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发表于 2012-11-13 08:48:12
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1判断语句6 M9 M; M" V @ W2 P
if <condition> then0 [0 }* K% ~/ ?) a6 f
<statement sequence1>;( U# w- j! k. y/ L
elseif <condition> then
7 |* b% X( H7 X) ` <statement sequence2>;& Y9 Y2 S- C5 b: n. F1 r
else 6 o6 u( `% y- _! t- s
<statement sequence3>;& M5 l, q$ M7 D. g1 ]. @
end;
! v' J% p# u3 {+ e; y( q如果分支比较多，用：
1 b0 t& o* }; t& N3 i inspect <expression>$ X; E7 v; T# K/ r
when <constant_list> then
7 [6 m' Y( s1 F0 U7 V7 U( h <statement sequence1>;
" Z+ R) T% X* K% M( B7 K7 K when <constant_list> then
+ g4 X# c8 }5 [% g! h% X <statement sequence2>;
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else
9 h* J q% T& h/ Y( U4 g, Z) g8 V <statement sequence3>;- T" w; k$ z8 L. S$ s
end;$ W9 E. Z3 \' E
9 ~8 u! Y8 N- _, ?* q: [# g2循环语句8 ]7 `7 L2 Y$ S V0 [( ?/ L
(1) from <statement sequence1>( r* ?7 q i6 J8 ^4 z2 C) g% @
until <condition> loop' Q3 j3 H* F8 T
<statement sequence2>;, a5 e1 X+ {* h( B7 _: d+ ?" V, @
end;
0 @4 ?% _, E; X: N8 @. x0 Y (2) while <condition> loop
. U* z4 ? u( H; u' x8 }; M <statement sequence1>;0 s8 Z) r$ K: {, \4 t) [
end;* ~7 m2 _, p7 C+ @
(3) repeat ( J* j& s0 @! M4 X6 u
<statement sequence1>;
" l9 e9 i; T* \0 b: i, x1 z. I9 F- W) A until <condition>;. W( N3 ]/ ]8 {7 E$ F
(4) for <condition> to <condition> loop, `4 t; _0 B" n) X' m+ H0 k
<statement sequence1>;! `- [, p2 o7 X8 q! y0 ]1 k) ~
next;
( {. L0 ^5 Q/ z) Q/ h3中断语句
; B5 m. n! M5 t3 M4 W% w waituntil <condition> prio <integer expression>;( d+ o# d: P) U- Y2 [5 B% i: q
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* D# F" k& A+ F. V以上为常用的函数！' k% d S% y% o2 ~: g4 ]1 @ _% j
还有很多，如有需要我把资料发到你邮箱里
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