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发表于 2012-11-13 08:48:12
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1判断语句
3 [) Y5 b! j. b( \; i if <condition> then3 D" S' E- o" d; s; f7 t
<statement sequence1>;2 D& }: z* L( ]' d
elseif <condition> then5 m3 o( c" q- f% {3 L$ ~" i
<statement sequence2>;
+ b) m/ f# [" q: S0 @1 P( C5 e else
! }3 L- U, p5 X& i0 t X* X <statement sequence3>;
9 `; V; |2 ]) P end;
! l8 B" G1 f/ P1 w5 B如果分支比较多，用：
r- E. v5 N0 E: t- I inspect <expression>
* @( c+ R0 l5 t1 l when <constant_list> then- m- i8 c" X& D" S( l8 g' G$ l
<statement sequence1>;7 C7 i5 |- g$ V0 ]5 g
when <constant_list> then
8 A' K2 p" Y& d" z9 a( c <statement sequence2>;5 I& f% q" x" M" R- ~
...
# Z. D- @% g0 L( `7 q5 Y& } else
: N2 j+ t) U3 ^( d <statement sequence3>;2 ~2 W1 e9 v, F0 N# q
end;
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2循环语句
) y! G6 v x% F6 k6 Q; V (1) from <statement sequence1> k2 K0 }" S" ]% }( _% Q7 s! F( M' f
until <condition> loop1 U0 O0 U4 ^6 \; c2 w! D
<statement sequence2>;8 E( a0 V. h9 Q
end;
* v' U4 u3 k5 v/ `. G. R (2) while <condition> loop
5 d8 m$ u; w: d* @: t <statement sequence1>;
7 W+ g/ c) Z$ ?8 u. ] end;
# R" R1 \ Y7 O3 {! {' c' d (3) repeat
2 q" N! q0 R- w1 K8 k/ D' I) ? <statement sequence1>;. z% |7 x0 u# \6 D; n. z/ d
until <condition>;% M# t: X; O& ?: r% U. \. L
(4) for <condition> to <condition> loop3 B3 }, e3 M% r, K$ X
<statement sequence1>;, @+ n" [8 j0 o8 D& d
next;
) D0 m4 i# I2 R7 s, }3中断语句
& h8 v0 l, R: X waituntil <condition> prio <integer expression>;
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1 ]. s4 J# g5 ]/ F
* k' P5 t9 y/ @9 S以上为常用的函数！
1 V. W1 ?. h& [0 B7 Q5 N还有很多，如有需要我把资料发到你邮箱里
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