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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
8 i3 s5 U9 }5 K/ S if <condition> then% ?# `3 ~7 y9 A' E
<statement sequence1>;
# k9 Z9 }# k7 p elseif <condition> then
$ J8 [1 B9 D+ u+ W* l# H. Q6 c7 |! O <statement sequence2>;" x, N) d7 O( }- D
else . S O- M- @% x: ]6 h2 x5 C
<statement sequence3>;
" Z. ?' U" I, s end;
1 W2 m6 J& {5 x2 f7 N/ i4 v5 ]如果分支比较多，用：5 X) {4 [- t$ N; `0 [' @
inspect <expression>) M. A$ q; N4 n% q' w9 p6 E r
when <constant_list> then/ d' ^ @9 u7 A: u, Y
<statement sequence1>;
4 B' r5 g2 C/ K. z# b) C- w8 a8 j* p when <constant_list> then$ |/ f$ p% I, H7 j- t3 p3 b2 o' c
<statement sequence2>;+ N2 V. B ~. K0 q2 K
...* B3 D/ @8 r5 p. x8 F: w' V
else; j* X+ G v9 E% y
<statement sequence3>;+ M; _* g; E K8 R8 }% W
end;2 @ z: v0 K* T% K2 Y& O: o m
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2循环语句
# Z% V3 T) J* W2 |. }8 l! u# Z8 `; h (1) from <statement sequence1>- ^9 m) w7 y# A3 D, x
until <condition> loop% q" K ^. Z# a% S% T
<statement sequence2>;* a. E H* C4 y/ Y; r4 F
end;
3 i- g) L# V' t" h7 n- ]# q (2) while <condition> loop) h1 B$ O! f) ~; i- W5 j) C+ P# {
<statement sequence1>;
; B! W! _# `. m( ]6 @$ ]0 t end;
" s. p$ W' \ W1 P: i, b2 X6 r (3) repeat , D5 X% a5 Z2 ?+ G) b
<statement sequence1>;
' v, I" w |2 B- d& b, A until <condition>;
, \5 S2 ]6 Q! M" f( j9 K (4) for <condition> to <condition> loop
1 O P1 f6 c9 D& x <statement sequence1>;
?6 I% n" b& a3 Y+ V0 X next;
" h7 m/ b3 J5 T6 P$ ]- J3中断语句
2 v( c, w1 O& `6 C' R waituntil <condition> prio <integer expression>;! c/ K9 z: y8 C% e7 v
# l0 o. D- V q; j+ {
& L& n4 [7 U$ r4 W以上为常用的函数！/ Z/ R# W6 @% _9 ?& R6 {
还有很多，如有需要我把资料发到你邮箱里
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