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发表于 2012-11-13 08:48:12
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1判断语句6 Z2 E* a* u+ ^
if <condition> then
e: }# v2 w+ y5 T <statement sequence1>;
) G) M- m& b& I/ u0 `* E elseif <condition> then
: J( d6 Y& |! Y/ L' m <statement sequence2>;
0 P9 b8 O$ a4 p9 Y" D else
1 l, k7 l! k+ J' @0 ^* o <statement sequence3>;1 G0 ` w5 T# j) `) B2 }( n
end;( ]' v2 O% J3 l& [: W5 y+ J
如果分支比较多，用：
# v. } |8 x8 C& X) Q6 h0 f6 n9 ? inspect <expression>6 }/ H; L: |2 a' i8 D
when <constant_list> then
% Y9 ]- q* T; [: s <statement sequence1>;8 G7 q7 v0 b7 H: ^
when <constant_list> then6 O$ Q6 U5 X4 r7 _& }. i* E1 P
<statement sequence2>;6 `; g2 T Z6 f. S* A
...
5 H9 E/ z, I; I. X7 X else
: a- X h) Z, J6 Y6 J4 |0 { <statement sequence3>;
0 W6 X% V% G' O1 B, |7 [" }end;2 {# r4 G/ `+ p" Z/ l
* F, P8 n6 r# j0 w2循环语句
7 _. |5 r, i z" q1 ` (1) from <statement sequence1>
. y6 x% i0 Y& K until <condition> loop4 \7 W/ c( d# t. k
<statement sequence2>;. n# I6 E. F9 z. a7 f+ _
end;. z# g& J+ J4 }4 K( H7 }
(2) while <condition> loop& g `5 ]% `. Y" }
<statement sequence1>;( N8 G' F' S# n7 q& i5 x% {
end;2 m6 j* T5 O, g- P* u G8 d
(3) repeat
+ ]2 r- e( s$ c. Y- A+ r <statement sequence1>;
$ G, c# z m& |/ T) a until <condition>;
5 N0 I+ w* t( K; Z& z (4) for <condition> to <condition> loop
/ U, W3 B% }& w <statement sequence1>;! T! H+ r3 Q$ a5 m# v
next;4 E) B8 J: E1 V. G9 `4 B
3中断语句8 A7 K- F# o3 s. K
waituntil <condition> prio <integer expression>;
* r# k# d9 f/ z3 R7 w0 Q4 P/ I8 \! y& k; {, O, Q' e" s/ x
+ J- M) s# ]# u. h以上为常用的函数！ U! U8 A7 M4 ?4 x- m% r1 y! q
还有很多，如有需要我把资料发到你邮箱里
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