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发表于 2012-11-13 08:48:12
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1判断语句2 U& e0 q9 V) r# B3 B" ^9 B
if <condition> then
( H; y& L! \6 s' b0 U <statement sequence1>;
+ [; x7 q2 C2 P' o elseif <condition> then/ K% c9 L, X2 Y" }$ t6 N5 `
<statement sequence2>;. I% `) c" a+ S8 G
else 7 a2 d& C4 K* H' f( s6 R) m8 h- [
<statement sequence3>;
+ x3 h0 t, h( s end;+ e6 L/ I8 [: {/ [- C
如果分支比较多，用：# e: ? l% a0 }
inspect <expression>$ A$ x1 w# |/ o' X
when <constant_list> then& G$ k& _9 S5 D8 G, Q
<statement sequence1>;
. h8 Q3 E, L: S3 Z0 U when <constant_list> then$ p1 r0 D9 z4 A; q3 ?/ F
<statement sequence2>;) A: W% P* P# a# P
...
1 P8 g; a4 s0 v u9 {+ Q9 v else
/ [" e( P5 N$ n1 b0 I# G <statement sequence3>;
9 Z( C% U. u; G! \" c4 _end;
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2循环语句* z9 r$ _: p5 X9 u1 m) ^
(1) from <statement sequence1>$ g5 r/ _' T w- L* T$ K7 |2 A
until <condition> loop
, S `9 I3 S3 W <statement sequence2>;# E- Q8 ^& `& Y% J& K; S
end;9 N1 T0 [0 I6 X3 U" d4 Z/ D
(2) while <condition> loop
- k! l7 I) Z' u7 Q& h* P u. @ <statement sequence1>;
2 h* U/ \8 w. r. s end;
" U3 c( p) C* O( [ (3) repeat ( y8 p- }/ A' J6 y+ P6 [
<statement sequence1>;
* I" B' h& d2 D) H0 G until <condition>;
* X# F; L6 l+ P: M# q0 I (4) for <condition> to <condition> loop
7 f6 y' q! p% O$ J( x7 B <statement sequence1>;
! h$ P: J. `+ P5 U next;) t) S% M' M s
3中断语句
1 z Y4 I p$ K) `5 u9 n waituntil <condition> prio <integer expression>;: q# q2 O( h3 ?
}# A; R; J5 k r B. Y
) P6 o7 ? | I9 I以上为常用的函数！
, W* \+ I- ~6 v3 u! T0 B- y$ u还有很多，如有需要我把资料发到你邮箱里
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