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发表于 2012-11-13 08:48:12
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1判断语句
# f' Z) q8 o F; ]7 j if <condition> then
( H' ?0 c$ I, x$ l <statement sequence1>;
; T& n, w, F1 `( P- w* i) v elseif <condition> then6 j/ t2 V t" }& ~
<statement sequence2>;
, j8 ~# v! I" z else
' ^' v0 I8 b; W* k6 }, ` <statement sequence3>;' L$ s) @7 x n- M/ ]5 [) S
end;
* K( h" i) x1 H. Y0 U! }如果分支比较多，用：' b- l5 D, @( v$ }2 O& P
inspect <expression>& ~ [/ f4 a- ~2 w! r- U n f: E
when <constant_list> then
* k9 s4 I4 u/ m# [( R: r <statement sequence1>;7 T+ m2 a# G* w+ I
when <constant_list> then. b6 S- t0 U9 R, k3 Q% P6 a
<statement sequence2>;6 `: c' F! W/ d
.... @, U; o0 W l0 t
else( H0 T9 P& \0 p; W
<statement sequence3>;
1 T. Y. S9 i2 v Z& dend;
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2循环语句2 z" f3 L2 \8 O$ E3 C9 Z" T
(1) from <statement sequence1>* C* B5 F6 P9 ~
until <condition> loop! s3 j0 i, n( Y" f
<statement sequence2>;; G0 S. ~$ O# \+ Z
end;
* g0 Q# b/ A) K% T' {( s) l! M (2) while <condition> loop; b( U5 J- c5 T: Z+ E
<statement sequence1>;; C7 r7 t- n. B6 V% {: |
end;& a% c" Y+ U) t# S: ^
(3) repeat
' N; O8 z% Y, _8 x <statement sequence1>;
# U, ]) b. N! {* k+ `2 a/ s until <condition>;. B- M, ^. t: z" Z) ]- @# j
(4) for <condition> to <condition> loop& q5 p, x, z0 W) S2 N
<statement sequence1>;
$ ?. C0 Z' _# m3 J next;; |2 d0 w6 h1 L6 A
3中断语句* b% G3 m; ?: F+ d! B2 ?
waituntil <condition> prio <integer expression>;* b, I! A" H+ l" [% j2 e: G* A4 ]/ ~
6 d B$ B6 X1 K/ O5 ^& z
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以上为常用的函数！
8 P5 Y8 d( j. ?( E( c" d! m还有很多，如有需要我把资料发到你邮箱里 % r' n3 S4 S9 O$ r6 f9 Q0 a F
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3 [+ V' m, G9 k+ d* p- d
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