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发表于 2012-11-13 08:48:12
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1判断语句
c" A; C- s/ C9 Z if <condition> then$ O- H4 \2 \# L+ `0 ~+ ? x
<statement sequence1>;
: b! n6 Q, L* l2 r& E! t# L8 G elseif <condition> then/ q2 ?# n3 f0 g) T7 w4 j
<statement sequence2>;
_% W+ j) u6 X3 C9 W$ R j else ; m, Y3 }1 i8 ]" R# v2 g( q
<statement sequence3>;% m% o) X% c: D% c+ P
end;6 q3 O8 w H: V+ B
如果分支比较多，用：
9 [/ M" B! ~+ _ inspect <expression>
" R- E! a3 e! v l* d when <constant_list> then/ e0 j3 e6 h k/ c. ~8 t
<statement sequence1>;, @" j* U4 O. ]+ ~ a
when <constant_list> then: l2 d" n3 \( \/ r+ ?
<statement sequence2>;
0 r& P y% H% |' v$ x ...
% r3 w/ b1 r/ \3 p! i+ w1 L1 t else/ s, h9 |5 i5 O, n: i7 ]* a7 Q2 g
<statement sequence3>;( c+ l% e% g9 c! C! [
end;" z/ F$ ]4 L. _% e# B$ w V
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2循环语句
) q6 K1 [2 Z' c1 ~, Y (1) from <statement sequence1>
% `" L" [8 Z, t/ f until <condition> loop
0 ] n- I2 o. X' p1 k* E5 x <statement sequence2>;% }' v* o9 l: j# W( c
end;1 W$ Z( k4 |/ m% u; W m
(2) while <condition> loop
' c. C& r7 S: p <statement sequence1>;
* @, {3 b4 R$ W. A end;
* j; e* p: u4 V (3) repeat
6 T5 z/ J% l# t9 y& H1 X <statement sequence1>;8 k3 q. I/ ]* ]0 l6 i" V( a# }
until <condition>;
+ `* s6 l% y0 ^ O1 H) e (4) for <condition> to <condition> loop" t8 I4 p: O' f: F3 I. J
<statement sequence1>;5 _" g/ x. @8 e! U8 A) m+ F
next;
4 P6 W& q8 A7 P! _0 r" h, O3中断语句
6 s' X& D6 r/ @ waituntil <condition> prio <integer expression>;
- L& ~2 O! i7 |0 f8 y+ n' x# K. P4 y8 x
$ S" E: T3 i) K6 |" F/ `7 x) C以上为常用的函数！
3 R7 a; w4 g- Q还有很多，如有需要我把资料发到你邮箱里 8 J- P4 j( A& X: y3 M
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