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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句, ~5 A: B4 z& U, J& r5 B2 ?9 Q
if <condition> then
8 H( o- q- N( Q. y* m% R- P- H <statement sequence1>;# T+ ^$ ~/ y5 ?( ?
elseif <condition> then
$ p2 P e/ F/ ]) I <statement sequence2>;5 k z0 G) v$ J6 n
else
5 L# c0 Y$ T! D" r <statement sequence3>;& `, e- k6 w3 ^4 R- h
end;
. H& J. c! ^ S! q0 a如果分支比较多,用:: S6 x5 O9 k2 D: B* U
inspect <expression>: I7 G0 |% p0 I7 g
when <constant_list> then
( X4 U" d1 ^( P7 w <statement sequence1>;
4 S1 @* a# C/ M5 y; f3 G when <constant_list> then
: Y4 `$ `( d% s E9 H <statement sequence2>;
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else
: l: Q8 i: ^4 ^6 r- R1 E <statement sequence3>;' k) y% i4 Q, s' o E
end;! ^$ A4 K- g, k, L
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2循环语句/ c# g \& }1 G. N, O& b% b5 W) a
(1) from <statement sequence1>
- U( p! m$ I" p) D4 a" m until <condition> loop
; b- r/ d7 g7 H( X2 z; U h <statement sequence2>;- F4 v5 s7 t: r6 `/ r) @2 F8 P
end;
) x, c$ Q& \- X7 J" _' q; S (2) while <condition> loop+ J3 Q- B* k* Y, {
<statement sequence1>;
! H4 a: p. y. s- f+ J* j+ w end;, s) `4 R" `7 h0 @9 T) w
(3) repeat
9 R6 l/ F: [, @' k: K9 T6 I <statement sequence1>;
2 Y3 M( P. Q8 K. x+ g, \ until <condition>;8 g6 \. g6 Q+ p0 L- c* W
(4) for <condition> to <condition> loop6 u8 F+ g x! x# K
<statement sequence1>;
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3中断语句+ `# P; {. k$ }: f
waituntil <condition> prio <integer expression>;# B0 F: i, u( [8 S
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6 Q: c @) c) p& W以上为常用的函数!
8 @" ~# f+ `/ P- |( E5 N还有很多,如有需要我把资料发到你邮箱里
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