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发表于 2012-11-13 08:48:12
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1判断语句$ U5 {. ]) ?4 Z# a# q& Z2 `
if <condition> then* X; P* a a# {" v
<statement sequence1>;
/ p r8 S" s! h0 V r# r2 v; m, s elseif <condition> then
^5 L, t! _2 E/ l <statement sequence2>;% L* u d, j6 F' c- R. @6 ~- F
else
* s9 Q# V' E9 e+ T/ v <statement sequence3>;
, t1 U: t3 `2 q7 J end;
% t6 k( B+ ]5 T% }& n5 P如果分支比较多,用: |9 |8 U; n( r4 ~- }& h' b, f& u
inspect <expression>
) D$ w7 T ^' o" H K9 y when <constant_list> then
9 W/ [% ^" {) N7 w. K <statement sequence1>;
y& p/ c, W4 M$ D when <constant_list> then M4 @, G6 n, d _5 q' N- V
<statement sequence2>;$ J% _ u/ C( {' B
...
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<statement sequence3>;7 v) W, g% k5 f L7 _- D/ |
end;. K( B! v$ o' a0 U; f- z
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2循环语句
7 W) ^ ?' i6 y k (1) from <statement sequence1>
; q- H' Q: l% V; `2 }( I until <condition> loop
/ [! \( H g) p5 E8 b. \ <statement sequence2>;. I% W: o7 A7 T2 O3 \% R
end;5 i' m5 t5 {7 v- m: ^: N
(2) while <condition> loop
7 K. b5 | n- R3 Z8 x <statement sequence1>;5 ]4 Z6 \* ~. Z2 C% P( Q
end;% Y! N; `+ a* d/ y7 x! S' @, p) ]8 Z! c
(3) repeat 8 j2 u- m3 | U! n; o+ D6 t
<statement sequence1>;# ^$ C) G; {/ \4 e9 l
until <condition>;
- J) U& m! H. f" p" X4 K( ` (4) for <condition> to <condition> loop" O- i9 |/ H# Q* i' E
<statement sequence1>;, w; S' K; b0 B! D+ J' Q0 a N& o
next;3 e, ], ]' S: g4 i
3中断语句7 w% g- f7 W, {( `* M
waituntil <condition> prio <integer expression>;
8 I4 q( B9 `( D) |8 I$ q {: x+ ^5 D( V' ?
2 T' O) v7 O) x# x( r9 o C以上为常用的函数!5 X+ J/ V* Z! ?0 \
还有很多,如有需要我把资料发到你邮箱里
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