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发表于 2012-11-13 08:48:12
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1判断语句7 n% z* n6 P* A# E; o: v
if <condition> then
& D2 c% D( t/ A1 n* x/ ^ <statement sequence1>;' `' R4 ]& t% F2 x
elseif <condition> then
5 G% \, B& j5 U$ k- G( s+ F6 { <statement sequence2>;
3 M3 R+ _: G, X4 Q, l" { else
$ Y9 @* A$ \& Z- W& J <statement sequence3>;
0 `: c$ ?7 q0 w) A. _/ Y0 W end;
) d: \" i' x# t2 y! G' F如果分支比较多，用：
" S2 [# a7 x: R- J9 W inspect <expression>- u* `/ x% u1 J6 ?, i
when <constant_list> then$ u7 O; P1 q4 |1 ?+ t
<statement sequence1>;0 Q+ {7 \6 m3 \: x3 d* m5 E
when <constant_list> then/ ~' Z8 Q S( X" _# c* @0 N" v( C
<statement sequence2>;# v( I3 b! ]2 ]' |
...
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<statement sequence3>;
9 c" `3 W. ^' ?. k9 send;
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+ X- J# E) }' k; S0 p$ N4 y) ~2循环语句
" q J% ]' I+ r0 c: |; o (1) from <statement sequence1>5 Q U5 b6 m3 t5 \4 ~
until <condition> loop
" v) c+ n* b$ e! F1 ?/ [ <statement sequence2>;9 I0 G8 |" Z& R9 d7 Q/ z8 \
end;
5 ~% {, a* P' |3 l# ] q9 B4 F( K! Z (2) while <condition> loop/ S! f% K( A8 M
<statement sequence1>;
; _1 ~$ K2 U& F ~" M end;
0 V0 L$ f7 C: ~/ Z' ?# ^ (3) repeat
7 z+ }2 }: V4 @% V <statement sequence1>; i& ]2 N- a0 u3 o
until <condition>;
' K9 H7 `- V: X" s' _ (4) for <condition> to <condition> loop
: U. x* D6 _- e <statement sequence1>;* W6 K( v. S- W H4 k
next;$ E$ H4 T' R: S
3中断语句
& ^1 a+ \! D/ I$ f+ K1 v: }; B waituntil <condition> prio <integer expression>;
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0 z4 n" a% D; v7 v; y以上为常用的函数！/ V/ X" E! ^! S' O9 f
还有很多，如有需要我把资料发到你邮箱里
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