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发表于 2012-11-13 08:48:12
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1判断语句% U8 j: J% ] d3 G' w
if <condition> then0 D: k, E4 m, Z6 a
<statement sequence1>;: X) \8 o' X' ~7 ^
elseif <condition> then3 K% }4 ^* m6 b+ f
<statement sequence2>;
9 D* v0 J+ [9 g) j. L& X else ' q1 v$ m( z% W. x
<statement sequence3>;2 L9 f* t9 h% W' ^( T) e# h
end;" a2 q+ E- ~8 O
如果分支比较多，用：6 S# f* `. H( P; I7 q1 x4 W
inspect <expression># t# m( W! v& _8 P
when <constant_list> then
- V' ]( [8 I6 } U! N" H <statement sequence1>;, L4 {% i( @( V* e
when <constant_list> then
/ b. I* z# x9 x. R7 H, u1 g" P, j <statement sequence2>;: A; e( o; c3 A. V" a
...
8 T) j1 Q) D [7 R* h, G% a else
0 L$ T2 ]) d0 | <statement sequence3>;/ X) M2 V) v0 h, H8 Q. G; [( w
end;
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2循环语句9 o/ _/ _* r& r+ x
(1) from <statement sequence1>
9 N1 n( ~8 y# [4 n" M until <condition> loop
: e7 J9 @) z* U4 ~" X/ ~ <statement sequence2>;
% Y, T B p% e$ y; G: J2 z# O( o end;
$ w9 Z( z0 h7 C2 } (2) while <condition> loop: H' o' }6 L! y7 m. v
<statement sequence1>;
0 N) v/ w) G3 t' Q1 J" W7 B end;( Z- U3 I1 I' {
(3) repeat
3 u: A: S* w! j% M \" z <statement sequence1>;
0 x) B& p& c' y( O until <condition>;
0 Y! I; k, U& [9 f (4) for <condition> to <condition> loop
2 g' I& O7 E6 E8 O3 W/ e- g2 n2 c <statement sequence1>;: X" F( y: V( \# |/ x& o" f4 f
next;
/ ^+ b3 B; F$ d3中断语句: J7 ]) G2 L9 Q! F- ?# Q
waituntil <condition> prio <integer expression>;5 U/ v3 w# m, s; v1 X4 e
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) ? P D! G' s3 j以上为常用的函数！" f' P/ ]' `5 R
还有很多，如有需要我把资料发到你邮箱里 7 I Y/ [2 B" t6 C- Y
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