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发表于 2012-11-13 08:48:12
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1判断语句
4 \; r I* z" w \0 ?4 `9 n if <condition> then S# b0 L' ?& N* t9 }
<statement sequence1>;
5 G& q! A2 H, l/ ?. A( C elseif <condition> then
: V/ E/ B. o& A, r! B ]: _# U. u" f <statement sequence2>;# ?. d# h* b* G- Y, I
else ! J5 j1 |( \9 B* E- o* r
<statement sequence3>;
8 k c% z) Q, d2 c8 o; p end;. g% U, ~; s5 w+ [
如果分支比较多,用:1 Z/ g. y/ R! i+ g n
inspect <expression>
/ U& z" ?$ _1 r7 f( \0 V& M when <constant_list> then
' a+ ~9 W( s+ E, Q8 W# ~. u <statement sequence1>;
* V, w" }: I. F* M3 }2 i when <constant_list> then
( R1 E, K! y$ N# N, W <statement sequence2>;4 y1 G5 b4 N' h* l d
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else. t) F0 d W. Z/ b
<statement sequence3>;
2 G" x* R/ m7 N. Q o+ o) pend;
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$ U4 S+ @* B$ U2 c4 [2 u& D2循环语句6 R: ^, H8 W* P
(1) from <statement sequence1>7 N+ h# o; W4 W C d! v# y% ?3 p1 `, w
until <condition> loop
: x+ S j/ ~9 c <statement sequence2>;
0 l* i6 T) D: h/ v) g* j end;
3 D( `' a J9 S% Q v (2) while <condition> loop- G, l7 r6 k3 H4 i- {/ A `) \. s, q! O
<statement sequence1>;
! j( T K% Z: `# Y# H* ]% X end;
/ H5 {! H$ }, F' R) B- N (3) repeat ) d w2 i! p- q! A7 k4 w( m
<statement sequence1>;
4 N$ A9 a8 }8 A7 M2 @ until <condition>;, G4 ~+ k4 ^) F
(4) for <condition> to <condition> loop2 x* R) I2 V/ H' r7 H' `+ Z
<statement sequence1>;
/ y" a2 d- `0 {; Y) E; v+ q! p) o( k next;! R$ i7 @* B0 y l; l/ a" G! @
3中断语句4 s5 G0 a; C; f4 [- k/ c9 q
waituntil <condition> prio <integer expression>;
3 ^0 {( n5 D _% B9 w5 C, ?$ v. y* \- x
0 b; g" h! K. c( c) _+ w
以上为常用的函数!9 w9 g2 ]$ |8 F
还有很多,如有需要我把资料发到你邮箱里
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a0 ~& T9 v# v. p# s. ?* }
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