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发表于 2012-11-13 08:48:12
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1判断语句
+ U2 [; L9 n' g7 j7 G7 C2 L1 G2 ~ if <condition> then
4 b7 x6 N( L: I <statement sequence1>;$ g0 k$ m) c4 N) L9 G6 w5 x+ |
elseif <condition> then
( c$ E5 [8 E% Q2 h8 c q' }' x$ ` <statement sequence2>;; [8 l' A* K t& F9 r
else
- u# V& _& J( s8 A4 j: [) N1 \/ p4 g <statement sequence3>;
8 F$ i$ X7 Y, m- R7 I, R3 R end;
8 W+ x$ r5 k) F如果分支比较多,用:
3 k7 M9 a5 W b w5 W4 S$ e inspect <expression>
5 d6 _1 I9 [0 g( |+ I" V when <constant_list> then
9 q: O( x5 J) G5 G$ R# f8 x <statement sequence1>;! _4 A! T4 ]: u
when <constant_list> then
. {3 w% Z- K; c: k" u0 M <statement sequence2>;
& T0 v( [" u5 E& Q ...
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<statement sequence3>;" S; t8 i f. n2 A n, \1 h$ H
end;
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3 L1 x# s9 }4 v2 ]( m8 V. l2循环语句 l" ~( T; f. _4 `- @
(1) from <statement sequence1>
. v& R+ l9 B9 B9 `( D until <condition> loop
5 a+ P2 S, `& e/ c <statement sequence2>;
# u/ z! l& b8 J. ~ end;+ Y, x' L0 h( f
(2) while <condition> loop
8 {, M5 b/ U" g# E+ o <statement sequence1>;7 R6 M. P% B& t+ y7 _$ { Z G4 D
end;
) b# N+ S0 ?0 Y, \ (3) repeat : l: j9 X2 L9 S: X+ y
<statement sequence1>;
7 V3 b0 c( E$ e9 ]( U) M until <condition>;
" i1 {# n) \% D (4) for <condition> to <condition> loop
4 F5 d* Y" l# x2 x3 o <statement sequence1>;
# [- B9 y. F9 d$ W; O5 s, @+ r next;! d( t# L. r7 O8 d$ S: w; ~
3中断语句
; C) K" p0 {% H% ]& k8 t, r waituntil <condition> prio <integer expression>;9 ^% q! P/ n9 o% y" e9 d* j/ z8 Y
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以上为常用的函数!" a- S$ q" S) I8 Y) }
还有很多,如有需要我把资料发到你邮箱里
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