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发表于 2012-11-13 08:48:12
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1判断语句
( U$ m; z+ s9 {1 f p! \ if <condition> then. f4 D% l+ @. G6 Y/ u: K: c% F+ O
<statement sequence1>;2 \% T4 G7 [" c* e! Y
elseif <condition> then A4 t# O6 S* a+ z0 B# r
<statement sequence2>;
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<statement sequence3>;% C8 P7 k: ~! i% E7 b4 H6 X8 F/ L3 o
end;2 R2 I, j/ g) Y2 f; j
如果分支比较多，用：5 r" U7 Q2 y. v, B6 i) |
inspect <expression>5 d* {- V# M5 d8 a
when <constant_list> then/ f$ ^' h; r9 Z
<statement sequence1>;( e* O6 h" M, }8 B( \* ]3 Y1 I6 v
when <constant_list> then
7 C+ `2 Q( k. z# e2 S/ Z9 i <statement sequence2>;
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else
% m9 u$ K! _* n4 H" f& _ <statement sequence3>;- k ^1 q+ e) U/ O4 [$ W/ T
end;
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(1) from <statement sequence1>
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<statement sequence2>;# h6 x2 }: f6 O6 z/ F @# l
end;
7 ~9 I1 {( X7 D' X7 e# f (2) while <condition> loop5 Y+ A. J0 I9 Z( f4 N( T; q! \
<statement sequence1>;1 o. g3 H1 P9 v/ e
end;
) m' ]- k4 N% o( O( V \ (3) repeat
, v S: B+ a7 \+ o6 w( [; y4 U <statement sequence1>;3 P9 k, c3 O; [/ j
until <condition>;/ w* P% L3 b8 \5 { G3 K
(4) for <condition> to <condition> loop
+ d, `: j# S: W7 {" l* F <statement sequence1>;
8 u+ A1 O+ V+ }: G) Z3 g8 s. l5 G next;
- r3 r2 x; H% X8 @7 O" ~( |3中断语句
; @; N! f" @6 X8 \; I, y waituntil <condition> prio <integer expression>;' {5 C1 r( I* U$ f ^
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! u4 j' J- u# T. f; q以上为常用的函数！
) O& E" @0 I$ [0 a, [8 t; ?' t还有很多，如有需要我把资料发到你邮箱里
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