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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
* n6 `# @4 l. f if <condition> then$ e" a/ ?, ^9 b/ g+ w6 {0 ^6 K4 f7 I
<statement sequence1>;
5 p5 I |, X6 I' z: p. f9 [0 _& P elseif <condition> then
/ ?8 Y* \7 @4 `- J <statement sequence2>;! {; r: M0 L- \/ i
else
; [& a1 J! c) H# O* H% j <statement sequence3>;
9 M1 g# u: L2 f' I. V, g( I end;
: [& s, d6 L9 X; y. W- l如果分支比较多，用：) w7 a2 C% L- h% S
inspect <expression>
+ M: g1 I) m. Z when <constant_list> then
6 v$ I( O" t8 Q8 L! \8 d <statement sequence1>;
- P1 i/ q, ~" {6 o- W+ e7 Z8 { when <constant_list> then) n/ ]$ g) M: B Z
<statement sequence2>;$ M3 X- {; f1 q( T
...
9 Z# Q7 C( [6 ?9 p* z4 ]' C! u' d else
- m/ o6 z: t8 t9 f- u: t <statement sequence3>;8 C7 z2 G) A0 M; i# r
end;
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! U0 V& g! J; F, n* _2循环语句2 H* V1 Z2 o8 ~
(1) from <statement sequence1>$ G$ N! {+ m' v9 l' ^
until <condition> loop2 W D5 O+ @7 F; z w4 h8 \0 ?. u
<statement sequence2>;% }/ d9 t( ?2 M4 K! g0 Y2 Q
end;- c% k2 g6 D4 i7 ]
(2) while <condition> loop) ^$ Q& ]8 b$ _7 w
<statement sequence1>;1 m' s% ^& E5 Q' _
end;# o: `, q2 c K6 h1 r
(3) repeat ! C! ~% B z$ t" g9 F! R
<statement sequence1>; \& c, M: r G* J: Y
until <condition>;
" O6 ^ U! s, F! M, W; y& X0 j (4) for <condition> to <condition> loop
; F& u) O$ T' f8 G9 i1 T <statement sequence1>;
4 @2 A* y) R; m& X+ H% t next;
/ |) ?$ q2 \: C2 r; Z$ n. b3中断语句- r6 i' u' _* K5 N
waituntil <condition> prio <integer expression>;
. k. }, M3 Q% B$ Q. _; ?. I0 n1 c( c1 B& }
. h7 d, n2 Z* v. \+ }& E以上为常用的函数！, t* \6 B! H' H7 a: B
还有很多，如有需要我把资料发到你邮箱里
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