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发表于 2012-11-13 08:48:12
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1判断语句, E7 K6 l6 L) Y# u
if <condition> then
( @% m: @9 E! q* E <statement sequence1>;- R' d2 C+ Y! S9 U5 r" s
elseif <condition> then
. w! {3 _- x( G: ?* R <statement sequence2>;& u+ V/ ]2 {: a9 Y: t$ ]4 o
else
( g# D" ^, y8 Y% z <statement sequence3>;8 h( t( P( I0 P/ I) y
end;/ J1 W; U. u4 p5 Y1 ^$ ?9 t
如果分支比较多，用：
* D3 `( E% {7 G( d) Y& j9 w5 U4 Z inspect <expression>7 g7 c" I( N7 a: }
when <constant_list> then! P3 a, [8 s5 {4 w
<statement sequence1>;, ] ~& ~# @! [% u9 L
when <constant_list> then
# j/ K5 a0 Z$ b9 ^) `( @7 j! U <statement sequence2>;2 @3 k6 Y( I0 V2 s6 U
...4 x& t* |0 x+ Y/ Y9 P0 z
else8 A0 j2 }# E1 e/ O. w' N* | n
<statement sequence3>;
' e0 R/ r' D3 X) ]0 Uend;- E1 q! u- n, T, r% J
& [7 Z$ t4 G, a5 @% `2循环语句
G7 t9 z0 Z8 `& w$ v/ r (1) from <statement sequence1>6 w' I1 F0 M6 ?: V" _+ O: ]+ M, i
until <condition> loop. \& u9 o5 Q- q& I9 M1 U( f. n
<statement sequence2>;
0 S2 `! M- [1 p3 g% U1 g end;& y- I" K$ }: l. d3 [% t4 C
(2) while <condition> loop
: O' W6 X+ U' d, G$ [; m( ] <statement sequence1>;7 N1 Z z: z. I) B' ~
end;
( T+ X X1 c: t Q" W. @3 `4 l" ] (3) repeat
- A( t, u6 d( u1 [ <statement sequence1>;
) i q9 r+ k5 W4 H0 p$ F, E8 D4 ^ K until <condition>;5 R- p4 R$ m4 o2 L3 R
(4) for <condition> to <condition> loop& Y# p' D: G5 ]3 y
<statement sequence1>;
" S: g G O, |3 U& g next;& o5 S7 n) Z' @5 a. b' ^8 a' I
3中断语句: i2 m( g+ a! K( G! t; U0 M0 t0 i
waituntil <condition> prio <integer expression>;
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/ c, D& g/ C! O/ G, c$ I以上为常用的函数！
. J. G/ g0 f" h3 @0 a: V- K还有很多，如有需要我把资料发到你邮箱里
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