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发表于 2012-11-13 08:48:12
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1判断语句5 h% r" j3 b" L d' J2 K
if <condition> then; C8 n& i: u* h! g/ f
<statement sequence1>;6 C) X: z9 b( }" i' `# p
elseif <condition> then
3 r! y& u9 |9 Z Q- I5 q <statement sequence2>;* l9 }* {. ]1 h5 @' @
else . ^4 t/ n0 w+ c8 K% X8 C8 n
<statement sequence3>;
3 u; m0 L$ A5 S' X4 b5 r end;
6 E8 ~9 G" U9 s0 ~, F8 {如果分支比较多，用：7 N/ y4 Q9 z) {
inspect <expression>
( j3 d2 f% |* W$ A* e when <constant_list> then
4 `: b/ q) E3 l' `* I8 A <statement sequence1>;9 N8 |" ^8 q" b; M4 D% c" f! i$ }
when <constant_list> then
2 Q( c# j2 c/ c, t+ F0 J" O <statement sequence2>;5 S6 n- v' D, u+ I9 ` f8 m
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else
U: U f D$ y, Q7 Z <statement sequence3>;6 H; _/ N& Y9 l3 R, s. g. k! T
end;
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& T! T3 ^( p3 q4 i2循环语句4 U/ O3 x2 T. O0 N
(1) from <statement sequence1>( C8 V& g7 N4 O+ l! Q8 Q1 U3 X' r
until <condition> loop
$ \' ^" L8 s" [+ U# Z& ?; l! h0 J <statement sequence2>;
# z: K5 x$ V' p: o+ X9 @* b9 { end;6 A. {) u- `% U( Z7 d. U
(2) while <condition> loop
1 S, Q5 T" o2 g: ~6 T <statement sequence1>;6 O2 `! m9 z1 f5 V% ^
end;7 s# q. R5 A- ~
(3) repeat 9 r% O4 e9 g& B
<statement sequence1>; O1 {2 d* t0 X5 M/ c
until <condition>;
. N& Q% \" l/ W7 {2 V (4) for <condition> to <condition> loop% l1 G" {) y) e" b$ e$ P3 P
<statement sequence1>;
' r! z' u& ]% T! {: E next;
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waituntil <condition> prio <integer expression>;
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2 i" q4 p; E( S0 k8 h9 r4 ~以上为常用的函数！
. G# c5 C2 E: e6 D+ f还有很多，如有需要我把资料发到你邮箱里 ( \, ~( D: g1 w+ l. U5 h
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