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发表于 2012-11-13 08:48:12
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1判断语句4 {- L; x" ?3 X/ @9 R% Y
if <condition> then
" l& m- l! {" ?0 d" Z) | <statement sequence1>;
8 w a4 i6 o V# b elseif <condition> then8 ]0 Z- N O% Z( j# v, K) Y
<statement sequence2>;% i; z1 }2 V( [0 A, e _$ N V
else
8 W, t1 U* K& g# M' ?/ y2 [ <statement sequence3>;
8 l, n# W: A! N- s' \1 ~2 L4 u+ Y. Q end;7 n I& U3 v+ F0 f
如果分支比较多，用：3 o4 k" I4 s5 X' ` g+ T
inspect <expression>
- K P* {0 a" j9 }6 M when <constant_list> then
5 ~, K7 L. J3 r2 b: x8 E <statement sequence1>;/ Z1 N% y! J0 D. h& ]' _4 b
when <constant_list> then
4 U( R$ I! N( {0 o, E; {6 K3 G' t <statement sequence2>;# A1 J9 T8 a3 _- L [0 y) F2 e# p
...
8 b" s- W7 e3 g! j" Y' x else
" ?5 o3 H( a3 l# h <statement sequence3>;
, Q% l9 A4 K" _& {- Z, Pend;
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2循环语句
; W- W& q( f( i/ G (1) from <statement sequence1>
2 ^8 ~% e1 ~8 J# M until <condition> loop
5 I3 ~7 y/ U% ~, k* M- d; [ <statement sequence2>;
$ I& P4 t+ |. ~1 ^6 O* l end;
4 C: _6 Q4 @7 z, Z (2) while <condition> loop0 A- V( S, J( f, w" }# o R2 q [
<statement sequence1>;
]- t+ m9 g# e" y, | end;
( M) z' ? T, W5 i' X7 t ^ (3) repeat
( h1 t0 |3 M9 C. Z$ a Q <statement sequence1>;
/ @' }2 f0 |$ g* P5 ]! \ until <condition>;( y0 e6 y6 s" Q/ w9 C
(4) for <condition> to <condition> loop
6 D1 S- T1 \; ^4 h <statement sequence1>;" V' h; w ?" _0 v3 J8 S
next;- R" x0 \ v* V$ n7 \- U& ^
3中断语句
% m+ Z$ S- X( [' ~ waituntil <condition> prio <integer expression>;
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以上为常用的函数！7 ]( T' Y+ I( Y; G/ J1 Q( [
还有很多，如有需要我把资料发到你邮箱里 ) `) n- k# z1 j( Y3 i: p
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