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发表于 2012-11-13 08:48:12
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1判断语句# V/ e( o3 Q0 F. g! Y
if <condition> then
9 }+ Y! }2 e& n& x* { <statement sequence1>;+ T; ]" ^4 R0 T
elseif <condition> then% {$ B; H. N6 X/ n
<statement sequence2>;
7 S. U- Q1 z* l& n: h$ ? else
) e5 R* F/ s; d2 z1 f. T <statement sequence3>;# @, y) y; I7 }' `$ A( k
end;
, C* l6 C/ {! u& r如果分支比较多，用：# }9 ^/ A, C; _, p2 t' D+ p
inspect <expression>
6 u+ r. s( A4 o" e: Y. K when <constant_list> then6 m7 d: N9 K; E' q" C8 I: T
<statement sequence1>;
7 E, G5 l/ t( y) H! J, W when <constant_list> then
" m& R( g0 e0 b' n {2 ] <statement sequence2>;# k0 \0 V. n* T
...
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<statement sequence3>;
2 @8 x' y* c* i) D2 i- e- S% cend;
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2循环语句( V$ D( P" T0 Q. T: R
(1) from <statement sequence1>6 q1 t( L1 l6 f9 t) ~
until <condition> loop4 K' N9 J2 Z1 G$ J
<statement sequence2>;
# M# \4 o+ v$ o7 G1 Z i2 S end;
% v, r( P* O5 M& {0 k$ `1 h( I (2) while <condition> loop5 X( z. U+ `7 t. C5 @
<statement sequence1>;
1 @* V* c1 n: O1 b, o end;
/ }% ?/ O% E. @! S$ x) u (3) repeat
2 V7 p/ {8 F+ m8 ^ <statement sequence1>;. ~+ I4 s+ N, t' Q/ s \+ y \
until <condition>;* x E5 E+ Z# o: w; f; n
(4) for <condition> to <condition> loop) X. l+ j; _. `
<statement sequence1>;1 x# E4 y; z6 F" I! A, k
next;
- f$ C' Y2 D" J$ x7 s( L9 D1 G3 t3中断语句
# d+ Y6 t: K' U, j& Y waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, J8 v* w0 T" H b8 l( |还有很多，如有需要我把资料发到你邮箱里
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