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发表于 2012-11-13 08:48:12
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1判断语句
$ H8 ^/ r: v7 t/ R; n4 l if <condition> then; u( m! _, y. E* M+ K* d2 I0 p
<statement sequence1>;
. @/ n* M1 O; |" M' @ elseif <condition> then
. [( ]* I% W" u <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：' ~) X. @8 H; c3 [
inspect <expression>$ Y9 G1 _* k }0 Y6 F' \
when <constant_list> then
9 V; x1 p# A( ^9 x/ F' O <statement sequence1>;7 I' W7 l2 ~: v* T( c3 q' \
when <constant_list> then( B; f% r( I$ H) l: o
<statement sequence2>;5 d7 V5 J! P5 E4 l' @) ~3 |. m" }# y
...
. R9 d. x) b/ w) E; w* V$ I5 X else
u1 M+ o g0 H+ R7 R <statement sequence3>;
% g/ r8 e6 C. s6 Dend;
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J. ~1 i3 w$ W0 C6 M/ q' h8 A8 l2循环语句% G, {" U. v9 s
(1) from <statement sequence1>$ z( L7 W5 O. F$ G+ t
until <condition> loop
7 F, X9 W0 Q/ i0 D0 x <statement sequence2>;" E/ q4 E& T. |& @
end;
7 s% O9 A8 M0 N" {# y4 r; p (2) while <condition> loop
8 A# T2 S( K( @; J/ I: p6 @ <statement sequence1>;
7 W( I# @# ?% @# p+ E end;
" g% {, _3 x" H# U' D t" ?! a (3) repeat 7 a9 y2 w6 K3 U
<statement sequence1>;4 \/ m2 R$ F. W p& J, f
until <condition>;! b2 a, x6 j; L. A* r; t3 i! J% N+ ~
(4) for <condition> to <condition> loop# d x6 s7 v6 j$ g* |
<statement sequence1>;5 E. j" M) z) e; B% Z: A b3 D
next;2 L* E3 ]% P" L! C8 Q f3 Y
3中断语句) j- g6 d) p/ `
waituntil <condition> prio <integer expression>;
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1 V0 ?) w) v: F1 J以上为常用的函数！
6 C3 q' D1 u& A, I; N/ h$ e/ n还有很多，如有需要我把资料发到你邮箱里
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