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发表于 2012-11-13 08:48:12
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1判断语句
" \+ ~, U/ k7 n! p' g, Z( G3 B6 T if <condition> then: d3 P) W3 b9 K8 I& }
<statement sequence1>;
8 B8 s. B- Y) { elseif <condition> then
* J8 [6 s Y( K. J ?' |: r <statement sequence2>;/ v( U; C3 F0 y7 D5 e/ A* _2 d
else & l* H7 j9 U, d E- d
<statement sequence3>; \/ R8 d; Q8 Y! W3 U1 P
end;
+ t% m# J% _3 o1 b U+ |( {如果分支比较多，用：- v$ h& @% G+ L( f! @2 l0 _
inspect <expression>) I/ ?3 n$ s* i# S7 l% i) w) }
when <constant_list> then1 F7 b4 J7 @# U3 ~
<statement sequence1>;
8 b/ L4 x, C1 a# J! O1 G when <constant_list> then
4 [2 W6 P5 }3 J n6 @ <statement sequence2>;
# F, B7 W! u4 b8 J5 u ...
7 x) A7 v& |8 x3 ~ else
# m/ {+ `9 r$ g& c6 N <statement sequence3>;
6 w' }8 f2 W( B2 h9 y; uend;
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2循环语句" j: I' }2 R5 o+ f) S
(1) from <statement sequence1>$ a. z- k: h* u y0 d, P
until <condition> loop/ @2 m1 a/ ]7 l, d$ d A- R
<statement sequence2>;
5 S/ y+ |: [" [6 I& B0 ]+ ^ end;) z7 \, |; Z9 y4 K; ^
(2) while <condition> loop
0 E8 T1 y9 a& S8 Z, E! M <statement sequence1>;6 z" `: D2 h& |! B. x
end;! m! k; O9 a# z, t6 ]1 o0 J' t/ `$ G
(3) repeat
f/ c z6 f# ^- |9 k <statement sequence1>;$ J* y2 z! X& F# ]$ g
until <condition>;8 b3 F. s- R/ p9 t
(4) for <condition> to <condition> loop0 |2 M* Q R* f! s. W) o
<statement sequence1>;% e: o* H. w) o( y
next;
4 n4 P+ ?8 Q$ w0 ]' ^3中断语句0 I, |, [+ P( G+ V
waituntil <condition> prio <integer expression>;- S$ J$ Q* F. _ y6 f. v
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+ p ~( o: N- J0 `5 u4 `7 l! f6 d
以上为常用的函数！
5 Z% Z* e4 e \* D# r% W) A4 r还有很多，如有需要我把资料发到你邮箱里
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