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发表于 2012-11-13 08:48:12
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1判断语句0 {& u8 s6 [1 r5 h" [, A$ t
if <condition> then
! H; q z5 M4 y. U* |5 m' r2 g <statement sequence1>;
" p& i$ ~8 B& b+ i4 X elseif <condition> then
) ]1 R% k) ~3 F/ ]7 d$ ` <statement sequence2>;
7 i9 j' n: L' p; y3 }; C else
7 r+ c( v4 J7 J" S <statement sequence3>;# ?" r) ~8 T# I* M3 H9 G
end;
% R/ w" }% c/ }. l; ?8 @如果分支比较多,用:
# I4 x6 u7 d8 o! n5 O( Z6 a inspect <expression>
6 @/ b- H* k' z8 M$ v3 U% y when <constant_list> then2 w# c6 g+ s0 |( _7 O; n, Q
<statement sequence1>;3 a7 K& y. L: A a2 f# a
when <constant_list> then, Z& J" y' V+ P* v7 r# w' L
<statement sequence2>;
% f$ r* p4 g, M ...
' E `/ Y( P$ r! `0 u: B else! a' r! W( v7 x' P! K6 m
<statement sequence3>;
( I ~5 L& e9 \9 P% ?2 o2 D% Rend;
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2循环语句+ Y7 D E ~2 r+ I, I
(1) from <statement sequence1>
/ F, d5 ?! p4 S& o, G" Z9 s l3 {' J5 A! t until <condition> loop
1 o' `2 R1 {0 n5 r, W( r <statement sequence2>;; n5 l9 S, ~% w. N. X9 I# h
end;
% M: ^: r2 D- r$ d/ S+ N2 T3 ^- |( w (2) while <condition> loop8 [2 r6 B' P" l
<statement sequence1>;
; x+ ]9 t" k5 w; `/ l: W7 a end;
t0 Q% R1 R: [ (3) repeat
7 i6 n4 |, O( \0 I' z) v <statement sequence1>;
, \ m1 F. D8 P8 E7 o/ a until <condition>;% D% h; P4 P! o5 r8 r: s) j' k5 C
(4) for <condition> to <condition> loop! P& P4 C, M, E
<statement sequence1>;
" S9 w; \4 k9 i! i1 C next;6 `. w3 |3 D7 o( c/ e
3中断语句0 V3 L7 Y) Y, K0 f1 ?! M# ^
waituntil <condition> prio <integer expression>;
5 {9 ]& y7 v2 ~: Y0 k& E2 H3 U& |3 o
( V" z9 r4 o( E以上为常用的函数!; ]! I3 Y- c7 a% N* D
还有很多,如有需要我把资料发到你邮箱里
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