|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句7 P9 K) |& H4 i$ r, ~ |0 z( i
if <condition> then% q7 p7 d* L- Y$ L) `
<statement sequence1>;6 m; |3 h5 l- R7 [( t
elseif <condition> then6 [8 O) G1 n9 r0 _
<statement sequence2>;( ]9 Q2 K1 j9 Y$ R( m; Z1 _
else ( K1 |' |# N7 Q5 J3 t
<statement sequence3>;8 t$ G/ i( G i& y$ ?5 r. ^, U
end;
1 ?. H0 i( X4 w9 d! a; D如果分支比较多，用：
' {5 @. d* o; [$ j! L' `% s5 q inspect <expression>& q f; e5 I' G" J) U$ |6 K6 }/ d# I5 f
when <constant_list> then7 q' Y( i) e: l+ E6 z) h
<statement sequence1>;
- Z- O, [4 I; D8 G2 T2 @' Z) O* | when <constant_list> then+ b4 X/ Q' f$ Z w4 I
<statement sequence2>;
4 T/ T/ c/ a. x) S- Y }' K: M ...
; I, K( u# L& S U i( u7 X else
5 A" P8 J* F( J <statement sequence3>;% ?- u9 {- O7 \# B
end;
, Q" `; m$ o- x, |) S- X1 J
* B$ ?" P. z: G+ e! N0 x2循环语句! m2 O" F5 b4 t% I5 W8 d
(1) from <statement sequence1>7 o$ w+ l& g7 X+ {% j) T+ d
until <condition> loop/ z+ V* _7 s L" b8 u& y
<statement sequence2>;
0 ]4 Z6 ^( T' x5 ], X4 k, l1 b* R end; q, x; j1 G0 q8 d" P) {
(2) while <condition> loop
4 M0 |0 |" m2 m4 H, n4 P <statement sequence1>;0 S$ C4 \! a. Q% }. T2 X z; D
end;1 a+ S! F- p% C6 E
(3) repeat
( h, d$ `+ L6 _' ~' t2 a% | <statement sequence1>;
; I* g1 b9 E7 D' ~# w until <condition>;
) W5 o9 A, D# w0 Y+ L (4) for <condition> to <condition> loop
8 P T% Z' g$ |- y <statement sequence1>;
: N% v* K) Z* b: _1 `8 H next;
& t( X! g5 q/ P7 g3中断语句
# s$ {" v/ B+ m waituntil <condition> prio <integer expression>;
I* K0 a/ o/ }5 b0 `+ o, K* i: ?" i# v+ w3 z: Q4 B& Y7 f
. O' T/ p) X, {5 O2 t- h& |. K
以上为常用的函数！) t; Q( m9 F- ?: B' a
还有很多，如有需要我把资料发到你邮箱里 4 ^8 C% r+ }; ?& l; ?
5 ]2 z1 P4 @" X! q
. @- [& L' ?$ b+ e$ v
3 t$ w2 z' [8 o4 L; a: R
1 d+ h; l# y( ^/ V( _. m/ }$ J
8 O. V" e% e, P& \; z7 m3 }7 b
7 m5 R/ z: f2 H$ W9 C% q# u5 A( N) d) R* H Z# D
" `) f/ U6 c# x# R7 T! b' b3 ^; O
) e; Q# I* C& J. u1 C( { + y& ~! r( r" B2 U0 _" A" h1 d
|
|
[复制链接]
