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发表于 2012-11-13 08:48:12
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1判断语句
8 N2 {( E5 {+ p- h if <condition> then
% q9 {3 T$ f* J6 H <statement sequence1>;9 b* |: h/ S& k' t% E9 D$ W
elseif <condition> then
9 |3 t: S% b+ A5 K6 c/ A) w5 t <statement sequence2>;/ l4 ^9 u. V) V* e! V
else
; s+ Q! \- g/ H <statement sequence3>;, Z6 |6 h4 h$ _6 v* Q! q
end;
; K$ u3 w) b# L0 F% {1 x如果分支比较多，用：/ z! s$ _3 {$ t+ v8 N& j) b6 v
inspect <expression>& @. w- e) U2 i3 @3 l! C3 p- I% p
when <constant_list> then
" L0 B1 H g; ? <statement sequence1>;+ G) G8 g& H6 M) Q/ ?
when <constant_list> then$ `6 {# [4 n& G% _8 j
<statement sequence2>;
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else
0 B* ]: q1 C) N# U! D <statement sequence3>; m( T$ Q# e# K, c7 c! A
end;
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8 `$ q1 b- g: E7 E9 G# N2循环语句
8 A! r8 W5 O1 J, J (1) from <statement sequence1>
8 V7 _" \4 Q o, I, O until <condition> loop
) Q2 C: v) `8 C o7 V$ s, p <statement sequence2>;/ y: w4 R1 X' [3 @. P4 |
end;
) R! c) u3 [0 I+ O1 ?3 Q (2) while <condition> loop; F/ @# T3 S3 k3 r+ s" H/ ^
<statement sequence1>;+ D2 M- y/ H/ q( k6 n; l- R
end;* e6 S. t# u8 v, x
(3) repeat : N/ i: c) n+ _2 I2 w4 U( s
<statement sequence1>;( p M/ \7 W0 n$ ~
until <condition>;% ^/ D" }: z( S) N/ w) j8 C
(4) for <condition> to <condition> loop! U# K5 Y& ?: U: h; I3 r- }" a) x
<statement sequence1>;6 G' S$ s2 e% w2 M( |; A
next;* \1 M X4 s/ r' U; ^- C
3中断语句
8 a7 C$ x) E- I% y waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 H+ e: {# B- U1 a. K/ X1 C还有很多，如有需要我把资料发到你邮箱里 5 @( `/ V- |) ^7 Z/ Y8 q4 F1 X
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