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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
0 ]4 @- _7 ]5 O" h5 q! K* e if <condition> then4 a# h/ j# S- y* d1 z' f
<statement sequence1>;, l- R, b& ]; F- {& c
elseif <condition> then
l' S/ P. i8 X R9 I( v <statement sequence2>;! u+ ~* T* v ]3 P2 J) w" J% G
else - B* r5 D" |- B J. n/ {& ?" o
<statement sequence3>;
+ H7 N% d9 B( z5 r- r; s0 u' T end;% {+ h4 L# U! h6 n" [
如果分支比较多，用：$ O: N2 [: E4 y: [
inspect <expression>9 }4 _0 ?5 e7 z r, j3 C: h
when <constant_list> then
1 H* \! O; {; ^# r7 j <statement sequence1>;) S) s- K* k9 [( Q* I
when <constant_list> then
" c2 |# z: m3 J9 N6 x <statement sequence2>;
3 O3 w+ w9 C& ^6 U ...
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<statement sequence3>;' m: ]' I1 L. C- M& ^! y
end;
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2循环语句
/ b0 `+ s" o. N/ z' S, i' u (1) from <statement sequence1>
& X a$ o0 q, V* x until <condition> loop
. I9 n1 T) k4 b7 q1 @$ U <statement sequence2>;
) X( _9 q5 Z6 \' P9 x5 E+ x. ~ end;
8 Y8 t" e( ]% y7 a( D4 k; J (2) while <condition> loop
9 ?* h g% d! o <statement sequence1>; ^+ A6 w0 Q4 `$ X
end;. ^( R; P! E. _: I+ A7 y8 Z6 J* r% a
(3) repeat 5 X1 p" \0 ~3 N: m& t- \
<statement sequence1>;6 {5 b/ [, }- K5 W1 F) r5 _. Y
until <condition>;& X H) w# n% }' @( L
(4) for <condition> to <condition> loop
: p2 b8 ^- u6 J <statement sequence1>;
8 W6 ?) {* E9 j) \1 W; ~' ?* @$ \ next;5 T( t1 o% D1 U' A! ]
3中断语句4 n/ v( l g. U7 \
waituntil <condition> prio <integer expression>;
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+ \; }8 g p" L以上为常用的函数！( p/ e' w; o4 E7 v
还有很多，如有需要我把资料发到你邮箱里
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