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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 m8 p; d* L! @+ P, `/ D if <condition> then' v, l4 d3 t1 G9 D5 `
<statement sequence1>;2 C. ^! _7 \; D8 E% e0 U+ ], l
elseif <condition> then
4 x7 T9 ]: L1 B# R <statement sequence2>;/ \* q; \0 |# V$ Q6 l
else ' P4 u- }: {5 ^5 c' [" c# W g
<statement sequence3>;' o: B5 X4 v7 i( H
end;
i, I+ ^5 }6 s# V7 \+ Q, V' T如果分支比较多，用：' @7 S9 ?4 R' W& s
inspect <expression>2 A8 G: x" [3 P0 k5 k
when <constant_list> then1 {6 }) k! P! H) ~- F) k
<statement sequence1>;
/ d' b3 ?; u5 a) Y when <constant_list> then- x1 U6 n0 v- h+ o% x7 a( G! }( O
<statement sequence2>;
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else3 U1 s/ n' l0 {/ F- R8 x! `
<statement sequence3>;* [$ ^# l3 ?. ^6 f
end;
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2循环语句
% B; n7 w- }+ m/ p (1) from <statement sequence1>
: h9 s2 U) _1 }/ `$ h% B$ g until <condition> loop
/ Z0 i4 V( D6 H: r, E <statement sequence2>;
6 n0 I0 F t; g- N; A end;
5 g* \# I' e1 N" b: d7 t p (2) while <condition> loop
9 a2 i8 @5 Y5 @- Y& G <statement sequence1>;- ]: [6 U' q7 A/ b6 N& P, q
end;
6 r* s+ Y7 O: a) s! \; Z (3) repeat 8 S x2 y) `- h- U
<statement sequence1>;( P5 R) Q& j: x; i6 m* z* [1 m
until <condition>;
2 V8 B% _* ]# U (4) for <condition> to <condition> loop
. H: Y ~- p; `! t! m" ~3 U B/ G <statement sequence1>; l0 {& ?* }2 ~% Z4 _! J
next;
8 B8 o6 A0 Q( E; {/ C- a" }3中断语句
6 C' H, _& f7 o) N: A" S, |: N waituntil <condition> prio <integer expression>;
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8 @; Q7 w: a' r$ h以上为常用的函数！
6 w+ T& }5 Y' R还有很多，如有需要我把资料发到你邮箱里 / @: \% s7 I* V: v7 E
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