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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
' [" s0 b6 P! ^ M8 T4 a if <condition> then
1 S8 I6 J+ o8 `+ k: g <statement sequence1>;
4 x0 w$ R% ]* f! m# y elseif <condition> then
\4 J- t. b. e5 d5 n <statement sequence2>;
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<statement sequence3>;) o1 i" s: o1 V0 ~- f m
end;
, O9 F8 i. y( j7 z q5 F8 p如果分支比较多，用：
0 y( ?3 ^* k# A: l2 d$ z7 ? inspect <expression>+ g3 \2 j$ p9 ? l: P
when <constant_list> then
4 `) ~( n/ a$ v5 m# { <statement sequence1>;1 e- _6 u% |. j0 t( _; g( G4 ^
when <constant_list> then
$ I. [( p2 h9 u8 J <statement sequence2>;
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else; G. D- V7 w7 p8 D& C% _9 _3 }
<statement sequence3>;0 M4 }! _$ I$ D, U. ~
end;, E& t- \" b6 C9 k: _0 a# z% T4 G( ]
# O/ g7 n+ n- @& _- v+ U& `/ |2循环语句2 W1 s C0 Z' X' O
(1) from <statement sequence1>7 ]+ E/ i) U u2 C( B
until <condition> loop- g7 P' q6 f* e# a
<statement sequence2>;7 w$ s0 x' B8 v5 L
end;- Z& b' P+ ^* l
(2) while <condition> loop
8 |8 @3 v& G$ y <statement sequence1>;
. Z8 ?# u5 G' y: l0 d# r end;
" B: ~' a0 }( A Z3 s5 _ n; \ (3) repeat
3 P# D4 q3 I G5 r9 F7 ^1 Q" c <statement sequence1>; G" _" K7 R* z% P$ M
until <condition>;
# t3 e8 F0 x- R9 u8 `' G (4) for <condition> to <condition> loop
$ M4 E9 `) w) _0 B& a7 s* X& r <statement sequence1>;. B5 f" J/ s) c. {- O
next;0 `& r( B* C% \( V" ?# I" {
3中断语句$ Z. V; m) E/ I/ |
waituntil <condition> prio <integer expression>;
8 X' b6 w0 [" ?
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; W1 O8 ]- H) v" t6 k9 m8 Z以上为常用的函数！2 F0 T) A" p8 S8 E
还有很多，如有需要我把资料发到你邮箱里
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