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发表于 2012-11-13 08:48:12
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1判断语句- ~! t; p# y$ M3 s' C
if <condition> then
. f: e% i/ A: R% ^' i% C0 O" @ <statement sequence1>;5 _7 N, J! G0 i9 y/ j7 b( E
elseif <condition> then
6 ~& g8 ]* p7 q <statement sequence2>;/ y: r4 w8 Y( q- G7 ` l4 \+ E
else 5 ] u5 E7 M* F) D+ U* Q
<statement sequence3>;
, W0 m# D# G9 d" N) B7 Y/ Y& ]* G r end;
& g- [5 n4 `$ S6 ]) c' Q如果分支比较多，用：/ s) A) f2 ^8 d. a( L- M' j
inspect <expression>
' I! l- w( ^; K5 i" Y' N' F when <constant_list> then( U" [2 W5 s% H9 ?0 T" n
<statement sequence1>;4 X' }# ~4 |1 n. E
when <constant_list> then
. a% F$ A9 c6 c2 D6 Y# j; n* p <statement sequence2>;
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else* }' k5 H. N3 V* x
<statement sequence3>;% I {7 u+ s, r# e$ C
end;5 x) |! s1 e9 {1 V: f1 l
+ j- z1 W. W0 i$ ~! i+ M2循环语句
) e3 T9 h( q9 H% ?6 r (1) from <statement sequence1>- S0 C! r# \' c) V( T8 k+ d
until <condition> loop3 c- H1 a) R) @* O! U
<statement sequence2>;
) o; S( m2 `5 |' K1 L! ?- M end;
; k1 R' P) l4 G (2) while <condition> loop
* ~$ v6 ?- o) b8 b <statement sequence1>;
' `* ?4 T0 I5 [ end;% w: w9 b& N" ]/ T1 X Z
(3) repeat 0 n; Q e# M, M" _
<statement sequence1>;& s; \- ^( {# k3 f- p
until <condition>;# @5 c2 q- c+ Y* Q( c+ J% c( k
(4) for <condition> to <condition> loop
R) h6 S5 c- p+ T <statement sequence1>;5 p" f |$ Q7 r( j! G z4 ^
next;" H! A/ f4 A) X" v$ S( E
3中断语句4 x9 X) g! c& L2 e
waituntil <condition> prio <integer expression>;
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以上为常用的函数！4 ]6 `1 Q7 M! t* \ z: \
还有很多，如有需要我把资料发到你邮箱里
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