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发表于 2012-11-13 08:48:12
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1判断语句
- Y' J2 c: U" j if <condition> then
. v& ? e- P. a" h8 \, p <statement sequence1>;! D2 Y0 V, r! W' \
elseif <condition> then( O y* o ?# [; o8 h9 T
<statement sequence2>;( `9 @$ P5 K5 V; I9 Z
else
$ W7 v# \* m% Y6 ` <statement sequence3>;
% d1 I8 s: [5 W+ Q0 I/ m( ? end;& C6 ^2 v# ]0 W8 f( I
如果分支比较多，用：2 f. V! i9 f# K* I+ u2 k
inspect <expression>
" K' ^# ]3 ~! }3 ^ P( y C when <constant_list> then, M- u6 {4 `! X' T
<statement sequence1>;% x% @8 u( `% e! ]% M
when <constant_list> then/ O2 j% y. ?& n; n1 ~0 B% h* H4 F. J/ }/ d
<statement sequence2>;, p; o, L' ]# E% \
...5 y. d s3 i* [& c6 _
else6 z* a; p2 n2 ]3 j- l
<statement sequence3>;
; S5 K) P7 R0 t' ?) Gend;
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5 q, G( m) d% _2循环语句
9 R4 S! [4 J' d# W (1) from <statement sequence1>) i& P* p. N9 X( L2 X6 P1 ^
until <condition> loop) R0 X8 X6 e Y6 U
<statement sequence2>;
; j/ |" w7 l" ? S0 K6 R$ | end;
. }8 O* }9 Z0 W (2) while <condition> loop
& w( X1 p' `3 i% Y0 p1 v2 \ <statement sequence1>;
8 ^- N& x/ V( n9 g end;3 I' k! z0 o# q* c) r
(3) repeat , y+ ?3 ?0 N, }' @; m7 ?
<statement sequence1>;' ~7 A" k0 S9 v0 i0 B7 W! r2 t
until <condition>;% ` K+ c5 a8 Q2 t. z
(4) for <condition> to <condition> loop2 d4 S U L! U8 y1 \: i
<statement sequence1>;
, }. U' e4 I+ z4 ?% A+ i# [6 D' Z next;
2 G7 D6 N! V7 W3 n+ Q g: X3中断语句, U" W: j2 q) ^+ [$ X
waituntil <condition> prio <integer expression>;5 q7 P5 Y: }3 w2 H
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以上为常用的函数！
# ?. p: z# A7 e$ b& Z! Z! _& O4 r还有很多，如有需要我把资料发到你邮箱里
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