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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
5 R( ?: ]; d- G* B" s if <condition> then
' _4 a; ~; i; O( m1 Z <statement sequence1>;
7 N( G; C* X, \+ @4 C& U2 J elseif <condition> then# r r/ L6 g8 |3 E: T
<statement sequence2>;" E% Z- c, v, G& x/ D/ H
else
( x" M6 n/ ^& D( D3 x <statement sequence3>;4 t& a- D! Y, f7 x# }& J
end;
8 l5 ?) y* @) a( d如果分支比较多，用：; X0 v( T) F2 `4 r( d7 g
inspect <expression>2 ^$ \3 c( m" Z# ^ {, l3 `! k6 |
when <constant_list> then6 w- ^& K5 l6 X3 i" Z
<statement sequence1>;& }, m. w; {# X% K( O. V
when <constant_list> then* U9 b, j4 y4 Y) V' t" d' a
<statement sequence2>;# d1 ` s& w3 L# P
...
' t9 e; `$ a. m, ^1 r6 e else
+ W* G' ]5 J8 O8 H \, b <statement sequence3>;
' }( m7 x/ ?( s8 c: qend;; q+ h& s5 x' @7 k: _
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2循环语句
" {2 v3 V$ d3 `: q! ] (1) from <statement sequence1>
6 N% B5 V9 V: w: \ m" q4 P until <condition> loop
m5 _" U9 w* |5 s3 l <statement sequence2>;
) Y; G. { e, O4 ` end;9 p* g( t: U% |: E
(2) while <condition> loop) Y( r( N; m. E, g8 [
<statement sequence1>;
' g/ `4 h* q3 L# j( O# l end;
4 M9 q" N2 i% ^ `4 _ (3) repeat 5 A3 w$ `4 L ^& [$ ^( q
<statement sequence1>;
6 ?+ I7 J5 z( C5 r2 O+ K9 d" t( E6 u until <condition>;
! `* U1 d9 H. ] (4) for <condition> to <condition> loop- ^7 b4 v/ w$ T1 q7 }) W, F" Q" F
<statement sequence1>;
$ `: k' F" s3 \4 M' F7 M next;
8 A- T5 I' R1 U5 A; X5 e# ?3中断语句6 B B0 F5 P, a% \9 P: m- k
waituntil <condition> prio <integer expression>;
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( p$ v2 W" T b3 e8 T' J" C( P以上为常用的函数！
* v. y% b4 p0 J7 G% b/ r3 K2 l还有很多，如有需要我把资料发到你邮箱里 9 ^, A. G, `5 G; q
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0 Q+ O# A& I& r$ \4 W6 E0 m1 ]: I- E0 U/ H% T/ \
1 H% r; ^$ ]& k' j+ s3 a7 W4 l! `8 [( l' `2 l
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