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发表于 2012-11-13 08:48:12
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1判断语句
# ^* z9 s) ^4 K1 i if <condition> then: v* S, m) i" { D! y8 j" R# @
<statement sequence1>;
. f+ {7 s7 x! ~( T0 [ elseif <condition> then
& Z9 |7 O2 y$ o6 p5 V; z. V <statement sequence2>;
: ]1 I, [% `0 r8 a else 0 L) d( L7 Z( ?
<statement sequence3>;' ]/ Z+ J5 k. V! r: z+ u W. R! K
end; k8 ~. Y4 A& H
如果分支比较多，用：
+ d3 J- A) O: I N inspect <expression>& [) L) j D* k& ^9 M! g1 E% U
when <constant_list> then% q4 O$ G. r- }, u
<statement sequence1>;& _2 p* s3 c( Q7 Y( n; a& X" |
when <constant_list> then
# p. q4 Q- C% T% S <statement sequence2>;
" c0 ~0 E6 R' ]! z9 J, | ...- u( A6 ]8 z$ o* d7 j# i% e
else
5 {; }" @' b4 V% ~ K, T <statement sequence3>;) k8 X2 D0 x" b0 _4 B
end;# }0 ~9 h) n5 U9 j" T+ e, }" r) u
' D4 a1 ]: g, v* k( A+ X2循环语句) p6 I" d4 U4 T' G2 i
(1) from <statement sequence1>- j0 S, ~$ E* C5 v
until <condition> loop$ T7 q0 A' _+ [8 Z1 j
<statement sequence2>;
3 K8 C9 x3 A' o N9 l end;
' g* I/ y' x" F9 Z (2) while <condition> loop
" w3 ~. w9 w% ] G6 k1 h8 K <statement sequence1>;
# ?9 k% t9 M4 D* ]9 N end;4 f+ X" L \0 T( a8 x3 B+ u
(3) repeat + B4 ?* j! ^5 c# N9 t- |: D
<statement sequence1>;7 [8 J- m# J: ^2 O8 a
until <condition>;2 N3 m$ V) g) g
(4) for <condition> to <condition> loop$ a' x8 f, ^. O% n
<statement sequence1>;; `& m- w+ q z3 J$ [7 X
next;
, W/ _7 B+ G3 k9 N0 R; U- b3中断语句$ M; g8 o: G( C7 x8 r
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, k: s2 R. \( ^/ a+ D" r/ n1 {8 ^还有很多，如有需要我把资料发到你邮箱里 0 B; @0 m: \8 c# L
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