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发表于 2012-11-13 08:48:12
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1判断语句1 x( E+ p# T" ~8 a. ?3 \
if <condition> then) D3 i" O; u: n/ k
<statement sequence1>;
2 @4 {7 N6 t/ y! G+ |2 |7 q P. N elseif <condition> then& R/ \; F/ N1 ~& k/ D9 P! s5 @
<statement sequence2>;, b1 r9 R" h. s
else
& {$ h" q/ z& N <statement sequence3>;; |( r, D! q, M+ ]1 p
end;
4 t) R# Y- ?/ V( w w; n如果分支比较多，用：. t7 @; P1 X+ m3 s& e0 O& `# N
inspect <expression>
& k4 w0 |/ F1 e, R1 o8 l+ z( L when <constant_list> then
! ^0 L* J& E: d& d <statement sequence1>;
& H' f8 _/ ?4 J; }& I when <constant_list> then3 n- Y2 r- i' j$ W2 `2 Z
<statement sequence2>;* H! K* e6 t4 c' f$ r* g
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else# P# V2 R6 b- x( h& v( @
<statement sequence3>;2 V: a- F, k4 ]& `
end;
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2循环语句, N$ _, ^5 W. P
(1) from <statement sequence1>! D2 e; j' e+ k; V: Q& L
until <condition> loop
/ o0 V5 k8 x; f% k D4 _ <statement sequence2>;- o$ p% W" l! W- Q0 U; h3 T7 w
end;
3 ~0 _. q5 Q6 a0 a8 L# {/ l (2) while <condition> loop
6 u' J1 e+ b. W0 ^+ ?$ A9 f <statement sequence1>;6 D( u/ W( L( f I6 W4 _0 J
end;
6 P% D& E" h% ^5 p K: ^$ {5 L4 G (3) repeat 5 }# |; [, X) v% U6 |/ X
<statement sequence1>;7 P3 A7 [ O, y
until <condition>;
B9 [' k% x- I# U (4) for <condition> to <condition> loop7 l) I5 b) N+ K4 ^, E& p8 s' U+ R
<statement sequence1>;
! S) Y! G* B3 O: @4 O next;' m1 A4 P, F6 A& y) G; h0 o) @
3中断语句
* I8 [& L# q8 @ q3 X# B waituntil <condition> prio <integer expression>;
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) {$ F" A$ K6 i! h" T- y! E
* }$ r5 |* t/ F0 R以上为常用的函数！
+ q i8 T* O: B$ t, i: z# W还有很多，如有需要我把资料发到你邮箱里 ) n* @6 s8 h/ |# ?
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