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发表于 2012-11-13 08:48:12
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1判断语句
7 J' ^- y1 U9 z; R6 `+ \ if <condition> then2 O: Z) ]: S! i5 s" m
<statement sequence1>;- Q4 s& y% R, W" D2 G: ^
elseif <condition> then
/ {0 x5 s+ N7 v, G, X <statement sequence2>;
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<statement sequence3>;/ h& ]8 L9 b, y4 {
end;' F) T: R& B: C/ A: [1 s) O# e
如果分支比较多，用：" B( F( {% g$ y# D2 c9 W
inspect <expression>
3 d9 T* S" I# P7 z" S/ ?" r( ~6 w" p when <constant_list> then
0 e1 f0 ?. G: q6 l$ N. C1 l% K; I <statement sequence1>;5 G# P' e( H6 A0 q O, P
when <constant_list> then
! J& L, d: U" _: Q4 V' j <statement sequence2>;
0 [5 W1 L4 E- t! p4 S ...
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<statement sequence3>;
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2循环语句9 i y( r5 V9 T6 N, H& u' A( D4 Z7 V
(1) from <statement sequence1>
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<statement sequence2>;
, E. ]4 Z" p% `& v& |( N end;
2 x2 a8 S- f8 D (2) while <condition> loop, K6 F9 E' P8 v. c
<statement sequence1>;$ ?; m* T/ f7 t* L2 v5 [
end;4 R: }3 T y! j1 Z
(3) repeat , M( u2 Z% j) p- F) j+ c
<statement sequence1>;
) Y: N a; W1 g9 H1 v' w9 }* p until <condition>;
+ N9 h9 H8 m3 I" u (4) for <condition> to <condition> loop
. u2 t) `! c9 _6 a3 r( F <statement sequence1>;
* _' u. V3 h& J5 `2 n- l \$ U8 @ next;4 c8 B: |" Y' `2 Y p4 B" M
3中断语句+ F9 J, Y* K9 a/ p/ J' K3 {
waituntil <condition> prio <integer expression>;
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* \8 @% b" X d# w/ z9 \( ]" v以上为常用的函数！
G/ ?# W- ^2 N+ d0 v+ N5 S还有很多，如有需要我把资料发到你邮箱里 " F) }- L+ O _8 L) W _
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