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发表于 2012-11-13 08:48:12
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1判断语句0 A; |; D0 f# }
if <condition> then' t+ j, N6 W9 [! Z
<statement sequence1>;7 w1 S5 Y5 x+ W- |7 D- B Y2 M
elseif <condition> then5 H& h4 `2 ?/ w1 V) c( j1 F Y
<statement sequence2>;
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<statement sequence3>;
+ X' J* Q. I0 x: Z end;
' Q5 y4 f; o$ X, R1 d如果分支比较多，用：6 |& e c% E; q4 V
inspect <expression>
: {5 h0 A" G$ y" p+ I6 O8 k2 b when <constant_list> then2 _9 c- i# X3 ?1 q4 f" F" U
<statement sequence1>;$ u0 r3 K- J4 ^2 e2 Z
when <constant_list> then' x+ M: g! u1 w
<statement sequence2>;
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else
% @* y3 ~4 m( i <statement sequence3>;
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4 [; L) O8 X$ d3 J$ G. c& ~# m2循环语句( V M% K8 W4 H% [# }
(1) from <statement sequence1>) r0 k6 {9 V2 l! U* j' s
until <condition> loop' k" ~9 u- Q# S% z, q
<statement sequence2>;
9 p+ Y/ t7 X' g0 r5 h$ S0 r end;
; N$ a, q: _9 W' U Q (2) while <condition> loop
' z7 l( \# s% P <statement sequence1>;1 p6 y- }2 S$ |3 t
end;
% \- \8 |2 [( ]: [7 z6 S2 a2 h1 S; i (3) repeat 5 A& s; g" L6 f5 {8 F
<statement sequence1>;
/ V& f q/ P2 W& ]' b" M until <condition>;2 `5 U. j9 w, t; ?9 ^- B% Z
(4) for <condition> to <condition> loop2 q+ W6 r( c# G0 D% N+ K
<statement sequence1>;" ]# x* @1 `2 F
next;1 w0 @" n' s& u! l+ H
3中断语句) g. g# ~9 e" Z* s$ z: ?
waituntil <condition> prio <integer expression>;2 A$ ~2 z# m! ^3 ^
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+ w+ y( k7 ]- `" m' }
以上为常用的函数！
9 R2 @, E: q. c- x还有很多，如有需要我把资料发到你邮箱里 / G8 p, A7 s0 j5 ~. @) B% Z
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