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发表于 2012-11-13 08:48:12
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1判断语句0 Z( n3 _4 R% B- d ]8 R
if <condition> then
1 t2 |* e) L3 {6 d. t <statement sequence1>;# y. J0 Q6 Y7 ]! u
elseif <condition> then, j' W# q$ K+ j1 W- l# N, p
<statement sequence2>;( ?- e! W; z) v4 c+ j' n7 y7 _
else
: a1 a5 [" B: I4 ^& E2 [' h <statement sequence3>;
+ c2 r' i( O/ C+ T4 ^ end;- j0 X( I: t$ }1 C
如果分支比较多，用：: f! R2 b! w" Y# g6 a) X# \
inspect <expression>7 R2 ^: F+ l% C; ?2 _2 ~& D
when <constant_list> then
/ w/ `6 O8 A0 V' Q <statement sequence1>;! Y5 ~& E5 i/ R' Q( F
when <constant_list> then
; R. j, D6 ^! e5 |+ P2 e <statement sequence2>;2 U/ w' |/ }9 M7 a! X* i+ v
...( {+ x& _* u9 G- P0 N$ P
else6 j' D8 S1 I2 Y# T% a
<statement sequence3>;! ]6 d! U6 S. O, @5 U# H
end;5 W8 F- c( B) |3 ^
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2循环语句
8 h1 L4 k. b( W (1) from <statement sequence1>
9 y0 G$ J7 N% g, k/ a until <condition> loop
8 \% `! ^/ P+ H4 |+ k <statement sequence2>;
7 h! h7 M7 Z3 n; L' l end;9 Y3 ]$ o' p+ n0 U
(2) while <condition> loop& r$ v/ X3 ]( C* `
<statement sequence1>;% ~4 ^5 G! H6 B8 G5 z
end;+ J0 h$ E" M$ {) R8 p
(3) repeat
) A9 `/ h U- ?- j' h2 N5 `! P <statement sequence1>;
& l; V; C. g# J4 w& U until <condition>;0 \( {; r( G: E/ o
(4) for <condition> to <condition> loop
5 K3 m; o2 {+ T' X+ D <statement sequence1>;! t! V' D& O8 m/ o* h5 ^
next;
( C2 l. }; n. H3中断语句
$ Q& p9 `& }7 ` _ waituntil <condition> prio <integer expression>;
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* G* T6 P' V/ M. V! C% \以上为常用的函数！
! q4 k+ ]& b0 P& J) h0 @还有很多，如有需要我把资料发到你邮箱里
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