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发表于 2012-11-13 08:48:12
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1判断语句
/ x6 Z* J2 _3 p: e& |3 m. Q if <condition> then6 y6 `" F2 @: X* r8 x) o
<statement sequence1>;! g2 T5 ~; m/ ^+ @& ~) H- E
elseif <condition> then' ]! y/ E6 Z. m( o
<statement sequence2>;8 D' @9 E8 W; P+ ~# T* r, g; E
else
0 @& Z; D9 p0 H <statement sequence3>;
3 ^+ V! H3 A1 d6 D end;
: i4 K- V. ~* w如果分支比较多，用：: c/ u- U% y2 y. P, k5 {
inspect <expression>; J4 Q6 i; _ x6 v' d
when <constant_list> then4 j' f& z' z0 c+ t
<statement sequence1>;
8 l$ X+ {0 K) K* M when <constant_list> then/ R2 p: _' l) p( O8 S# Q2 m
<statement sequence2>;2 g' L l2 }) V4 E
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else1 t+ x! y! I$ L' r1 m3 f
<statement sequence3>;
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" L3 U8 K# t- k( m2 W2循环语句
( ^ V- n2 Y. B5 U. j2 u9 h1 m (1) from <statement sequence1>
8 i t3 |) ^2 n+ U$ Y8 S until <condition> loop
, ?# g" u0 X i3 O/ ? r( b <statement sequence2>;
, @7 d6 F( y/ L$ F! z2 K: w end;% c; N: W7 l; Y5 D# Z4 v9 v5 Q* ]
(2) while <condition> loop |, ^/ U+ K5 @, D; B
<statement sequence1>;
9 t/ v( P0 O! f end;2 O6 S" r. w& {, j7 M
(3) repeat
+ X* x& _# m& j" w" l* @; v; N <statement sequence1>;
0 b% W! X2 V! w) g% X* ? until <condition>;
9 J4 B9 l; n5 Y# i5 a8 `3 o (4) for <condition> to <condition> loop
9 f. C7 j& E; v L <statement sequence1>; L4 N' ?& X- F7 f6 x
next;
9 I6 S6 {; H- b, P- z% T; N3中断语句) ^+ {9 B7 z$ [9 e& j
waituntil <condition> prio <integer expression>;0 M$ r; W' o5 e, F$ t0 \) C9 X
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以上为常用的函数！- d/ O! C) y8 R# n( [: [! B4 {
还有很多，如有需要我把资料发到你邮箱里 + S% L" M2 Z; u8 Q6 O7 j
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