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发表于 2012-11-13 08:48:12
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1判断语句
% g3 }" p+ Y: p) }# D0 O if <condition> then
* c5 c/ S! [$ q" t+ w4 k <statement sequence1>;' r2 k9 y; q7 S6 I: A% Z
elseif <condition> then
- u( Q' n1 q$ }+ q+ W <statement sequence2>;
3 `4 h$ M# O d else # E3 O5 `) l' D* o9 x$ f
<statement sequence3>;
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如果分支比较多，用：2 w; g! y$ B( w
inspect <expression>, N# Q. P. b. }- a. q) ^: x
when <constant_list> then
# Z* P3 ~- ? o- R1 A2 Q <statement sequence1>;
; r' ~4 Q; s* i' I: N+ j when <constant_list> then
3 T+ G8 K, O6 p& ~. ?3 Y1 V <statement sequence2>;6 K# q' ~! m) }9 l( @4 Y
...
9 S: } A- Y# L8 } else
" v" \: ^0 @7 F8 `7 I1 P* y# E <statement sequence3>;5 Q$ I* c0 g+ g! m+ X8 l
end;
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: t# y! K( q8 \2循环语句
- F3 P& e _9 u( z$ o# } (1) from <statement sequence1>4 T0 V0 v0 m+ f L0 x6 p: W. k
until <condition> loop
6 U) c+ ?+ G1 l+ ^ <statement sequence2>;; I, E( }" `$ k
end;$ x9 a j9 F4 b) Q( V9 ~+ N! N( G
(2) while <condition> loop
, Z* Q- O" j0 `* A9 D6 N <statement sequence1>;' a$ w& }8 L* b X4 b* ~
end;0 [3 a# D# k+ K- \$ A
(3) repeat , _! a' W9 ~. u% v# ^, O' `
<statement sequence1>;
+ ?$ t) ?+ o$ ^ until <condition>;
/ s+ x# b& S: G (4) for <condition> to <condition> loop1 Y: q# s* V# w- @
<statement sequence1>;
5 |$ o' e1 ^0 @2 w next;
+ @0 h2 m. B/ \" K# x3 P3中断语句* K1 z. H1 Z) i; X2 X. K/ ]7 S; F7 Y
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
6 a# m8 M0 s! y0 n) D3 H0 B6 p- W还有很多，如有需要我把资料发到你邮箱里 , l- x) ~) D8 T1 D; Y' ]3 h
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