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发表于 2012-11-13 08:48:12
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1判断语句
! R: c, r) i2 Y! B' Q. Q$ |: u if <condition> then
* Y6 D- U0 s+ G; M" t# W <statement sequence1>;
$ y, x1 @/ v5 l( M elseif <condition> then9 g4 Q$ H+ X ]$ W! [
<statement sequence2>;
* I/ c) C1 x% c. {$ n, O( M else
; Y0 R9 V- y/ ^ <statement sequence3>;0 K% ^# D- W( n$ c$ r
end;
. ?1 M0 U7 V ^8 R0 X如果分支比较多，用：$ k# Q& |8 t0 f
inspect <expression>+ h# F) L; u( v p5 X: d
when <constant_list> then. p: t( Z7 w" I0 P9 c4 {
<statement sequence1>;
4 j- Z0 f0 U" \5 ^ when <constant_list> then
2 \4 G, p! w: w ^+ t; } [ ^3 i1 } <statement sequence2>;
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else
( R, N/ e$ W2 n+ j1 @ <statement sequence3>;' j% h! D- B2 \2 I# l& A9 X1 f# R" y
end;. ?- X: f0 e- P3 I. k
( P/ z% M9 E6 S2循环语句
4 n |- F& `1 U/ ~7 h5 _ (1) from <statement sequence1>
1 ?+ }. L$ a8 ^- h until <condition> loop* f5 H1 z8 i( g/ J! e, x, n
<statement sequence2>;. V! W! t; w# T8 V( `+ e
end;3 y+ ]: \3 o% N2 L# \7 I/ z/ b" d# Q7 g
(2) while <condition> loop
& l2 Y6 X: V7 } <statement sequence1>;
% T5 {. `, h; u3 z( G; w# F end;3 j: E3 x3 W& V
(3) repeat / f- t: {5 ^3 C% y7 L
<statement sequence1>;
, Q h/ _: A- T# \% C until <condition>;% R- |5 M% s$ H" `1 Z/ W) A; C
(4) for <condition> to <condition> loop! F; ]' s( u+ J
<statement sequence1>;
( J. n8 j( T9 o next;
5 ? V& } n. A8 M; R4 E: B4 s3中断语句
! c( U4 P: j7 A7 h waituntil <condition> prio <integer expression>;8 o4 h( z& X7 m+ f* t6 f
" I! q+ E5 C/ r! ]$ s8 e) Q3 Y7 ^
) v# u- Z+ S1 c
以上为常用的函数！
7 H7 l3 m) h) v" H( Z& Q* X还有很多，如有需要我把资料发到你邮箱里
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