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发表于 2012-11-13 08:48:12
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1判断语句
6 F2 R, H" M* J% T4 | if <condition> then! n2 ~: N+ C$ Y O& S( P
<statement sequence1>;1 o; q- f7 r9 t! @* f
elseif <condition> then2 F- v. e' Q6 }! ^3 w: @1 u
<statement sequence2>;
% e2 \: Z0 F9 }: b else % a. o7 I& c8 a7 u( Q" J1 Y" [6 B
<statement sequence3>;
( x/ C( B/ \; J. T end;1 P( G0 w9 g& z$ B9 }
如果分支比较多，用：0 j _$ m4 X& x; b% u, f
inspect <expression>% E$ k# U0 c* V! {7 x* U9 ]
when <constant_list> then, E$ N' O8 O9 h9 L. B; G+ I
<statement sequence1>;
8 [. h0 g8 K$ o) y3 l w1 I5 ~ when <constant_list> then: I$ ^2 V( d4 A" a
<statement sequence2>;
& {, m& }" y0 ?# q* F7 c, d! B; f ...
6 A) J9 _* R5 U; e6 O else
# F4 Q* D6 c$ W( f) T' l <statement sequence3>;: B ^2 X$ m5 Y* b1 j2 Y: r% }
end;
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) H( z( f) G( Z% k; g8 u- w2循环语句
3 Y: s+ v. X& q" h+ x$ [ (1) from <statement sequence1>, e4 W# K7 E2 a; O1 ]2 I: E
until <condition> loop6 a( G2 r+ [7 v
<statement sequence2>;. V) D c! `$ Q
end;: g; V* p. R0 i! L5 l4 C) k, n, q
(2) while <condition> loop' [7 O3 o& E1 z
<statement sequence1>;
% k" p/ I! Z9 y, T9 R& j end;
* v& S1 F( q6 m1 J5 @% }0 i (3) repeat
8 L h- I" [4 h0 ] <statement sequence1>;
! s1 R/ J2 s1 E% s until <condition>;; ]/ b9 y, } X+ t
(4) for <condition> to <condition> loop
. `, X6 ]9 e9 b' i <statement sequence1>;
$ H) \3 m$ N F2 r1 c next;8 o) i+ I: f5 a$ d& W( k( l! Y
3中断语句7 s+ [. Y- M) k, _9 G! r6 |
waituntil <condition> prio <integer expression>;
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' R0 X/ f0 J4 y5 Y" {- q# O以上为常用的函数！
/ b3 j# z* {0 J' ?还有很多，如有需要我把资料发到你邮箱里 3 ?2 o: n, ^7 C6 D6 X" w1 {
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