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发表于 2012-11-13 08:48:12
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1判断语句6 }, L( Z6 @% x" R9 O4 i
if <condition> then! ]! S5 j/ |# n# A
<statement sequence1>;
/ Y9 T2 w+ ]- L( K elseif <condition> then
" ^) Y: D& E5 B" p5 E. D <statement sequence2>;4 P" x4 b& ^' ]1 }$ P
else # E9 e( u; G- H3 C3 f- f3 L
<statement sequence3>;1 U! q2 _% I" z G
end;; p$ l+ S* b/ l p% X
如果分支比较多，用：
+ y' [/ Q! y5 s% k+ _$ W inspect <expression>9 {& f* W; H! q/ S6 T0 Z, R8 u
when <constant_list> then
4 P0 W0 x: x( i! ?6 A <statement sequence1>;: M( J9 f; V. M, }* Z
when <constant_list> then% b8 e% F- f" b2 L
<statement sequence2>;
& `( y+ ?. C% t" u- y1 d/ F ...
H0 b1 X) y# c! v5 S8 } else
) \ M5 u3 u3 \: b! J" a <statement sequence3>;4 Z6 z9 s& |1 L% j2 H' K/ [! B
end;
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2循环语句4 S' i+ c) `! U N
(1) from <statement sequence1>& T$ V1 o& k2 C7 ]1 k; P9 h- F
until <condition> loop
8 L) A0 }( J/ l/ G8 z <statement sequence2>;$ |9 Q* ~ I* I4 }+ a2 S- q9 h3 Z
end;
' E3 }4 g. _3 P (2) while <condition> loop" t- u# v2 g/ x9 G
<statement sequence1>;% S# ]$ ]) S8 Y b9 X3 ]: x# l- N' x$ a
end;3 c9 w* }" y" i
(3) repeat
* Y3 O& H3 W! l <statement sequence1>;% }, T# H9 `, x4 h7 `$ _
until <condition>;
. g: Y/ h6 [7 f0 U8 }8 F: H (4) for <condition> to <condition> loop, `& D6 ^+ Y, D1 {/ K* S6 X
<statement sequence1>;
" J2 X Q" Z3 s5 X- S2 a- D2 ` next;
8 L( d- |7 M @. ^* Y7 R! ~9 S3中断语句! G, E8 O7 A3 i8 @# x
waituntil <condition> prio <integer expression>;! X% k+ r$ X, Y; @2 X
& J" S e9 [4 u6 ?
, P/ O" c( x& I1 ]( i7 H. j7 R以上为常用的函数！
: ~* f% l" v0 I |: @, {+ `: g还有很多，如有需要我把资料发到你邮箱里 - l( W% F9 @. A- e7 v- k; S
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