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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
6 F8 e6 E4 y) f( \1 R3 D* S if <condition> then5 d6 Y* u: r" D3 T2 h7 U
<statement sequence1>;
" @) l- J# w! @: x3 d: Q elseif <condition> then
1 l R+ F) y% K7 N# ` <statement sequence2>;* f8 Z) i' B E( }* F" p
else 5 G4 K4 g ]+ o" Z
<statement sequence3>;! f# U, l. S9 I& v* U
end;
; V0 d+ L* @2 t如果分支比较多,用:
0 U) f. X; m5 Y( g4 r inspect <expression>6 m5 K2 D' n6 R/ s/ H. a4 ^& X" e& M
when <constant_list> then6 ~; W b$ I8 }
<statement sequence1>;
( k+ Q* E6 @1 a9 ^: C5 e: Z2 V0 a5 v when <constant_list> then/ ^. B7 a/ a C: `$ a5 H
<statement sequence2>;
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else" f% s- p- j' T) }1 y; C
<statement sequence3>;2 Y) H- _! Y7 L3 N+ _+ C4 x
end;
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2循环语句
% b: c" f1 P; f, j! s (1) from <statement sequence1>
$ m* q7 v" y% q3 X5 d7 W until <condition> loop
: a- W6 z5 P3 t9 c4 j <statement sequence2>;# s8 T8 e+ u) ?+ I; G# R3 @
end;
; j3 Z8 C( X! U: U) i+ @$ \ (2) while <condition> loop
. J. P) C+ U8 Y$ } <statement sequence1>;
: y& F5 `" f5 V" a. D2 @8 V end;: z3 j8 c: W7 Z( P' W1 n
(3) repeat
. q2 P/ X7 g, a. j <statement sequence1>;. \ p" i3 o. o$ X3 v8 h% m- z8 Q, h# W
until <condition>;( o+ p: S C9 B0 d8 L2 s6 x2 k
(4) for <condition> to <condition> loop% i! d0 A( j0 C; y2 g0 S
<statement sequence1>;
- Z% u. }# r9 K2 d5 r, @& V3 l next;
0 p+ f% [& Z2 |' c; x3中断语句9 W7 S2 D0 |! S/ t
waituntil <condition> prio <integer expression>;7 m/ Q4 [: \1 R% |6 q- V% j' d
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以上为常用的函数!& r! e1 T7 v0 C' m: y; N9 O8 N
还有很多,如有需要我把资料发到你邮箱里
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