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发表于 2012-11-13 08:48:12
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1判断语句" q4 M4 \# \8 B* ]5 x: {' l/ P
if <condition> then
4 t+ B7 g( E* q( N6 x <statement sequence1>;; D- x7 y, \) }2 o2 @
elseif <condition> then; B3 M8 L) Z, Q& A6 z- s! h9 Q
<statement sequence2>;
# Z9 ~( V+ t* M! q+ F% r2 n5 g8 D else
$ }8 |/ H# a/ e+ c2 r4 R. f <statement sequence3>;
- S' A9 \3 h! l. ~2 i+ [ end;
7 V. O& b# H+ x3 W如果分支比较多，用：
$ \ J' S' V9 {, j3 O0 g2 c inspect <expression>+ g6 H6 P7 w) N2 ]- s
when <constant_list> then* L8 } w; v3 b2 V6 m" F& _
<statement sequence1>;* s/ {. S+ J/ D5 s
when <constant_list> then
4 R0 L9 s! h3 R <statement sequence2>;
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else, e2 @ {0 R+ m% W3 `
<statement sequence3>;6 P% k3 e. i+ k4 n: J
end;
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2循环语句) n: O" m0 e' R: n* c. D5 k' u
(1) from <statement sequence1>
6 W; T9 Y+ |4 v$ b until <condition> loop/ p2 U' I0 h" S* ^
<statement sequence2>;
. A3 n% L4 C/ T ] end;
8 a* B" T+ q |; G' k/ ^. s (2) while <condition> loop, r% [; U% V- B5 J# Y
<statement sequence1>;
0 c9 y' Z, @. R/ E: |7 f! w end;
5 f/ C. E' Y- [7 E# a* e (3) repeat : y% r% }3 p) b$ V8 ]4 B
<statement sequence1>;+ G9 Y7 N$ h! m
until <condition>;9 ~# L/ W$ M+ o* b+ W
(4) for <condition> to <condition> loop
, B2 L$ L( C' ?" |2 r. ?% z <statement sequence1>;- a! _! M/ [+ `2 l2 s/ I
next;) w9 l( Q: R0 X; k: S
3中断语句
8 U" ^/ n+ S( c, M- L- q1 B waituntil <condition> prio <integer expression>;
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以上为常用的函数！" m* q% K6 u# V' I* A3 Y
还有很多，如有需要我把资料发到你邮箱里 ' P6 m$ V/ l# k
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