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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
+ ~. `- D( f' i) [$ ~ if <condition> then8 h) m3 E7 ?, N
<statement sequence1>; j8 u, c; P8 D: E& H6 _4 F
elseif <condition> then: G, b: R; ?( k% v9 D$ q9 N
<statement sequence2>;; p5 J2 v$ X" ~' ]! F
else # r' p8 n. l4 p/ R
<statement sequence3>;; `/ t; D! L! ]; @
end;
0 o# u/ _2 Q2 p; |如果分支比较多,用:) X% X- R$ q- `% e( C( @
inspect <expression>& J4 V" D U# [3 k
when <constant_list> then' D" t) M" f2 l1 h! x
<statement sequence1>;! P* y; e+ h' e0 k# Q
when <constant_list> then
: _0 B& x8 I- P0 a% R <statement sequence2>;/ G/ W8 g! C) L1 V3 Q* |( H
...
6 }6 }# k' x, V$ A# x, V4 P else
( ?& t& n) L# v# o+ Y <statement sequence3>;/ O, R3 l* P. Q1 f5 c2 |
end;
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$ |+ E" E" e1 n [2循环语句
; ~: {# P% H6 `6 y- p" N% _ (1) from <statement sequence1>; o: r. `+ {: l7 ~2 ~+ w( O
until <condition> loop1 @7 K1 L9 r& M' l& w# R/ f
<statement sequence2>;9 w3 Q8 Q. ?6 z
end;& [9 Q+ Q( R8 V6 J2 A" _: S8 s! p7 r
(2) while <condition> loop
l" v; G8 u" N; I+ Z% h <statement sequence1>;9 Q( k5 \0 a' w5 U
end;
. D4 O2 L$ U6 V. X (3) repeat
3 e9 m$ Z( {1 V <statement sequence1>;7 Q y$ @5 m" o7 q" M" n$ w
until <condition>;
7 U9 i) n3 f1 q3 m: m- h* m9 { (4) for <condition> to <condition> loop: l3 E9 w* Q9 D4 _% G
<statement sequence1>;
* ^: S8 q4 j% l R. ?/ F next;
! N# V+ L& z5 w& g L3中断语句" n. X; G3 u# f( y
waituntil <condition> prio <integer expression>;1 i1 y2 U0 w6 b7 v( N3 y
# A( N+ V5 I2 @/ j7 b, \6 H9 A
7 j0 S3 O6 N6 W/ a) S( G以上为常用的函数!
w6 S" t) N; r还有很多,如有需要我把资料发到你邮箱里
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