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发表于 2012-11-13 08:48:12
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1判断语句
2 A5 H& ~& W, s if <condition> then
' J# B; r9 c! H$ [, | <statement sequence1>;
, F- ^. X+ i0 ]/ W; \& V elseif <condition> then
" ]& G/ L4 z! k <statement sequence2>;
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<statement sequence3>;
! M, ~( E/ b) p M& w! ~9 z D end;
" F/ \4 }3 o* b; w0 k如果分支比较多，用：& g% g" u3 n3 ~" j H
inspect <expression>
+ W9 m# s5 y2 u t6 Q; {' Z2 i when <constant_list> then- W0 _ k" V' e5 V
<statement sequence1>;, D+ @' g, m: N+ b/ g! N
when <constant_list> then
" v6 y9 Y$ {5 z9 ~! x1 \ <statement sequence2>;# r/ r. k9 A! e
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else
- F* L* P0 d# L2 ] <statement sequence3>;
h" e. B2 I+ X) {! r3 I [/ @end; ^- Q8 |" d3 \8 F# g
! K7 x3 C6 P# Z( c% k8 S2循环语句
. S0 q3 V/ F; @3 P; h$ r (1) from <statement sequence1>5 @4 K x6 ^6 G, B$ @7 n3 a) O9 t
until <condition> loop
@8 o. D8 L. T8 F$ T7 b, j+ q <statement sequence2>;5 F( o- |: H1 G w+ ^ g
end;) |4 L) o) e) q9 u
(2) while <condition> loop- h: r% j/ Q! |
<statement sequence1>;
' }8 }. H8 E2 e) Z end;
3 J7 e7 d5 x0 X4 @ (3) repeat
7 V" P5 k& k9 ?$ r) J <statement sequence1>;9 [( E- e# }8 S
until <condition>;
. K+ W+ y0 k2 j l5 L (4) for <condition> to <condition> loop. K7 K0 \# k" C7 X! F8 T
<statement sequence1>;
& o5 w/ a8 ?# ]4 V g' ^4 }0 U next;
' y3 f9 \3 ?( n0 h J3中断语句
& j0 @( j4 V& B. G waituntil <condition> prio <integer expression>;
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5 c8 J9 Y3 u1 e2 ~5 [
以上为常用的函数！
$ h% z: B4 q: l5 p7 d$ D5 [& p还有很多，如有需要我把资料发到你邮箱里
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