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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
9 B" e5 ~- m9 j5 v6 B if <condition> then: E n( q$ d" ]
<statement sequence1>;
$ ^ _3 x( ?1 j elseif <condition> then
6 k) N4 ?3 H/ u' m" n <statement sequence2>;9 X$ J& L1 m& W& n, d! B. W
else
( F: U2 |+ _! N) u3 a/ W* ~ <statement sequence3>;* z' g0 [5 ?! ?6 i' Q
end;
! @2 k6 P* W1 u/ }4 V. n. T如果分支比较多,用:
8 s* m" q \+ p o+ K7 h inspect <expression>
7 y1 s7 z0 c# S' l& O7 L$ l when <constant_list> then3 i, V- R8 D% T, B. p: @3 ?3 e
<statement sequence1>;
8 l' }8 |" z' Q0 `8 i# ^ U) l when <constant_list> then0 Y7 r' z' B! \: ? Q
<statement sequence2>;
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else. ?5 }4 D& Z3 o/ i
<statement sequence3>;
- ^; D0 p0 d% j5 r5 U* dend;
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2循环语句 S' Q/ R& x; l; n) N3 n/ w- f
(1) from <statement sequence1>- f& H$ J0 @4 ?! l. d$ l
until <condition> loop, X+ u' A" @7 l' ]
<statement sequence2>;% A) \% H7 j2 R! Z* _ n7 y4 R2 M
end;$ X( x0 v3 G8 _
(2) while <condition> loop
' D. d. s+ ^9 N1 z- \/ [ <statement sequence1>;" E# h0 ]9 o1 j5 C6 Y! ?
end;) ^. o1 M% { M. p; ?! V5 d' [
(3) repeat
1 m* b; v' Y& }# A* B" J6 t2 |/ W <statement sequence1>;
$ @+ h- \& b- ?$ u% G7 x% x$ {. u+ ] until <condition>;0 U! I8 Z6 J8 E" { V0 O% `
(4) for <condition> to <condition> loop: ~# L3 a# ?' J- t: P1 A
<statement sequence1>;, [! ]' b2 b" G' R# T6 M
next;; c, d& o' h5 _4 E! K* R2 P
3中断语句
6 n$ E7 S+ D% I1 S* t waituntil <condition> prio <integer expression>;
2 ^* O- e3 D9 e' |% S9 c1 @. S% j5 Z9 ? U; u, S' N; J7 V+ \
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以上为常用的函数!
0 R" i0 R+ V! ?3 U& B$ V还有很多,如有需要我把资料发到你邮箱里
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