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发表于 2012-11-13 08:48:12
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1判断语句
; r) }* j m1 ~+ y1 a( A if <condition> then# |5 ?1 l/ b, O4 z5 R0 F
<statement sequence1>;
& z/ f7 {3 p1 U/ \* z$ Q. a elseif <condition> then
2 L6 p4 R$ |0 G$ J- _! K: T <statement sequence2>;- k8 z0 o8 _' u7 q; C
else U+ c7 E' R1 F7 u f3 \! |/ b
<statement sequence3>;
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如果分支比较多，用：
( b% s4 \3 \2 p2 ^9 \) C inspect <expression>
1 x5 i+ z( A% K4 ]' b2 O when <constant_list> then
* B! T# {. O) F4 h <statement sequence1>;, l1 c# s& q. N! w1 Z
when <constant_list> then
4 y+ l3 \6 i/ ^, \' t8 p <statement sequence2>;
! W$ I9 n1 R7 G' | ..., W. j% [) V/ }$ I" a
else
* O: V$ k$ d) J2 z. M8 `1 V2 W6 ]7 U <statement sequence3>;
5 u9 X, Q- Q2 B9 M0 H: ?& w- w9 Uend;
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2循环语句6 w# e) m. [( Q0 ?; f& n
(1) from <statement sequence1>
9 b# q' N; Q7 n/ H' m until <condition> loop
8 U6 B! k8 J- d* d <statement sequence2>;6 m; a! p. t' H: A
end;3 x5 ~1 }6 u# ]& E, s, i" K
(2) while <condition> loop
! M% r7 G; _* `0 V v' g$ ^; K+ J <statement sequence1>;! V* O4 \; x2 O. P8 `; C
end;
- J: t( h( {% }" n! N) N (3) repeat
' b* l. ~7 o& E- C. o3 C3 b2 | <statement sequence1>;
& Y+ |( k% W: w: Z8 d until <condition>;
: W9 Q( G. G7 e- \8 B% L4 Q (4) for <condition> to <condition> loop
, J L6 f) c; T <statement sequence1>;
* q. Q$ q9 W- D- n. o% z% q next;8 z& z7 P* g. ]: Q$ s4 F. w
3中断语句: f* i0 x& `, P. y8 @
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 ], G U5 R3 N+ R! ?6 T8 W! ]' ^9 E还有很多，如有需要我把资料发到你邮箱里
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