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发表于 2012-11-13 08:48:12
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1判断语句/ p( x, J& r! ?4 j7 C0 c' t
if <condition> then
: {, e; X. q' g( v4 [& k8 e <statement sequence1>;
$ j! D* _ C9 T+ i2 [ elseif <condition> then
7 T5 q) d% _; e V, I3 c <statement sequence2>;( s* {6 f* I; I- g# Q
else
5 J* O( Z) Z) ]& v6 l( a <statement sequence3>;
% P, I0 D+ k7 n5 u- W end;% \7 h" o$ M `/ Z
如果分支比较多，用：
9 U {8 |7 H8 L4 Z7 z) o inspect <expression>
$ Z2 ^6 b) f6 E) m/ v when <constant_list> then3 y( F: `5 a! t
<statement sequence1>;
9 N; `3 ?9 G' x% V/ A when <constant_list> then
0 o4 }" E% r; @2 X7 m+ }& { <statement sequence2>;
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else2 ]& V8 Q6 L7 ]) j
<statement sequence3>;
& q, z0 Q1 z$ F5 n2 iend;+ X0 _# ?0 P, |$ z7 y7 ~
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2循环语句
8 a6 }8 I# H" e' T (1) from <statement sequence1>1 a$ c9 v, O9 U
until <condition> loop+ Q/ H, R+ c, S. c( [/ R
<statement sequence2>;# ~6 e2 A8 Z$ W- T" s
end;- X/ P# u+ i" a& O+ w
(2) while <condition> loop
+ u ?8 V/ y' ^; q8 p8 V& k! q <statement sequence1>;5 z" {5 W3 q6 F$ m) h
end;: K: O: e( q2 i( G( l' C5 p: ?
(3) repeat
) W s% p) W1 j1 X! m <statement sequence1>;
" [5 d4 S, v# q8 W' Z( f+ i until <condition>;5 v& {9 S. u6 ^% Z- f$ ?( x: U
(4) for <condition> to <condition> loop+ v i2 ^* x# p+ {
<statement sequence1>;
( {0 c( {+ H; G& h# m* | next;: z* f [+ Z. {
3中断语句
+ t8 }3 N9 k; R- h# ^! m( K waituntil <condition> prio <integer expression>;
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以上为常用的函数！
/ c2 i; ?! D5 Y还有很多，如有需要我把资料发到你邮箱里
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