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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;
$ p% J! F1 Z8 I5 g( ~) M elseif <condition> then" G8 d2 V! b6 ], y' g1 Q
<statement sequence2>;
# t- d1 C7 e2 Z0 M% H" O+ V else
3 ?! W2 F. f8 t( |9 k <statement sequence3>;
, w& i) q/ F! ]. ? end;8 V+ W" P( m# c: v% l7 J* i
如果分支比较多，用：! [& `. J4 J+ ]4 v$ M
inspect <expression>
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+ i; o, g3 V+ H <statement sequence1>;
[) _4 \2 f' U) u! } when <constant_list> then, V4 \4 G* h: M# N& O1 o w4 y0 i
<statement sequence2>;
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else
. `; e; c) C: M4 [; [ <statement sequence3>;9 A% O* o, \7 e8 k7 K# I0 f: s ]% d
end;
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& j- i- `$ `- f- ^; j0 u2循环语句. Z3 W. @' ]# O3 n
(1) from <statement sequence1>
- M, C( o" t6 x4 L) R until <condition> loop
" }+ g L; I8 S+ E/ X" ~. q# D <statement sequence2>;& l" @! ]' d7 Q9 p- _' J3 f, C
end;
8 ]3 r' _2 k* O- m/ q (2) while <condition> loop% i3 ~, f% q& v m; r p
<statement sequence1>;; _0 \, p b# F6 n7 w0 L _$ u# o
end;1 N/ Q, d/ n6 |' G7 ~- ~4 M
(3) repeat
a3 J, A; E n; R <statement sequence1>;
9 _! a+ F6 U3 @1 @1 s* g+ D until <condition>;. }6 g6 h, }6 _6 c2 i5 y; Q
(4) for <condition> to <condition> loop
J" ]( J0 q. ? <statement sequence1>; T' O: I+ m. u6 q9 {7 \
next;/ n9 h) [4 l8 \
3中断语句
6 V% N* F) N& J0 h& w: } waituntil <condition> prio <integer expression>;! H" D/ n7 _1 l
& x( H' y/ j' t+ `% O! R# R) R5 i$ l
4 @2 x9 [7 V- K4 p f# o0 ~以上为常用的函数！
2 e/ D, G1 U- E还有很多，如有需要我把资料发到你邮箱里
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