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发表于 2012-11-13 08:48:12
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1判断语句: O6 h, _! t) ?& B5 N
if <condition> then
; @: u/ Y4 k* U" w* y. Z <statement sequence1>;% }6 k7 h x* H6 _1 U; C' Q4 |+ |( M
elseif <condition> then
! U0 v/ R; `/ @/ Q <statement sequence2>;
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<statement sequence3>;
" s3 j0 ]; X/ h( `1 Q end;6 i: V2 \( ~) l
如果分支比较多，用：$ Q5 z. `3 D. _3 {8 E8 F% J
inspect <expression>) N" X/ Q6 `7 X t1 y! H# g3 ]" Y0 y
when <constant_list> then' {+ j) Q/ o) v& B( z
<statement sequence1>; C1 i' N" q8 A$ W: `3 c& H( |
when <constant_list> then
. u, P; T, D- T7 i8 j7 { <statement sequence2>;
( r: h1 D& v. F ...
$ K4 D) M+ P7 S else: o, \7 S7 `/ B9 T# ]. x9 h4 {
<statement sequence3>;! k1 `4 b% M, z3 V; O+ G
end;
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2循环语句; w0 N6 t) l M7 H) d& @6 d/ }8 u
(1) from <statement sequence1>
; }; y% v0 r9 Q6 M' c until <condition> loop4 h+ ^5 i& ~2 i9 ?6 [+ A2 U A
<statement sequence2>;
6 Q! q; Y) E# ]0 C. x end;
" [" m, I6 r; b2 F9 F9 h- C2 ?% l (2) while <condition> loop. K6 R+ o3 t X! o# Z: }
<statement sequence1>;$ S% P: Q: j" N! X t
end;; q. F" K: Z4 T( q1 p
(3) repeat
; S6 G+ _7 g" j' ^: y5 p2 G <statement sequence1>;7 o T/ ~1 n- i" r) v( G
until <condition>;
/ {) d- q( y+ F& v (4) for <condition> to <condition> loop
: h9 k" }1 P6 S( Y' w( ?# u <statement sequence1>;) l% F& W* ?& L
next;
3 O- L' O `. g- @3 C/ Q3中断语句
' S1 f& q- `" B* { waituntil <condition> prio <integer expression>;, B4 Y5 D2 I3 z+ ^. [5 ~' \/ T: `
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以上为常用的函数！
$ d6 @) S( s' B X还有很多，如有需要我把资料发到你邮箱里
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