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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
! Q. v* w7 C# [- Y+ X: w7 O if <condition> then2 J# L- f3 ?# _( `0 r7 W% v
<statement sequence1>;, b/ i9 s6 \4 l+ w. Q
elseif <condition> then
& l6 r0 D4 l5 C- d- ^ <statement sequence2>;$ ]" N- Y: i# o/ w
else
: \; C# c" b- d) w <statement sequence3>;
) l! x/ j0 J2 r end;
% G6 \6 M- c4 e如果分支比较多，用：
7 Z$ j* v4 ]" r( D; K+ w" Q3 E( z inspect <expression>
8 G; W0 C) q0 V# B when <constant_list> then, M6 Z" u1 S- V' u% j! `
<statement sequence1>;0 _& h/ v5 f' _9 W" C4 l
when <constant_list> then2 `) Z( g$ M1 j" v, W
<statement sequence2>;
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else
4 s+ B$ K. q0 Z( K <statement sequence3>;
+ V2 E H' B, f( i6 Iend;
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) n- m& x( I0 B* t |9 v- f2循环语句$ l( V( w% D) u6 D$ T' v
(1) from <statement sequence1>
& S, s/ b$ K5 I! N' Q# U& W until <condition> loop
; b* i. A d: F <statement sequence2>;
1 C' @6 U# A' q end;6 R( d) _: v' O. Z, {9 a
(2) while <condition> loop& ]5 P* [ l- J: f. O
<statement sequence1>;4 I( M7 }1 A: U3 I6 `
end;) d: T$ t/ p; r6 Z% p& {1 g7 [
(3) repeat " }3 O, Q: }3 u
<statement sequence1>;
1 N: H; a; g& H4 U, L6 k; t until <condition>; C( ~$ w0 g, ]0 k# }
(4) for <condition> to <condition> loop! L w* E3 Q6 M
<statement sequence1>;+ e' b, T; K5 k0 W+ Y4 Z2 p2 E! u
next;( {( H, ~7 L" f
3中断语句
/ J0 N- j; v2 Q" [: z* t" I waituntil <condition> prio <integer expression>;3 H9 c8 Q, c+ G+ N
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l8 x8 r# l+ {, g$ d, Q4 x& n以上为常用的函数！
! V/ J" T" ~0 |还有很多，如有需要我把资料发到你邮箱里
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