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发表于 2012-11-13 08:48:12
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1判断语句% m$ @' V. U! x" a5 o/ a
if <condition> then2 F) {! P" I9 U/ z3 X! B$ P5 P; ~
<statement sequence1>;
9 l, B2 V' c4 T0 K' w elseif <condition> then
8 v) x' K) i+ z4 y <statement sequence2>;
% d% a6 E9 m; x7 ~4 h8 h else - D" P9 s7 e- A
<statement sequence3>;3 z/ _+ W/ {3 L: K! g0 \" X
end;
% U# K4 {$ s2 C( n) C: W5 t3 h如果分支比较多，用：; b3 Q! ]% x l+ |* E& {! q; c
inspect <expression>% P9 s! ?4 n [) U
when <constant_list> then
) T# Y4 _- P" `# J0 x, M <statement sequence1>;
. D3 p- F# ~8 D) ` when <constant_list> then$ v( d. R$ n m
<statement sequence2>;
- Z; @, {$ q! ^9 }% F0 }2 B2 Q0 U ...
/ o8 u+ Y7 e9 ?/ A else' T2 I8 h. G9 a6 m9 d3 X2 f( p
<statement sequence3>;
( b' x# m" u( H% ]! }end;8 P- o8 e" z$ H$ V" H( u
, u* `3 m G5 s2循环语句
6 h/ Y1 j- C% k0 S! z (1) from <statement sequence1>
1 Z+ f, j2 u. _- U! H until <condition> loop5 J% r. m: z3 Z. c; ^1 E3 ^7 w
<statement sequence2>;
3 U8 `5 L5 g9 F+ N9 A4 ^ end;
' n5 p+ H% T% C I1 C (2) while <condition> loop, \. f' L) k ]
<statement sequence1>;3 `% m2 l' h) o& ?7 u ]7 v
end;: S- ~9 @3 U* R( h! A5 Y' J
(3) repeat
5 @) t E* F* p <statement sequence1>; w* k4 u3 f {9 f9 _5 O- g
until <condition>;/ p% o; L, \! |6 A7 |
(4) for <condition> to <condition> loop
8 }; ]; }* k5 T* @% O* H5 z <statement sequence1>;
# }1 `: f6 Z2 ~, @8 ` W0 k# }5 v next;- d$ S5 _2 p6 h( x. _$ O
3中断语句5 q' O' o7 K9 z# E7 Z/ k$ z
waituntil <condition> prio <integer expression>;
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& z) y/ l- t! X( @: o
6 u2 u/ _ w1 Z) p' y以上为常用的函数！) M7 {, W+ L6 N. b+ [
还有很多，如有需要我把资料发到你邮箱里
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