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发表于 2012-11-13 08:48:12
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1判断语句
# F M3 @9 K' I& v if <condition> then4 u$ X, W) ?7 e- P: T) m
<statement sequence1>;1 A3 f" e. h7 R
elseif <condition> then
7 D. N* [* B8 x7 X: O1 l" w* D <statement sequence2>;
4 _, v5 E% d7 o( L; l+ v else
' A% x! G0 z! V0 C" L( }* } <statement sequence3>;
& s- m9 P' }- E8 G- ]: a4 @7 A) S end; J: ]: ^3 K. M
如果分支比较多，用：3 y1 f% T! M. P) _4 a" {) h
inspect <expression>
/ l# Z! _. |& I. u# e5 j when <constant_list> then
) g& i1 \: T4 S1 r <statement sequence1>;9 y$ h: U# j' z6 f
when <constant_list> then B3 q. E% L8 u: n* H9 |
<statement sequence2>;
Q' Z2 z. q Q ...
9 J) I3 v6 I0 ~1 }% O4 _ else
& ^' K+ d8 _7 H <statement sequence3>;: H8 Z& N/ ?: Q! u9 }7 _
end; ^6 Q' D$ U5 @2 A5 g4 s
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2循环语句
# i0 {. M& q; q/ ^ (1) from <statement sequence1>
) t1 D* {2 M3 P" c5 o/ V( o) S e6 F5 J2 D until <condition> loop
/ C3 p X: y( s4 K% q <statement sequence2>; F7 _8 y% m# R! S
end;! g: }6 r' _9 \* C8 I# `' b9 S
(2) while <condition> loop
% z6 g' ?; P! u( B/ a <statement sequence1>;
, K( A1 F" d$ h6 p8 S; z: X end;
6 b1 T5 a' q: w (3) repeat
, F# Q$ V" D' s! J* }! ]5 ^ <statement sequence1>;
. w, Q% t% N- ] until <condition>;
# B6 z/ g0 [) o# | _0 a: { (4) for <condition> to <condition> loop' Y7 q. x! [2 [' `
<statement sequence1>;
$ W8 e1 u: n: G: N9 n next;1 h8 ]$ Z9 z4 w6 M( \* z
3中断语句
+ b0 ]- _6 r# p3 S waituntil <condition> prio <integer expression>;
# i* p# \: _+ t' p- Y$ R4 c7 L* w' x- W! U- N9 K( ~: b1 u. R# W
9 w; @8 U# y$ w, R+ g' H9 j以上为常用的函数！
0 v. [/ s7 d5 f& A2 P8 W. `还有很多，如有需要我把资料发到你邮箱里
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