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发表于 2012-11-13 08:48:12
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1判断语句# X4 q* g% q* R
if <condition> then3 {6 w# {# _+ O1 a
<statement sequence1>;* q0 S4 `: {5 }7 d3 S& n
elseif <condition> then
H, y, r9 r9 Q! t <statement sequence2>;. ~7 g: J, X" g0 \" E9 I
else
. z% I4 B2 W$ a* q <statement sequence3>;4 q. W4 L" I2 \0 U# i
end;+ g- m; R! Y5 U' Q9 [3 g( @! a
如果分支比较多,用:
# V4 k B: B" L7 I+ n3 U" \ U inspect <expression>0 ]3 l2 |; F8 t% q0 {7 i3 U; o9 y
when <constant_list> then- p" K3 w; R( l2 J; D3 K4 t
<statement sequence1>;
: q* s# D! W t5 X. o when <constant_list> then1 \2 l; ^2 i1 y% ]) W
<statement sequence2>;4 U3 }8 N1 C; V \& u( K
...3 m) i& k- e8 W/ b. B) x
else# [$ u6 H6 X3 P& W0 L: J, w
<statement sequence3>;
- ]5 l3 V* N s1 F3 ^4 ?end;. r# E3 z5 M7 Q
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2循环语句) @5 }: c# u; P* A+ Y/ B7 F; U
(1) from <statement sequence1>
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* o0 [7 [; [0 P* P <statement sequence2>;" {& a7 z% o Y
end;
7 V6 J; z6 y4 t- \7 Y (2) while <condition> loop% W) q2 r! {" _ Q1 T' U
<statement sequence1>;" y) [ M3 J" W Z! O. G- [; ^
end;) Y N! a4 ^$ f4 K8 _* N
(3) repeat 3 w8 Q/ F( L0 m Y$ M0 S* C; I
<statement sequence1>;4 J$ H) Y. e9 Y
until <condition>;
1 P; a2 R/ U! F( t8 ^4 F (4) for <condition> to <condition> loop7 W" `& Y9 [' D% y, L c
<statement sequence1>;
/ \5 t5 ]2 B* R# U3 _7 U8 E next;
6 x# z3 L7 e6 {+ e0 f3中断语句
8 T k# |, W7 j1 z" ?" w6 M waituntil <condition> prio <integer expression>;. P: P; Z x9 k- }
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5 z% p4 D8 H5 |( S4 b% l以上为常用的函数!
9 ~; S5 P7 R2 {3 e还有很多,如有需要我把资料发到你邮箱里
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