|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
7 k0 [, `' D; I! x8 `$ a# u if <condition> then
0 T8 q+ q6 m) g; a& Z0 z <statement sequence1>;1 C! Y$ T9 q5 q) p; X$ M$ P* Z
elseif <condition> then! P. `( L, W8 o8 ^# `7 L
<statement sequence2>;
: }, [& x0 n9 \; c" `7 M' T else
: S3 s ^" Y8 X; R <statement sequence3>;
3 V" \' G$ {1 M0 c$ f; j5 B end;2 e# ]) y% `; i! G' d! ^+ Y% q
如果分支比较多，用：( T# G0 V$ z# b L. h( v" ^( _
inspect <expression>
2 ]1 E6 i( B0 r6 w when <constant_list> then
/ T# v$ D8 D) G; Z0 O [1 L+ U! d3 \ <statement sequence1>;: o3 I+ h" q8 c r
when <constant_list> then& `% w! ~4 u* a/ z& ^& _
<statement sequence2>;
+ p* u+ O9 j6 q0 J4 o. g ...
0 _3 f) k6 l! i& I) Q4 k% ] else
8 B7 i( y* W) ~0 c- C+ m <statement sequence3>;4 c' D2 a3 @5 A) h% S
end;3 ?6 s' ?* s& C/ p8 \4 l& B
2 P; G2 d. U( g2循环语句
* N) o2 P1 t3 X" I" y" Z" e7 n (1) from <statement sequence1>$ O5 q/ X; t3 K
until <condition> loop7 q+ E- a1 t) v( y
<statement sequence2>;
' j( }9 |2 s$ q/ ]' h end;
* _# P: ?3 d% T& B! x, \ (2) while <condition> loop
% G' B; J" M8 ~" Q6 Y) k <statement sequence1>;$ x7 Z1 }' W0 q. p5 X( v0 G0 \7 h- Q
end;
4 P% s! F+ R/ g" ?' R (3) repeat - {# Z7 ?' g" y0 t ?+ D
<statement sequence1>;! |5 ?: P( v8 `' q( C
until <condition>;
0 _, \6 [* V/ Z/ a7 z0 j( f% l (4) for <condition> to <condition> loop) T8 w' x# a, x" l- K" w2 t4 [; ^
<statement sequence1>;
: U/ H. \% v0 H& u( W" \& g5 ^. W next;1 v4 L5 h' ` c$ B: C
3中断语句
r o9 F6 F# ~) u$ G7 } waituntil <condition> prio <integer expression>;
/ ~+ G: ]1 N% k8 A+ ]0 y! u
; m! k. H2 i! i( b9 p3 X( z! E7 k% W* ~+ g( l3 U; X
以上为常用的函数！
% f3 g$ @- D9 d还有很多，如有需要我把资料发到你邮箱里
9 F5 n, L' t; j
W/ u6 n9 \/ o" L! m. r' T1 ?
+ B# M9 E9 [6 n" @
. H5 r ], f. _ G' b: k. b5 {
/ V5 p7 P4 e) o6 G% K0 O
' K9 d4 U+ K2 @& v1 D% C4 W2 n, }7 D
. u/ w e; X; k/ y0 P$ t3 d
$ T9 I" _7 t- R0 G% d2 G
& ^ z T* S% O9 u8 q
/ T$ x( X; d/ z3 u! ]$ V |
|
[复制链接]
