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发表于 2012-11-13 08:48:12
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1判断语句" _5 S: F# g n9 L
if <condition> then
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elseif <condition> then6 W. Y- D1 ]3 V w
<statement sequence2>;$ j9 J2 g' V5 _( F* \- |
else ( V2 r2 ^% A3 o& s" P! _1 q
<statement sequence3>;
) ~& J2 F4 p! p3 ^9 K end;
/ D5 p9 u- ^( I% [如果分支比较多，用：# J5 }9 \& t7 o# [ ?
inspect <expression>. x, y. n1 m" c( w, u& W9 U) y- X* H
when <constant_list> then* Z" Y$ W8 e5 Y2 r$ l
<statement sequence1>;
) }2 ~) a$ u8 L$ A" P% V6 Z when <constant_list> then
' g0 S) }( k8 T; P <statement sequence2>;( d0 I4 h7 Y1 h- W, S: Z' M
...
# y6 {# p- @/ e" j else
9 ^4 V/ a& M9 d* V2 Q( i* o1 l <statement sequence3>;: w9 a0 A0 e U v3 H
end;
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" R. R( |& x2 X$ K9 o& \2循环语句) d* Q+ K' L! q5 J& k& |& D
(1) from <statement sequence1>
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<statement sequence2>; B& ?6 s& J! I) Z6 _
end;4 r& m! Y5 O8 {
(2) while <condition> loop
0 d" b# z# n( T# f: q; _ <statement sequence1>;3 C. I1 [- m, K8 f7 U! ~ ^( B& G$ ~
end;
/ w* b9 ?0 v l: Q (3) repeat
/ B6 V8 m& B1 K2 T <statement sequence1>;: p3 ~+ ]+ e' ~" ^6 u6 R
until <condition>;5 g b; p y6 }/ Z- D/ D7 p% Q
(4) for <condition> to <condition> loop
& t: ]/ R2 @) ]* s2 n: e) ~ <statement sequence1>;2 V) N3 m2 y! B7 Y0 d9 V, [! s Y! [
next;( q) d8 i- @) R$ \
3中断语句1 g, L) k u: f. J4 t* S4 c
waituntil <condition> prio <integer expression>;( r; T) y. E H
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- F# m/ }2 R2 c6 ~2 n+ x以上为常用的函数！
0 {& ]2 b) I' v还有很多，如有需要我把资料发到你邮箱里
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