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发表于 2012-11-13 08:48:12
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1判断语句, e% q* F! u0 o
if <condition> then
2 t( Y/ v) ~# s6 t' Y. |& ? <statement sequence1>;, {5 H0 y' L& j9 K. p3 n0 i6 {7 D
elseif <condition> then. y- W0 `! y" O6 N/ [* B2 P+ B
<statement sequence2>;1 H8 w# Y( v* u* H: M% x
else - ]) ` C6 A/ e1 g/ v( H L# M" R2 S
<statement sequence3>;
. C. f- ^3 f4 y% O9 r, g! O/ u end;
& \" N" j5 a% G5 z, ]如果分支比较多，用：
$ v1 J. a7 J3 w5 u inspect <expression>3 [ r' L7 C: V9 `$ k4 M
when <constant_list> then
; n$ p6 A* _* d) d <statement sequence1>;9 ?. {. E1 L2 }+ B
when <constant_list> then
. P3 r. q3 P) w1 | <statement sequence2>;/ {5 a4 W8 f) V8 ~: {+ D
...
! x* d( f- n# \# b1 l$ E else
0 ~( \$ \4 B. W. |& } <statement sequence3>;
) w# k. [9 d- wend;% P& U( F$ k( L
. }9 T6 Z$ e0 B/ V% V4 P2循环语句5 f: I2 ^ S3 j, |
(1) from <statement sequence1>
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$ R6 z* _, Z- J+ b- N <statement sequence2>;
: f" z8 X9 C8 V# M; ? end;
6 A: |$ \; D' m0 k4 H( S (2) while <condition> loop) j% ?+ ]9 a9 |' |. k
<statement sequence1>;& R( w% o L0 a1 ]( v/ l3 `. n
end;
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<statement sequence1>;
( q8 `9 ]9 V) G, H s until <condition>;: F( Y- M- a l) M/ x; ]) [3 T
(4) for <condition> to <condition> loop+ w* J0 p! R) v
<statement sequence1>;
+ U. B. C+ [( p. x9 m" Y next;5 \# B6 h- ~9 i
3中断语句
: a" m6 I* a8 |4 l/ E( s waituntil <condition> prio <integer expression>;! G1 Y& g+ M0 V) C0 o
" k2 ^$ m s& r1 v' x
8 _( p3 M$ @3 M& k$ L2 R以上为常用的函数！ f0 }! E# M$ ~: n \! x/ v
还有很多，如有需要我把资料发到你邮箱里
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