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发表于 2012-11-13 08:48:12
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1判断语句- d6 _" x4 E& d
if <condition> then
3 c0 R, b: _2 W2 }8 U" _; E: J <statement sequence1>;1 O6 r# A! P2 u# g, t+ N" |; N
elseif <condition> then& u7 H6 ?6 t0 ?; }
<statement sequence2>;9 N; @8 v6 ~. L' Q( n3 }. U
else # _4 K, ] D6 O7 @; d* O# ^
<statement sequence3>;9 H) `3 ^$ a4 k( o7 @
end;+ d( W, K0 M; @" F- y2 J1 l+ H% D1 V( B
如果分支比较多，用：
1 x7 m# ]; L' y4 l inspect <expression>
8 T) k5 q5 _! W, q/ G when <constant_list> then* i( r Q. S' E) z; R
<statement sequence1>;4 F3 S* v- f3 \+ t* g5 l
when <constant_list> then
9 P+ N! ]6 Q7 e B t0 B( B* ~5 D <statement sequence2>;
# H9 |/ u9 _# `- q/ B; F- b ..." r5 {2 ~7 P4 o3 K! F
else
+ E0 S" O3 A! p0 T% E" b <statement sequence3>;
# I. X) l0 j: V/ f3 \1 Y! y5 Dend;
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8 `7 d9 E3 n, X; \- n9 s8 L2循环语句# p6 I: O" n' X: x2 t
(1) from <statement sequence1>+ A$ u# T, K) y" I/ e& F) c9 }8 {
until <condition> loop" Y0 `% ~" p9 a! ?- X9 F
<statement sequence2>;
. ` d6 Y8 x( g) q2 g end;
& F. U# l) w( D0 z# v+ v (2) while <condition> loop" T+ S |$ P t2 ~) s- v( C+ h1 _
<statement sequence1>;
5 Y4 v( `1 U; _1 T7 B end;
( j/ H3 f& I) c (3) repeat
. z" m# d; c+ p& y <statement sequence1>;8 |2 f* p2 _$ s, O, t& B
until <condition>;
9 T. J& R+ g! l. o/ H% V4 e (4) for <condition> to <condition> loop
, |" f7 z3 R4 }/ U, I2 n, L7 t& h <statement sequence1>;
/ m4 f$ F' }9 ^/ Y6 T next;$ ]) ~) C8 p' e! ? ^1 _( K
3中断语句
$ d4 i+ T) v" ]5 ~ _/ M* Y waituntil <condition> prio <integer expression>;, p2 D" O( S8 R9 }4 v
$ [4 l! \" @6 z
" T! a7 I8 g2 ^9 J8 ]. b以上为常用的函数！) m5 y( F6 a" @+ {' _
还有很多，如有需要我把资料发到你邮箱里
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