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发表于 2012-11-13 08:48:12
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1判断语句
9 Y( N5 J3 X1 V7 S# z- [* }+ y3 g if <condition> then
5 m- |! M6 r) c/ ~. M0 E! S9 U# | <statement sequence1>;
% ?1 b0 V2 _, Y; j# @ elseif <condition> then
/ U( `) V/ y8 b. a <statement sequence2>;
4 o3 O* N, }. m( L% D else 5 P$ G `( k2 J. O, z" z2 q
<statement sequence3>;. I8 e) k! e, X( |% j4 u( p5 D
end;
) e4 R8 ~' `* I' P如果分支比较多，用：- U7 a7 s4 G1 H; N2 t
inspect <expression>3 M+ L* e6 A1 ]
when <constant_list> then
+ L5 M; ]' l6 h4 K( s <statement sequence1>;
$ o9 a: Z5 H8 V- T( D! D when <constant_list> then1 \! v# t% M8 m$ N9 L
<statement sequence2>;
v) U' [( l* D ...
8 n% A& P% i: x( e/ E( X else
# s V$ R! U0 H% W* |/ L6 {; H <statement sequence3>;
% d2 `# E" A% y; G5 e, m( L; aend;
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$ b1 W5 z9 @# w6 n3 _$ f! G2循环语句
5 u5 L( u" }- g! o (1) from <statement sequence1>
8 b" u/ g% v- Z/ S until <condition> loop
" h' D2 C/ _% c <statement sequence2>;
. A* O8 |+ S; b3 j7 [ end;1 [# }' M1 \+ D# ?# y
(2) while <condition> loop) o1 g+ s9 }4 h2 l3 G3 I
<statement sequence1>;
( P$ Y! A( ^; }* Y. j end;
( c1 h K! b( O- m$ D9 Q0 c (3) repeat
2 }/ S4 H% l- w" R1 O7 A9 J <statement sequence1>;
/ u; G' i) ~2 e" ]% c until <condition>;0 ?% X5 Y- T' _8 L) S
(4) for <condition> to <condition> loop: S6 C1 M' z' A+ e) s
<statement sequence1>;- m0 H+ m$ T$ j2 W7 M
next;, l( a0 s# F2 a4 p a
3中断语句4 W! f* j+ S7 A, y
waituntil <condition> prio <integer expression>;; r- m; U' A8 W8 S
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以上为常用的函数！
$ ]/ x/ R0 n8 P6 Y/ v4 K/ }2 J还有很多，如有需要我把资料发到你邮箱里
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