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发表于 2012-11-13 08:48:12
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1判断语句
J& f+ I) L; y& x" v6 | if <condition> then3 z) T B- F+ ]
<statement sequence1>;6 N; v% O; V* q% k) b6 R$ I
elseif <condition> then J" j: ^' b7 P- _
<statement sequence2>;& Y- `2 f; ?3 x1 V7 r) E m
else
9 y8 N1 A9 s! U# k" G <statement sequence3>;1 W2 t, d* _3 s$ Q( F5 l
end;2 A2 P: Y! l7 e8 x; ^& m% W# Z
如果分支比较多，用：- h6 v8 N- w: r) \! a3 |. h
inspect <expression>& s9 A$ \8 V- L4 `* i9 m- q$ F
when <constant_list> then
+ D+ B6 S/ J- A/ h2 b <statement sequence1>;
! Q/ C( z1 Y. A) f g2 P when <constant_list> then/ x- G( |( t: } ?
<statement sequence2>;3 i) ~& a, y7 n/ B( b% X
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else6 ^; F1 p6 `/ ^" f6 A. b% l) E
<statement sequence3>;" @( ]: C( _# F2 c; M9 k& F( h" [
end;
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2循环语句
4 Z! i% p. a" x7 }/ k% C4 N3 ` (1) from <statement sequence1>
/ _+ O: m3 \& M# R until <condition> loop! S% n f5 C t6 V* H( b: `
<statement sequence2>;
! {! f9 r! h. Y4 m6 g7 ]; c end;
& j- X/ p" u# m8 i (2) while <condition> loop
- r/ {2 M; {2 p1 O* y, d. ? <statement sequence1>;
0 B4 S2 R& J m. d4 F end;: \5 t* }4 r6 C/ V4 J( \$ c3 o
(3) repeat 4 J& ?1 K2 K$ q& u5 J
<statement sequence1>;- q" a$ W- |3 M: ^0 j3 w4 W- |2 d
until <condition>;; J, d1 x, _8 A' F$ ^3 ~. y
(4) for <condition> to <condition> loop
4 F8 C: D* |4 c3 n4 x5 G* x' J <statement sequence1>;
5 W% W( M: _ l: }) m# { next;
( x; W: A7 h% ?. e! v3中断语句' i) ~/ ^9 M! u* G! w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* W3 P- _# q" l/ B还有很多，如有需要我把资料发到你邮箱里 7 ?) j% e4 s6 Y/ s4 U4 K
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