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发表于 2012-11-13 08:48:12
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1判断语句4 b$ f4 y, z) k! \( q X
if <condition> then# }7 l. c; C, _
<statement sequence1>;; R9 x+ ~3 o) v4 V$ k# p* X c
elseif <condition> then1 ~- B; W( K/ z3 Z ~: C
<statement sequence2>;
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<statement sequence3>;- h+ G4 U8 C0 ]
end;& P5 d z7 u/ K. C' Z+ E, ]
如果分支比较多，用：5 i1 W3 [* I, |+ F
inspect <expression>
0 Y) [4 u& U V2 L" ~+ l when <constant_list> then
# p2 t/ X1 S @. v0 b <statement sequence1>;
# d8 Y. O4 T9 p+ Q+ h when <constant_list> then
2 g' a: }5 p2 Q# _ <statement sequence2>;
# |5 F" ]& q# b6 Q+ v5 \9 H ...% }. c2 R+ Q) X
else
8 r9 P4 Q; o" D0 O) H6 p* D b+ P <statement sequence3>;
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5 i2 J# \+ b: }6 c- S t2循环语句
, t- S$ k; E r5 s# ]6 B* i$ R (1) from <statement sequence1>0 A7 a* ~: B+ _+ R0 {/ o/ \
until <condition> loop
, J9 P7 B3 v8 M. _# D% B9 y4 ~ <statement sequence2>;
3 A6 e6 O& } T$ M3 N$ p8 Q end;+ f5 a K* p' _$ M9 z
(2) while <condition> loop" R, v% g* { Z( B. ]( G, {( h
<statement sequence1>;
/ S U5 T6 c% _+ U end;
' T- \" y* G9 a# \ E2 D( P (3) repeat + B5 s. S. H/ v+ y# v# R
<statement sequence1>;
`* e5 G O9 _) S- f8 v' @ until <condition>;
+ n- f( T/ m" @3 F; ^ (4) for <condition> to <condition> loop: @ C/ b4 [. ?. G8 G
<statement sequence1>;
7 O2 U) }! m( I' w6 L next;- j/ r$ H6 Z+ ]/ Y: R
3中断语句1 S! j f8 M- e: ]% V# Y3 C
waituntil <condition> prio <integer expression>;& F9 e: p$ A7 M H* }* l* Q* r
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以上为常用的函数！" y/ N* Z( h! b2 j" }: L# R) U* d# }
还有很多，如有需要我把资料发到你邮箱里
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