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发表于 2012-11-13 08:48:12
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1判断语句' k4 z, Y$ [; E9 i! P9 |! g
if <condition> then+ G T5 s0 C: j9 K+ W7 z
<statement sequence1>;# }# |! {) |$ k
elseif <condition> then' R9 ~: o* Y- @: N" t _* Y- K
<statement sequence2>;* g# z( ?0 T) V# M/ w }+ r9 P; w) _
else 6 ?# U; [, K( @ _7 l9 q/ D$ w
<statement sequence3>;
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如果分支比较多，用：
0 T3 c+ U5 a( Q inspect <expression>
0 c: _" z7 b" t, Y) u, _) t3 g when <constant_list> then
3 W y# ]8 W; n5 U/ Z1 @ <statement sequence1>;
& P, @' x! P, g3 I" O$ B when <constant_list> then
M! ?1 k# t" e) v& t- c' ~, a* ` <statement sequence2>;
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else
4 M" Z+ U6 [) H, u) w' J <statement sequence3>;
& N: r8 V6 f" ?# L+ Q% X w- P) aend;
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! t- `. U1 m/ w# b x2循环语句6 i3 \3 ]& b3 e% u, f
(1) from <statement sequence1>
z/ K) K) r) G3 L4 q) _& \ until <condition> loop5 ~ J& |& |1 f t4 |! p
<statement sequence2>;+ ]1 N/ C; y( Z) n
end;
$ c4 y$ h3 X/ r6 t) H (2) while <condition> loop! k1 v: `2 x% b# H' o D) k0 j6 L
<statement sequence1>;
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(3) repeat
# U( r4 @# b7 J <statement sequence1>;
, r9 M( n5 T" y+ n, _1 i/ G until <condition>;7 Q3 e( ~: ~ m/ J8 @
(4) for <condition> to <condition> loop& C9 `! ^$ o: r" W- g
<statement sequence1>;
, k% l3 i) N7 U, v9 `$ e" g' d next;% i4 V) T" k2 W6 E1 N1 ?
3中断语句- L$ X3 e$ t) ^: O) y Q: i* [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！1 w- ]; f6 ]6 w) [
还有很多，如有需要我把资料发到你邮箱里
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