, z next;
+ W d: u2 }5 ~2 w( {3中断语句
|, _' W8 d A1 Z. v; }5 o4 T2 O waituntil <condition> prio <integer expression>;
1 ?' I9 i6 T) K, Z: q& a. t. c- s8 b& e: u8 B. L0 e) I1 |
L2 x) r' @4 @, c; S7 Q: q- Y
以上为常用的函数！
7 w. }. z, \0 N' M还有很多，如有需要我把资料发到你邮箱里
0 p9 a5 @% z" C9 }" P' Q. z
W# ~" L( u! L, t5 {4 I1 c+ _2 D4 j
% D+ G) |: N. f' K" [0 A
; `" k3 ~' L6 ~+ X6 b7 u
5 z0 Y5 u& H: \9 y7 ~/ K
# z8 ?/ h3 p, Z% b+ |* v' l0 j
& I9 y1 e4 V- `( y, u2 q5 }" T; _; m. R& j+ W# x9 c
1 F3 |, l9 v' b
2 c! b4 z& z3 N6 f |
|
[复制链接]
