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发表于 2012-11-13 08:48:12
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1判断语句
+ `( o- I- }3 ], E if <condition> then
6 ^1 A* N% S0 O, x- u1 u <statement sequence1>;
5 y( G1 j: E! {; s* T& M, r elseif <condition> then
( u$ D( E6 d" J' E1 T <statement sequence2>;
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<statement sequence3>;$ p( W4 r: _2 R. m
end;
+ C) B7 U y# P% a! |1 F如果分支比较多,用:' d! W# Y$ V2 h1 A. u: ?
inspect <expression>" K( A' b$ t6 F$ u/ ~
when <constant_list> then
8 L+ a1 ~. e3 b! I" C- I" }' H* \ <statement sequence1>;
' \$ ^7 g% h% V1 R. X8 P when <constant_list> then
4 d V" q1 u8 N1 J* Y' J <statement sequence2>;
! e4 K* o+ N, x1 a" a6 V0 X* E. A# j ...
z+ A* U! [# _! U# L7 Z else
2 s" e; b6 U1 r+ _+ f <statement sequence3>;6 W. z) k) w# n5 k2 |+ h' Y" P8 A3 P
end;
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0 u5 t4 ^/ L; k! H2 m5 K0 s( L X2循环语句, D W$ K/ n3 e9 ~% R2 c
(1) from <statement sequence1>5 ]) U2 B7 W; P0 u* `( A
until <condition> loop
9 S3 `5 C, D0 d1 W <statement sequence2>;
) Z0 s( L+ c0 g6 _: ^ end;; d T( O0 J# q
(2) while <condition> loop
. y4 v) e( E. Y0 u( X7 ]5 J8 @3 E6 Z <statement sequence1>;4 w: }+ _4 ^9 L0 G' f- }
end;8 e$ O) l( H7 N+ k- k6 y
(3) repeat + \5 u* B1 R4 X' E" R
<statement sequence1>;' F9 _* U& M+ J. H& K
until <condition>;" F( \/ L# c7 b9 B5 H
(4) for <condition> to <condition> loop
& O* j. U9 E! F q! t/ s4 V+ [7 t <statement sequence1>;
0 D) m! D+ x! v6 ~3 J next;5 H9 X/ G$ q3 N3 N3 ` g: w8 y
3中断语句% m! ~+ R& K3 ~4 S' S0 I# V, a
waituntil <condition> prio <integer expression>;- S- u4 R6 n8 o9 j: }4 d0 [
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. V& ^+ S4 }2 }+ o0 }* x) N
以上为常用的函数!
; g$ O9 j- N! z; J% B还有很多,如有需要我把资料发到你邮箱里 , l' \2 |% C1 r4 S1 \& D! T
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