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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
* f: o3 [5 ~- F/ i0 v8 C2 p if <condition> then2 n G+ }* Y1 R, h1 X; Q
<statement sequence1>;' _. ^- [* ^" T
elseif <condition> then
! m: k% F# R3 j W9 h, H' f <statement sequence2>;* W- \; w. d# i( ]
else
0 w6 X; U( |- f1 T1 z- Y <statement sequence3>; p1 L+ s5 W: k: P; x
end;
1 d0 I. \/ M3 P/ I9 x如果分支比较多，用：
. u7 g8 M2 I# Q% J0 I$ G inspect <expression>
6 M' m; `" w8 i [ Z2 ] when <constant_list> then
0 w/ c3 v3 |8 I; x S <statement sequence1>;9 t0 f; C4 z0 U
when <constant_list> then
( w7 @# m; |2 Q: F <statement sequence2>;+ U4 b. |* J. x8 B5 m& U( R
...
2 z9 u! A! y A/ E+ j! X* b/ h else
, U7 m, }! d/ t) I0 ]8 r6 ^ <statement sequence3>;
9 Y* w$ Z$ v2 R) F, B+ T& c0 x8 pend;
+ N+ }* I7 G% ~( N$ S3 `+ _& K3 X. r9 F* G! V
2循环语句
3 q/ R/ ^+ p$ a5 D; l8 b3 G5 D (1) from <statement sequence1>
( ?& Q' l ^; }9 \- |1 X( G until <condition> loop7 q; A/ ~9 L# ]. U
<statement sequence2>;1 b `% O2 E: h) t( X
end;
( K4 h. ~" l, }- l* _8 c (2) while <condition> loop
* F' k. |- U$ r' R; r; M6 U <statement sequence1>;+ {! x/ w7 t. ]) c
end;' M# o o! t! l" D! L. Y- ^
(3) repeat : B Z+ J9 _1 V1 E1 c& _9 r4 p: n
<statement sequence1>;1 r3 v% {" m9 Z T
until <condition>;2 `# u) F' g& w4 a+ ]2 d
(4) for <condition> to <condition> loop
, Q# \1 k# u) |: j <statement sequence1>;1 v# K- t8 u ~! |
next;
$ D3 b7 _7 ~) p% T3中断语句
6 {! n. A$ ?$ Q waituntil <condition> prio <integer expression>;& ~7 s1 ?5 L- W- h/ k! u4 U5 o
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2 e1 I; _) V0 w2 ~0 x7 Z以上为常用的函数！! k: k) E9 r# d4 i9 m9 X9 }
还有很多，如有需要我把资料发到你邮箱里 2 `! k5 k4 M& u5 t# U, `" I
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* \3 h! T7 u2 n# k4 {5 x
7 _, p! n: q% S6 Q' a r* H% S( x3 u( o8 b
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