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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
4 b0 a7 M6 P" G0 P6 t if <condition> then" e# _$ K$ R8 a ~0 a
<statement sequence1>;% {% Q c- A9 W* l1 c
elseif <condition> then: g5 Q0 _! S; Q1 @4 ?4 }
<statement sequence2>;
$ H& ~# Z( n a, u8 d' m else
: N, V$ j; m) K, C% D <statement sequence3>;
, z1 n# j0 j9 N; E( R end;
/ G8 k+ R, `. w$ y/ O如果分支比较多，用：3 P7 J3 F# b. W, E& U7 I0 |
inspect <expression>
5 R0 C! s6 Q1 w V when <constant_list> then
+ C1 q; ^" T3 c+ @5 X4 I$ f. F% L <statement sequence1>;1 a6 R. u0 T3 ~7 C3 C- V
when <constant_list> then! M3 `- p' T* t! t7 n; \
<statement sequence2>;; E) m) z& F2 Y& J5 @' n
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else" V. l" ?7 a$ k8 O: D8 |% t+ \
<statement sequence3>;, }' {7 O2 Q( s ?3 t
end;) z% v* `4 O0 `- O4 i
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2循环语句
& i. Y+ t2 n9 x0 o5 b8 q) o0 ` (1) from <statement sequence1>0 @! x# |8 {6 T9 u- o: F
until <condition> loop
. n. q) _' s$ p! R. r <statement sequence2>;& R, \, i2 R: ?
end;. ^! i$ E/ \5 [' k% E; C
(2) while <condition> loop- z: H9 [" `$ x% ?
<statement sequence1>;
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(3) repeat
, a: Y' X# k2 q( U <statement sequence1>;
$ ?; w* `" N+ L w: |1 I until <condition>;+ G/ r! s0 S1 Q$ g
(4) for <condition> to <condition> loop1 z' T3 g1 ?: V1 `
<statement sequence1>;
) }$ L# `8 E3 R( q+ A, W next;7 Y- g$ S) }- ~
3中断语句4 R+ c+ }7 q) f% U3 H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: K3 I4 s' `7 e; x
还有很多，如有需要我把资料发到你邮箱里 . v0 y. q# L; H
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