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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
( I/ J, R2 Z" L+ ]/ t' I if <condition> then+ B. T9 P# L: @& Y( k
<statement sequence1>;
a* V# ~% |0 \( b6 K elseif <condition> then) a, `. q3 `8 r. R
<statement sequence2>;
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<statement sequence3>;
0 R3 b$ {/ s2 M- A: D/ b end;
( o, e0 X/ }/ s0 p如果分支比较多，用：! o# Y. p, L! n$ {* f \
inspect <expression>7 V( t) h; p7 j, I7 f: p f8 d2 f0 W
when <constant_list> then+ ^5 X1 J! X# N# c1 X( h7 Z) l
<statement sequence1>;
9 ]: R# j* B* L$ y when <constant_list> then5 o- ]' I% X9 t7 {
<statement sequence2>;
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else
$ r8 N0 w$ S" r& }8 W <statement sequence3>;! y7 k' W5 W1 R4 w% _/ C' o$ V) ?* O
end;
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2循环语句
+ B$ Y5 S* H) }* r% F (1) from <statement sequence1>
( V! E( k5 \0 L8 U+ z" U until <condition> loop- n9 _% I3 [% W4 D
<statement sequence2>;: ~, g# V6 t5 H$ E0 s8 w
end;
) W# Z: @- |9 k: E7 h (2) while <condition> loop
6 d' {3 v2 P" \8 S4 c- w) |; h7 m <statement sequence1>;
: A8 ^' b E- }4 \$ @$ I end;
; o" `) e$ F& }- N! S (3) repeat
" J+ ~4 L' X9 q% a6 w <statement sequence1>;3 i( B) L/ {5 b* Q" B
until <condition>;
' g5 O7 S1 y h( V& L( X7 A& ` (4) for <condition> to <condition> loop
2 L2 E6 [. @ F2 o <statement sequence1>;" t' y4 Q. ?8 E# ?0 n: w
next;( X7 E6 g& D5 i& X% ]) ^6 |2 K
3中断语句* H' I% H* x1 b2 b) c
waituntil <condition> prio <integer expression>;
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7 q0 t' a, E: H4 `5 U- E: b6 v以上为常用的函数！2 ]8 s3 ^+ J9 e! L+ U
还有很多，如有需要我把资料发到你邮箱里 - ^* {- G$ s* L H' E
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