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发表于 2012-11-13 08:48:12
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1判断语句6 f3 T0 R" F2 U- k+ ? `0 ]
if <condition> then
8 N. E1 ]: U4 z- T* i s <statement sequence1>;8 m9 W9 v; ~. s v. R3 A
elseif <condition> then
7 x: i- \" f; | { V. f4 u <statement sequence2>;
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<statement sequence3>;% ]7 i: A* Y0 |" t" o3 Z8 V$ W( L3 s
end;) e1 X) }9 q5 _1 b9 v. D2 c5 G
如果分支比较多，用：- ?) X) P, R" b
inspect <expression>
" C: o% k2 }! a2 a0 O when <constant_list> then
2 P- ?9 E3 j8 u, [) j <statement sequence1>;
0 O$ n: a8 V+ c$ d, A5 P when <constant_list> then3 I* R5 ?2 J& w" G) {$ w" `* [
<statement sequence2>;
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else; v ^7 m8 {$ N2 Z
<statement sequence3>;
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, J2 e) ^5 }' L* |2 n( K2循环语句
. A: |* F1 N" e (1) from <statement sequence1>, T( a! M) _, z1 F: B. X" a
until <condition> loop7 w7 G2 ~) n. N4 f5 ]
<statement sequence2>;! L( M8 P, I1 w
end;# q' G9 t! b/ i. ~4 N! S
(2) while <condition> loop! U! U. l4 U% Q
<statement sequence1>;' H! a! X& l# E# }$ b" C$ D' i2 u
end;: T0 V, M7 O e: l0 p, G1 L( Q
(3) repeat
7 E* A% h# n$ X- f2 L9 l" ] <statement sequence1>;* Y! s/ F m0 \, u2 J
until <condition>;
1 N9 [0 n( K# ? (4) for <condition> to <condition> loop- D5 t8 b$ T5 r3 a# _
<statement sequence1>;5 L; _7 ^1 I0 F8 L
next;
$ w3 l2 N$ i3 ?% S! f3中断语句
1 a0 h4 j" n; k5 y$ h* g waituntil <condition> prio <integer expression>;+ h: T: [8 h ]& I
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1 n- }9 @( Y/ I9 M; i9 y以上为常用的函数！
2 e. I% s2 _9 l s& D还有很多，如有需要我把资料发到你邮箱里
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