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发表于 2012-11-13 08:48:12
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1判断语句) K( _6 B4 i9 m
if <condition> then- ^6 K7 f! a' c
<statement sequence1>;. V$ w8 Y& I" p
elseif <condition> then
* o, `. L: V' I9 H0 Q <statement sequence2>;; L& \) P& y6 Z3 w& l) R5 q
else
3 N* }# ]1 e, r <statement sequence3>;
8 v3 A: q5 s$ w6 I9 i1 { end;
' S& j3 K7 ^. Q$ k' R' t如果分支比较多，用： L& z, O) O, y; f9 g5 q/ `, C
inspect <expression>0 {8 u/ {! ~: c, c# q) W/ O1 h
when <constant_list> then' h6 d" Y' ~1 F+ e' _& p' }& M- x
<statement sequence1>;; g; Z, P: X+ N
when <constant_list> then
! g( Y8 B2 L# ? <statement sequence2>;4 Q4 m j/ H' q" {
...
( l) I4 X. v$ b4 \1 E; S/ s9 x else
8 }& p; B0 P. b <statement sequence3>;4 X" K. x0 G; q9 y0 K1 X# c3 q
end;
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) g) ~6 {4 h$ }& q% b2循环语句4 u+ m* I" C/ U
(1) from <statement sequence1>
8 p' E4 \" [- V! l9 c5 D& d/ l; A until <condition> loop
: v& C% b* E/ G' @; c1 r <statement sequence2>;
8 T0 j4 K: o# X end;! H3 z" }) F+ j& T' m, Z4 n5 { u
(2) while <condition> loop; F( I2 k; p9 R% r& g3 H
<statement sequence1>;
3 q3 f4 _% R$ i3 D7 g end;
2 q! ^, b' K. T2 M' _( W6 b. v (3) repeat 9 W8 e2 E, s8 P1 d( y
<statement sequence1>;
$ r' z' E* y# m$ h4 P' d until <condition>;9 c4 L8 j- A) J2 N# |/ r4 O* g
(4) for <condition> to <condition> loop: Z, _5 P& g: z
<statement sequence1>;* j6 j! q; w3 E# X3 I2 K( |
next;
k% A3 J! d- `, n3中断语句. q6 w; R5 s1 W; }9 m) Y+ h6 f
waituntil <condition> prio <integer expression>;
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* v3 a8 _. \/ B( R+ g
以上为常用的函数！
H# G! y C' ~% h$ U还有很多，如有需要我把资料发到你邮箱里
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