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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;
( \2 {+ D. y3 j& Y elseif <condition> then$ j5 `) X+ c6 e* J" R9 p
<statement sequence2>;6 ]! J( x+ G; w0 M1 ~5 Z
else 7 Y1 h# }9 q) y$ b( ?
<statement sequence3>;
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如果分支比较多，用：( t, r. C# t8 t
inspect <expression>$ f4 T' h+ {- u3 x
when <constant_list> then
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when <constant_list> then
R+ C/ q3 o6 ? L( w <statement sequence2>;
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<statement sequence3>;8 |* g$ r, F) R0 w' D, y) _+ W/ L
end;
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0 m: v3 W; D' u. d* D5 N+ n0 W2循环语句
+ A$ F% z4 u) f (1) from <statement sequence1>+ @9 m, R5 w' J( H2 r3 q
until <condition> loop
7 j! L- r/ ]+ E! a1 t$ i/ ~4 H <statement sequence2>;
8 z& {$ N2 A+ m H end;
5 A( y- C3 q" f5 F6 Z (2) while <condition> loop9 _) c p; _; z ]- ?$ I- o# e
<statement sequence1>;6 h2 s- g d0 f3 {- U- ?
end;* m# W& a- r% C: \% w$ h7 v
(3) repeat 6 Q, L$ n# P9 j3 U
<statement sequence1>;
0 W# v, m" d/ E; \7 [ until <condition>;
# S( q+ U4 i4 Q. v/ k (4) for <condition> to <condition> loop
9 e. j3 b k( P' S <statement sequence1>;
& l# Q" m. b% X. `( z# b next; O( r# r* D% z; _
3中断语句% B, w1 g4 \( n8 v; s
waituntil <condition> prio <integer expression>;8 [: A5 i# v) ~
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. Z" \6 E" l9 u! A以上为常用的函数！! k0 @0 t8 v4 U; b
还有很多，如有需要我把资料发到你邮箱里 $ a; W G" f6 _$ L) S3 F9 J
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