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发表于 2012-11-13 08:48:12
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1判断语句, z) J4 u0 q- N2 x% E8 H
if <condition> then
' h4 A: X% S/ ]: C+ v+ N( ^$ Q <statement sequence1>;1 q& e+ u; D: i% q# b3 j9 p
elseif <condition> then
, x/ M9 c+ {3 [! O <statement sequence2>;
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<statement sequence3>;* m, l2 ^7 H8 x6 K
end;$ V/ o N+ l4 |: L! \! u3 O
如果分支比较多，用：1 e& ^: R* l( o8 T! |
inspect <expression>
7 Y- z7 b: z3 _ when <constant_list> then- {6 i. ]. S0 O" O8 q
<statement sequence1>;, a3 m6 r9 H: @, K& A: x( a [5 U
when <constant_list> then; e' M* ?' N. K1 |
<statement sequence2>;
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<statement sequence3>;
9 r) u7 Z T6 J% Q4 |end;7 o$ a! _$ I6 s! @) S9 s$ ` ~
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2循环语句
+ X6 Q7 E* \2 M( U, _ (1) from <statement sequence1>" I( u/ ]1 m6 M# w$ g$ L. R
until <condition> loop+ v/ N: u5 c: x
<statement sequence2>;
5 D0 I- i/ g9 l end;
% t n& t6 o# p0 u (2) while <condition> loop. R% k+ r& o# f3 T
<statement sequence1>;
1 U$ x! s' P9 {7 Z# m7 w& T end;
% l$ q; E2 d4 o (3) repeat 2 c- ]; [$ ?. ?
<statement sequence1>;
+ X8 n$ ~( t" ?0 c& _- o5 p until <condition>;/ ~! W) C N4 T; ~
(4) for <condition> to <condition> loop: X1 }7 a# a% Z R& ?
<statement sequence1>;( ?+ J# _' b3 N/ T5 _2 B* T! n
next;
L, i) I+ t2 i% J1 Z( m3中断语句; r d, F8 X6 r) A, l6 Z4 A
waituntil <condition> prio <integer expression>;' V$ w- W3 Y% T
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' ?0 s) O9 J& I以上为常用的函数！
3 x2 a# ]! v1 a( F O/ \还有很多，如有需要我把资料发到你邮箱里
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