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发表于 2012-11-13 08:48:12
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1判断语句9 M' W; e2 g7 A+ c4 o8 G
if <condition> then
0 M% V5 d+ ]% i% P/ G <statement sequence1>;, B' R* a Q8 ?* p$ N
elseif <condition> then7 Y3 U* |9 ^2 d" T
<statement sequence2>;
) t; G7 G" q$ }4 E+ Y: x else
/ Y+ \# X/ G7 c0 F x <statement sequence3>;
9 {9 u: t" @- m9 r/ r0 B7 r4 F end;
% c3 m# \( G% o" E8 a如果分支比较多,用:
& }$ Y, x& ]. g- R3 \! j inspect <expression>, o( n0 \2 S6 E' d. G0 v
when <constant_list> then2 Z( e& X- g# f/ F5 F
<statement sequence1>;
& X/ [1 M, S5 S1 t when <constant_list> then
: p+ r- j3 Q, G# u6 ^+ M <statement sequence2>;
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else8 d6 ~. ~+ G) ]! ?2 @+ I
<statement sequence3>;
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2循环语句
4 E% F& M5 n4 Z! j; o (1) from <statement sequence1>
" w# w/ i/ j l4 T8 T p0 r until <condition> loop# V! d- b$ ~' d
<statement sequence2>;8 B: Z0 @: o/ [) L5 s
end;
9 ?& _3 q, M2 `- A( T (2) while <condition> loop) K6 x+ a" d; o* z5 Q
<statement sequence1>; }, A" E9 C4 D# @
end;
7 v; X4 k5 f; E) @2 w (3) repeat
5 B3 Z" y* h: Y% @8 o0 E <statement sequence1>;4 _8 V/ Q0 {: l" R' N8 F
until <condition>;
: W. L6 O/ B9 J- m& k8 P (4) for <condition> to <condition> loop
7 B% \+ W4 s# L$ q ^ <statement sequence1>;, m k2 K L# N
next;
' c" W/ W$ B9 d' H4 @3中断语句
+ U; a% x. y, J1 q/ _1 A/ P waituntil <condition> prio <integer expression>;
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/ R& e% Z1 C+ ?4 } O0 X+ C) K以上为常用的函数!$ {* B# t1 q/ `7 @4 E
还有很多,如有需要我把资料发到你邮箱里
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