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发表于 2012-11-13 08:48:12
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1判断语句8 \" } G( _& z9 j0 F6 r6 m
if <condition> then
1 w/ U& m: L" L" l <statement sequence1>;/ o; \2 \( Z- a& T
elseif <condition> then1 U8 k4 w% P' S; W% l9 t1 c/ r9 W
<statement sequence2>;
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<statement sequence3>;
% s" e) c% P. w8 d' k end;
3 `# t/ |! ?7 j. M$ F! N如果分支比较多，用：
! x' R6 s3 A2 ?4 V8 \$ l inspect <expression>
( ~( E) e. |& \7 c0 b, K. C" ] when <constant_list> then0 _* S- g5 O$ ~+ c- o1 r
<statement sequence1>;/ Y5 [, G, J% M$ q' U8 m$ ^& N
when <constant_list> then E' O9 p2 l$ X
<statement sequence2>;* Q9 q5 A8 j/ P9 N$ ~
...9 _/ ?. r3 w, |
else
/ `, E8 a& e R, \0 g, R) Q <statement sequence3>;
3 R" h3 [* N# c* yend;
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0 k4 C( u& `! | `3 s( {2循环语句! N4 O& q/ l. Y7 c; G0 e
(1) from <statement sequence1>
+ J8 Z" t% a. v3 N0 M& _ until <condition> loop
3 i0 b" p( B& n0 w/ h, Z8 a <statement sequence2>;' X' P8 ?! _6 m1 P+ j" t
end;- {4 N# A. R7 ]) g% a
(2) while <condition> loop# u$ J+ h& a7 ?
<statement sequence1>;
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(3) repeat
# ^, U* ^ a1 I9 I$ J3 U& J <statement sequence1>;
( n# |% ? o5 S3 E- I until <condition>;0 }0 {! W( ^4 ^3 w* Z
(4) for <condition> to <condition> loop
7 O2 Y) J, T8 f <statement sequence1>;- o& v% w; G9 b
next;
/ k5 B0 \6 [3 p( ^+ W- D3中断语句* m2 e ? r7 y: L) c* D4 r
waituntil <condition> prio <integer expression>;
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以上为常用的函数！( n+ p3 n: S1 l: M. k
还有很多，如有需要我把资料发到你邮箱里 " B. N2 `1 J2 b! y. y- D, M' X
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