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发表于 2012-11-13 08:48:12
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1判断语句' O0 B: r3 }" J% b; K' P
if <condition> then% Z4 a& J" v, h$ c7 y7 P* t% w
<statement sequence1>;
0 p) o+ M" f' N0 K elseif <condition> then
& {* l" x" L# _0 b& N6 { <statement sequence2>;8 g2 u9 m# Q; z0 W1 Y) k7 L; @/ W
else 8 T. V ~% _; C2 X% L
<statement sequence3>;2 \/ h! \0 x$ a+ \
end;
2 ~. @- i0 G( t, s4 I; {如果分支比较多，用：$ e4 g& P( u9 {" a+ U, Y) H, p* n/ }
inspect <expression>" d2 |' C+ w+ f) _% y% b
when <constant_list> then$ Z* a- N0 J' f6 G" J; w) \8 J
<statement sequence1>;
3 X( ]$ `% z6 V when <constant_list> then
" f2 W) S0 d3 A5 T7 W& R& h <statement sequence2>;
] M) z# s' G* l$ I ~ ...
. i; M5 x4 G! h" T& s5 | else, Z* d% R) l" j, Y c, \
<statement sequence3>;
" `$ v. j9 p$ ^6 eend;( b7 Z. |0 V3 v1 N; `( H2 U
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2循环语句
, a1 |1 J' W7 k l. [: K/ k7 ` (1) from <statement sequence1>
. T/ r: T5 `. f- r& D$ } until <condition> loop$ |# d c( |. e5 D9 C; Q6 [' M
<statement sequence2>;9 A+ @# Q! `, w5 g+ Q$ u, l
end;
) f" A, T5 N z* T; ^' U* K5 E (2) while <condition> loop
$ R3 ~2 b( j& H% c( { <statement sequence1>; k+ R: `- _7 Q2 o! N/ B9 ^/ k
end;
2 }. }' y- ?" f (3) repeat + V. U* D U1 Y4 y: n E( c
<statement sequence1>;6 {5 { K. k5 k& I1 ^7 E
until <condition>;, K$ b1 y2 g' H3 ~" }- \
(4) for <condition> to <condition> loop
3 [* f0 v) V& k( Q- i <statement sequence1>;
1 g. N A" V# L9 |( E! T7 V next;; E- G6 t0 Y A8 c. [
3中断语句
9 h3 a7 [& V. U) {/ ~& P. @ waituntil <condition> prio <integer expression>;: r U: U/ [+ I
4 T$ P$ r, H6 w# T' `5 Y; o$ k; _
4 k: q. b5 n- A. R z! s以上为常用的函数！
# C9 e+ F+ e% V' Z2 O1 N还有很多，如有需要我把资料发到你邮箱里 . z7 k7 i- ?$ Y# ]+ c
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