|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 c# L3 h0 W5 H if <condition> then. ]. c" R! R! ]% m
<statement sequence1>;. x) \7 k \4 l6 ~$ R
elseif <condition> then
- t2 i h0 a/ K5 s: N: J: ?) t5 \7 Y& _ <statement sequence2>;* ~: ]( e) C6 [" v5 G
else
0 ~( u% q6 |# Z' |2 m; G$ n3 ] <statement sequence3>;
1 O* ?! a' h6 F' Q) T7 k3 y% o. P- P end;! x+ R9 u! e0 S) G
如果分支比较多，用：7 A$ }7 x: P. Z) ]0 v
inspect <expression># V, H, y+ E+ B
when <constant_list> then& i3 i4 q: S$ Y- h; d
<statement sequence1>;
1 B6 C) R9 W/ D! \% S! Q4 h* ]' z when <constant_list> then
/ Q% @/ Z* y! z( Q! u* g$ b: a <statement sequence2>;% ?" R: J, J1 j1 O q. P; m
...
5 D, a4 g0 X3 U3 [0 o2 n, i else3 G' }% D$ I! |" c( Y+ E6 j2 l8 c
<statement sequence3>;
0 ?7 W( J' P0 a ]# ]& K1 c8 \end;
2 ]* E% v9 J$ e3 B1 x# F" A2 {/ x( \% Q9 N# W; X2 u' x
2循环语句
4 [7 v9 g1 g# B$ s (1) from <statement sequence1>
: i. \: p% H4 c7 ^6 u* t until <condition> loop
* R4 k P# H: |& W) ^) Q <statement sequence2>;
+ C( h5 [7 p1 |' E# J end;) t/ R+ I$ e r7 z- e3 D
(2) while <condition> loop
) h2 m1 L2 ]) T7 q( {5 R <statement sequence1>;) t' r2 w0 y8 ^
end;2 v2 f' ~7 O# F. V) B
(3) repeat
8 Q: Z0 v8 D o2 O <statement sequence1>;: I( g6 D1 K, r. J5 L1 u: m
until <condition>;
. I9 [/ N! F# V$ F/ }; x/ g (4) for <condition> to <condition> loop! }( s8 ^' R' y# X
<statement sequence1>;
2 e1 V! {2 y; z& \0 {: M5 m next;
0 e0 g# i/ \% W3 d6 q) n2 m4 c3中断语句
" Q+ s0 T" S9 h! e waituntil <condition> prio <integer expression>;
2 L9 R3 |2 W: T
$ C. H1 P) [9 b# P+ q! q7 {+ d' w& u4 f) s# ]
以上为常用的函数！- V: c6 t: V& ~$ _$ c2 H
还有很多，如有需要我把资料发到你邮箱里
" [/ D5 a; U2 {0 U
& m" Q; O9 a( N4 K7 G, @+ ~/ j% D. f% Q/ j7 D$ Q6 r
* e0 \' j6 G7 v) S; ]( X
3 g- `9 M( T# O+ ~
" y% F; q4 K) X% z! ]- H) b/ L( a6 E
" W+ }, Y! n( P: ^. D
" O2 i) q: A( n% ^7 M/ @: O [5 b; {4 k% j2 \2 J% e) ~
" p% Y/ r0 P& ^, N! d* a; Y5 v" N |
|
[复制链接]
