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发表于 2012-11-13 08:48:12
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1判断语句# v$ T9 I0 k+ o: ?7 I
if <condition> then2 }* ^1 Y& z% ]: [6 Q
<statement sequence1>;
; F; F5 i& K* S; [/ |- _ elseif <condition> then0 P8 ^3 e3 W% j0 L6 F& s3 V7 f
<statement sequence2>;
: F: H* e7 H) }8 w r else
6 ?, U; j, u2 z( F9 r* R6 t <statement sequence3>;$ J7 W$ `: ~7 M: } P1 z- K7 z5 c
end;
$ v# a9 O: D1 |% Z+ M5 c如果分支比较多，用：# n" o* J( m. F; h( r; r" U; V! [7 v% }
inspect <expression>6 ]' u' g/ z0 j- v. ]" d9 z
when <constant_list> then
5 p6 q8 I, j3 m5 h" N" Q0 ` <statement sequence1>;
, c% ~' S0 i0 ^ when <constant_list> then! g% S, O# a8 E. t# S6 R- ?
<statement sequence2>;
0 `6 A% c, u7 g8 w E ...
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<statement sequence3>;
, P# z Y5 I1 d9 a8 [end;
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2循环语句
& k1 k2 }- w( F3 V& n3 {; t (1) from <statement sequence1>" c$ p7 F7 n# f- e' Q8 T4 P
until <condition> loop
# s0 t) X! z' U <statement sequence2>;
$ c2 `, I2 O; b/ A. C* F end;9 ?/ b3 g; V/ c* {3 w7 a! f# O
(2) while <condition> loop
7 s$ E9 X. x) s5 T! \3 Z, [+ _ <statement sequence1>;
9 }: f# Y5 b3 J, i# g( m1 T end;
+ x" @! O: \0 q7 a: g' p (3) repeat
* |( X+ C Y2 s, B# I <statement sequence1>;/ p/ `2 }+ Y$ i+ s
until <condition>;, A$ R1 ^/ c0 m
(4) for <condition> to <condition> loop& A. `0 k8 K' J0 G+ b
<statement sequence1>;/ E& N: Q9 j) g# ^
next;, a3 i$ x* @5 j1 D" Z9 r
3中断语句
, }6 S6 G4 ]2 R- t waituntil <condition> prio <integer expression>;
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以上为常用的函数！ t8 G9 ]2 U+ p! H0 ? i8 q' M
还有很多，如有需要我把资料发到你邮箱里
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