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发表于 2012-11-13 08:48:12
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1判断语句$ d5 u9 Y+ k9 A4 J) |' I7 ?) }
if <condition> then
) ?# i% y( N9 j+ P <statement sequence1>;# k0 s4 \' u! ?8 E1 \& |. V' l
elseif <condition> then" `5 ^# n' _& U
<statement sequence2>;! e% O9 @( v3 c" t2 p7 t
else
" O4 @) x1 w- u5 `+ K/ B' K <statement sequence3>;
/ E5 B- C) a+ Z; g( C; d9 J8 v3 H end;
5 i) N' M% C3 J4 l* \" n如果分支比较多，用：; ^" r" ?' u) _/ [6 @% F$ ?5 Q
inspect <expression>
$ M; b2 |! R6 D6 \8 e) M* j when <constant_list> then$ f% n2 ?" x# s
<statement sequence1>;( W* L4 ^% V2 ~- \" R$ l& T4 b
when <constant_list> then
3 X- N _& H" {$ p, | <statement sequence2>;7 [$ a; Z8 a. }
...
/ l6 X/ \* ~( i% I# d else
2 }2 S* c8 I6 R$ Q* X <statement sequence3>;4 j& d7 _% x! S1 p( ?
end;, [& p1 i v1 }9 H
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2循环语句4 M! [0 J, {( p& M! v4 p! H
(1) from <statement sequence1>
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<statement sequence2>;# Y2 Y# q4 e, D
end;
( ?; C) \% K! K- y (2) while <condition> loop8 e% K6 u: f% ~& o! h, M6 r# \
<statement sequence1>;
0 d! o( w& x2 V/ A6 R3 R end;
( ^/ G' o/ Z+ n (3) repeat ! p. c* o: [ s2 F7 U& y
<statement sequence1>;0 e; \3 k% C$ k+ T2 q
until <condition>;8 R: w( \# Y: N n: U5 p
(4) for <condition> to <condition> loop) X( h, |' D& T% h8 I
<statement sequence1>;/ ~* @, T& t8 c* c. C* ] ~7 y" @5 A
next;
2 ^7 C6 H1 |$ e3中断语句, O5 a: d9 W v. W
waituntil <condition> prio <integer expression>;
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5 o o: c; ?% ^0 }以上为常用的函数！
* G3 B9 p2 d [* ~还有很多，如有需要我把资料发到你邮箱里 ; G5 h0 u$ O' r
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