|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句: p+ T: F2 F; G. p2 V
if <condition> then
4 q5 u" \1 [ o8 @ <statement sequence1>;
( z: W- X5 f( c6 T; f f* s3 M7 t7 H0 y elseif <condition> then
' p/ k5 `8 d6 G8 c0 v, l& _ <statement sequence2>;8 f! n, K# N% u' k6 z
else / ^" a2 t$ {; J8 b, m. c
<statement sequence3>;. v, G1 G* y4 C. R+ m0 ?5 G
end;- q8 X- e6 ~6 g4 p6 P" V
如果分支比较多,用:- k3 Y/ ~1 c$ }2 F/ I `6 T5 C) p
inspect <expression>
4 S% c1 h0 {* @+ D/ T* Z2 ~ when <constant_list> then, V* u+ ~ F1 S9 ]8 b+ p* p) g
<statement sequence1>;4 ~6 i( Y# n& Z& R0 k
when <constant_list> then
7 y5 J% @/ {" E7 h+ H8 V <statement sequence2>;
- W. m4 ?8 d- h! H ...2 A e0 ^: ~9 n9 _( G5 N" m
else
; _1 g0 `- v" Q4 \, D$ m8 ? <statement sequence3>;
0 d6 Q$ T3 z7 i- send;
$ a* e$ U( b# L! I5 d) Z. z# C4 x" s* y( b7 M
2循环语句2 \+ W2 I+ j2 }; s1 q
(1) from <statement sequence1> P5 C! t7 g3 \8 \! R7 |0 K
until <condition> loop
# y: ^7 H1 u" h( k. c5 j <statement sequence2>;
0 |" ?0 I( \6 m5 _. d) h2 u end;7 W: s# |# v0 i5 C& A+ g" N
(2) while <condition> loop7 ]7 f, P7 A% Q& K( p) T. N- L7 y
<statement sequence1>;
- t: W0 f2 i2 E4 N& w! h8 C end;, D' z7 X8 e# u+ T; S: s3 S
(3) repeat # Z2 [$ w5 Q2 c: g7 L
<statement sequence1>;
4 E" i1 ]( C& I2 M8 d until <condition>;8 U( q7 R1 u! ?& C: h
(4) for <condition> to <condition> loop
) ^( m1 w9 m% \; O! R <statement sequence1>;8 d7 h: ?( r s# Z5 k% v
next;5 B3 l8 S/ R+ c4 e( i: s
3中断语句5 R/ U- j9 m2 \/ ~& o' } y
waituntil <condition> prio <integer expression>; b7 R# U& t. A2 m6 N% w& Y
4 ?6 K% Q6 a; V, _) I
& d2 \4 K% g% _2 v8 d以上为常用的函数!- I, J. d0 m' L: b, m k2 Z
还有很多,如有需要我把资料发到你邮箱里
( j8 }; U) x' d9 r8 p( d7 h
; m* h# J7 _: ^, z w$ h# l4 P; O* ^ w" b9 a- \8 M( W2 B' R
! w4 X, {* W$ i; e/ a
2 L1 N9 G Y K* b
+ |- a- B i3 N2 P9 m. B3 U; `! |) U( I L) q+ I1 h6 T& p
" j2 C* ?! H. [9 _0 \% M; A
/ c4 n, [6 E! G$ n- Q# k% C0 x0 I1 l4 U" D, c5 p3 O
/ ^, O c0 u P f& d3 {
|
|