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发表于 2012-11-13 08:48:12
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1判断语句
2 Z7 N+ v6 G2 ?: |2 f! b( f if <condition> then
9 N& L4 P% s9 ^8 s9 T <statement sequence1>;( y, P' b9 T8 E3 w3 ^- I; W! ~
elseif <condition> then
# F, y9 }. t- ~- u3 t <statement sequence2>;
! m2 l9 E) f+ b, w+ m w% S else 0 V! }) m5 N% N* N q& y; P
<statement sequence3>;4 y2 C$ K @2 R( e2 a" G
end;
! w' {2 a+ [! `9 P. c7 E+ ?如果分支比较多，用：, g D( q1 M; n
inspect <expression>
' }' F$ f! m a, U/ }1 `. O4 y when <constant_list> then% @4 y# c% F O- I
<statement sequence1>;! Q! M: T4 j4 I, f
when <constant_list> then) F- C6 D5 Z9 H! W |" w y$ t, h
<statement sequence2>;
$ u7 |8 I5 {0 j. D9 K! Z1 j ...
: o- y. v+ D, k6 e* N6 X else
- ^6 E' f9 C( Q: {6 U( t <statement sequence3>;$ w. `- s8 o, W _ x1 J; P
end;5 a6 n7 T2 C# |) A
8 D; E' c0 W4 [/ ?: H- F% J' p2循环语句1 {" h' O' B; n6 ^! V; r
(1) from <statement sequence1> f1 V1 t3 J p; y/ [
until <condition> loop
( I u1 ^# `! i$ h6 s1 W' x <statement sequence2>;
2 o$ N% ^& E. a) F end;
5 z: V" j: C' s" u$ B9 z$ Q% x$ c% g (2) while <condition> loop
, I0 a" T, q+ o4 I* e' {8 o <statement sequence1>;
3 W4 Z/ z2 g1 X0 Q5 I. J end;
% w" w1 s! f# w% p (3) repeat
" @! K; N7 \: E+ o <statement sequence1>;, b" w0 H: N0 p: c
until <condition>;+ `; D3 R h" y( a4 i
(4) for <condition> to <condition> loop
" B! Q* [2 v' o4 r <statement sequence1>;) X! }( I- p- Y; F4 {7 n
next;
7 H3 e* Y$ [9 w0 k+ W2 B5 v' J8 ]3中断语句
9 ^" t( n0 j4 p/ f waituntil <condition> prio <integer expression>;( b; p, @# E# C) u4 _
; g: B+ C; @8 r0 L* H) y/ W# ?
) ]+ k4 D8 R9 y以上为常用的函数！
, q( h% F5 ?5 u还有很多，如有需要我把资料发到你邮箱里
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