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发表于 2012-11-13 08:48:12
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1判断语句9 O: ^% k4 V" ?7 y7 ~ A
if <condition> then
, p+ b- N3 o7 B; [ <statement sequence1>;
( F2 S8 J" F8 q T4 Q* V elseif <condition> then
/ @: w9 n$ X; i5 \" p0 K% ? <statement sequence2>;5 d4 |: D) m5 S" g r, E1 s/ D
else ( J- @! w5 _/ f" L
<statement sequence3>;4 ~" E5 ~1 v3 u8 \: r1 ^' l
end;/ B7 K5 J" g8 e
如果分支比较多，用：
0 j0 o4 B4 Z4 Y* m1 o inspect <expression>
2 `4 q! l; P) [ when <constant_list> then: d. e" A9 j/ {% u
<statement sequence1>;
5 X' B6 @6 j0 O0 r when <constant_list> then5 N+ B: f- c7 p+ q0 }- Z& ^
<statement sequence2>;
8 B: R2 _1 Z3 b' O, {) q ...
' U6 j" i* `$ F" c else" S9 Q* d" [' K! o' v& E6 |) Z
<statement sequence3>;2 `( X" _. ?1 i) [
end;3 z! }; v; c0 g0 r
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2循环语句1 @( {( I( w: W2 o! m
(1) from <statement sequence1>
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<statement sequence2>;# ]5 u _$ p& t8 D& s [, l
end;
7 O J9 h) A: l1 W6 i9 Y" t8 t (2) while <condition> loop, P$ _/ D1 [. n& N
<statement sequence1>;
r; L$ f5 f" C; C' O' h end;4 k7 z( x+ x4 h1 C: R% g( `: d
(3) repeat
' r7 Z) N8 e, Y3 O3 f/ _, A <statement sequence1>;
7 n7 u0 Q7 v5 E. p# e8 u2 T until <condition>;8 T: j+ ?2 B6 x* l6 ~& y: q
(4) for <condition> to <condition> loop; O. ^6 T w. m: r! j4 w
<statement sequence1>;
}- D2 T' R# H1 ~, m9 I1 R next;
. X% G) M. C0 Z) l. K3中断语句
) ~5 [2 f7 t; z) u4 J8 `$ G waituntil <condition> prio <integer expression>;4 I% F) f H) Q$ T
1 z: i# x- Z. F! a, X! r) L, o; j( [
+ `( K1 _& w7 r, V s( ?# P以上为常用的函数！. }4 [$ }* q; o f$ C
还有很多，如有需要我把资料发到你邮箱里
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