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发表于 2012-11-13 08:48:12
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1判断语句
' C: I6 b/ u$ N9 x if <condition> then
& C$ {8 |+ U) M7 p3 P <statement sequence1>;
6 T6 v* ]3 ~9 ? elseif <condition> then# o3 W) K) R8 C8 r: N+ v% N( q/ ?
<statement sequence2>;- S5 i- D4 n5 A$ H; s
else
" h8 }0 `9 ?& Z; K( h3 [- R' \% y# b# A <statement sequence3>;
/ {7 q) @9 B, g) c' r end;
% V# j! n) F0 v& X! g如果分支比较多，用：
% |8 }" d6 s" z: L: \ inspect <expression>, {5 p4 d4 h, t& A
when <constant_list> then
4 S& I! B' ^% ~4 j <statement sequence1>;1 S7 F% C1 r# E! ]6 N
when <constant_list> then
: W/ q+ B( ~( B <statement sequence2>;
3 D6 m O! i# t- A6 y6 x, q ...
( |- k% ?+ `- b else
1 ^9 R- G3 I! V7 V. a# r5 P1 G4 _ <statement sequence3>;
, Q! b& _( K5 {* n# V/ _end;
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2循环语句5 d# r0 T n, [) U- |! `. a
(1) from <statement sequence1>
8 p4 y; c- b/ J5 T$ a/ u until <condition> loop
+ o. n6 M7 [/ I$ R/ |+ W <statement sequence2>;
4 Q+ y& C1 @4 |1 J8 I* O end;
S1 A/ | _; N* e8 W" t (2) while <condition> loop0 ~! T J) s& ~7 ]* B6 d7 L
<statement sequence1>;4 B" Z( S* y R8 a6 h
end;
- H6 B/ F+ |$ A' e; P7 H (3) repeat
, e3 d) V# e; l q3 J7 S1 w* B <statement sequence1>;
- h5 `# d; b3 d: \9 ? until <condition>;; h2 K/ x& e. G- Y$ S
(4) for <condition> to <condition> loop
) K( z9 V7 z& t; _# K& k <statement sequence1>;
/ W2 o) D; L$ J8 g" ]& ^ next;
/ U B8 D8 w7 b. R8 v: i5 E$ E% H3中断语句
% b# r9 G' _1 M waituntil <condition> prio <integer expression>;
, P9 q! i( J' H0 {& a' Z: L& `7 J+ w# K, f; h( ]# H
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以上为常用的函数！
* A) @) D* h3 c& z还有很多，如有需要我把资料发到你邮箱里 ( c6 Z/ s# H5 E
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