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发表于 2012-11-13 08:48:12
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1判断语句
# h7 j8 Q9 n# w _/ H% r3 I if <condition> then
( K" @- \8 O3 M5 q9 S$ ? <statement sequence1>;( C4 e$ L6 ]7 W6 l
elseif <condition> then& t3 g$ Q9 U# _3 e
<statement sequence2>;
/ t' r# n" @5 J B5 p3 U% R6 f else - E$ O1 p- y2 R" y* ?* W/ t/ m
<statement sequence3>;& ~, \' |) E6 a: ? M3 o+ g
end;
. k4 Z' m% t9 `如果分支比较多,用:
9 Q/ p3 \" v+ o, p; N inspect <expression>
! M" z: b7 _3 J- F& z( s0 H; ? when <constant_list> then
1 ^1 k9 w7 o6 x: B" W <statement sequence1>;% v( {8 X+ T. j0 e, A
when <constant_list> then# U3 N5 G/ G" |: H! r
<statement sequence2>;
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else0 U2 @7 V- T# s* a. |& v0 u% x) S
<statement sequence3>;) J/ d" Z# v2 @3 V1 C+ d. _
end;
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( F: L3 M0 D, Z# U/ E- X4 O' V6 d0 ]7 K2循环语句' K' y( G' B9 E, r
(1) from <statement sequence1>7 i% n! L& U3 G1 J- G( I
until <condition> loop
2 y$ Q% K- [) Y8 Z: A <statement sequence2>;
4 u4 K) d0 h! e- \: W6 \) y# S end;. @ g6 _& t% [3 O4 S
(2) while <condition> loop0 S: ^+ U0 e# z
<statement sequence1>;
/ q& d8 |, [/ L end;
" {! H" `) Z- [4 O (3) repeat $ Y& U- {* ~+ y0 L
<statement sequence1>;( ?, S6 @4 W$ [ R
until <condition>;& U8 ?; z. K' q1 [& W1 _
(4) for <condition> to <condition> loop
( g5 a. L# a2 u* z; T# X1 I <statement sequence1>;
+ M2 N& i: N$ @) s7 X6 _, y next;
# s( K F2 ?' Y* s3中断语句
% m- d) T0 C P; d waituntil <condition> prio <integer expression>;( m- L8 L" a/ \, N+ r* Q9 J
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以上为常用的函数!" M" e3 ^- G# T% d- l
还有很多,如有需要我把资料发到你邮箱里
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