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发表于 2012-11-13 08:48:12
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1判断语句
! O6 q) e# u; C if <condition> then
5 q) T T9 M9 i' y( a S <statement sequence1>;
0 _ C9 |* R7 }' u2 m) P elseif <condition> then. O, {2 Y6 R, a$ W# H. B3 _) K
<statement sequence2>;& R- t' @, U/ Y0 t! A! I3 p- P7 A& l
else
8 S7 ?9 L2 c+ [, E& f! K <statement sequence3>;
( J. \0 R/ M; C* l* u end;
9 _6 b G; F0 _1 v( V3 ~) V% t如果分支比较多,用:; e( H/ Z( u1 q. X$ ]
inspect <expression>0 I4 o. g; L" G6 O" @
when <constant_list> then
. L0 Z- h4 C. n9 K* c2 p <statement sequence1>;1 ]" j. h4 T3 K& n- Y
when <constant_list> then
3 Y& l7 G7 v5 s0 ?8 ^ <statement sequence2>;
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else
* c. f2 i, K6 [: C; Y <statement sequence3>;- X' D: _) ?1 |% F* H! M/ I* U
end;7 G; \# F* w( W5 Z7 q3 Z4 C( |6 c- W
! ]' c) f. y0 |2循环语句
+ I+ D2 c' q% }7 r* O0 k1 u# m, u (1) from <statement sequence1>( N: _% H; F$ C4 G3 E o
until <condition> loop! g9 {3 [* L+ g6 P: T. Q( A
<statement sequence2>;
2 ]# P( z& [( c% m! I end;
! N3 k D; D. y! {7 r3 g (2) while <condition> loop9 C& w5 c) A* B- m! w
<statement sequence1>;* S' ?$ ?' B6 K) \$ M
end;
1 L% ^, |% m D5 X& Y0 Q3 O, p (3) repeat
) C% a% W) D' ~3 t2 ]2 p <statement sequence1>;
) v- q$ A0 D# ~7 h until <condition>;5 e) E$ u* o3 N# Z; o) ]
(4) for <condition> to <condition> loop; `- S9 S3 l- X6 _
<statement sequence1>;
# q: R0 l% K* ~4 C& u next;* U% R4 R# x! c3 Q$ y& I% z+ p
3中断语句# [$ ?6 ?0 w, @; W, r3 D8 S
waituntil <condition> prio <integer expression>;$ i j1 T7 L) q
) g' M$ d' S) N" f# n0 A" y
6 I* V% ] M7 ~+ N以上为常用的函数!, S3 L9 x1 B: r# |; g6 g9 H
还有很多,如有需要我把资料发到你邮箱里
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