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发表于 2012-11-13 08:48:12
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1判断语句0 ~2 `" d2 R, ~& |! H
if <condition> then+ |* Y8 _0 L( p+ B" U
<statement sequence1>;
" m: z0 s$ M/ O3 N elseif <condition> then
% I/ H% {. G# Y) X8 T! C1 ` <statement sequence2>;
/ t7 f& c" p1 [: i7 e! B' P else 9 m9 E! n# Z& h2 H/ }
<statement sequence3>;; k1 z9 a! j. d% v
end;
# A2 v: y3 u% b% t如果分支比较多，用：, u/ `+ I( Z* L' S" K, i- b$ [! ^- @& J' N& Z
inspect <expression>
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<statement sequence1>;
# ~) ]8 y$ u7 j when <constant_list> then9 f# j1 r e* u* q6 R. D/ V6 |/ C# F
<statement sequence2>;
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else/ u( _6 k% ]7 I- k8 P
<statement sequence3>;& V' g/ I7 {2 e/ o
end;
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(1) from <statement sequence1> i* n8 O# n5 X+ A, A _
until <condition> loop7 ^( h( j( J) J/ Y+ x# C
<statement sequence2>; s0 c5 A+ E h% ?
end;$ |/ Z1 E; _- Z0 h3 ~
(2) while <condition> loop
& H6 @7 m" Q: N, x, _( o <statement sequence1>;
/ w- Y$ ]: M1 I5 n% d7 t- b; H8 I- s; N6 u end;
8 R6 E& o: V# c# M (3) repeat
& `2 b7 m! g: [6 ^& T0 u2 W <statement sequence1>;1 E( m7 m# Y) D) R# Y. x
until <condition>;4 |! x* E$ V8 R# }3 g% W# k4 i' V
(4) for <condition> to <condition> loop+ n/ \, N4 { \& F4 M# j
<statement sequence1>;% e m2 f% X7 d$ T6 `7 e
next;' q+ M: G( Y) |% t5 M5 c" f/ h j
3中断语句
/ m' g, v2 R/ M/ W waituntil <condition> prio <integer expression>;( ^$ Y; |4 g/ ?" k8 u
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以上为常用的函数！2 W P+ Z% d! t2 y3 @( u
还有很多，如有需要我把资料发到你邮箱里
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