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发表于 2012-11-13 08:48:12
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1判断语句8 R! n* x/ i& ~. j3 E9 C# Y! V
if <condition> then2 w8 z' W6 C0 U2 e
<statement sequence1>;! g: V6 k0 g" Z/ I* n+ R
elseif <condition> then, Q4 @! U% Z* k' @8 b) N2 W. U
<statement sequence2>;2 E, @- l8 A- X/ M4 t
else
: w0 b s$ c( l8 f <statement sequence3>;% X( p; w6 C& b* W
end;
7 f- s @! O7 p7 \- g如果分支比较多，用：" f6 F) {' s( X- v$ |" h# u9 H
inspect <expression>$ Z) _0 S$ u# Y9 l/ e2 n/ D) k/ w
when <constant_list> then
% D: p0 i* d0 v <statement sequence1>;/ k E9 F' ^# y6 {8 B! s
when <constant_list> then2 M f, E4 z- m1 m1 H
<statement sequence2>;
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else0 z0 l$ L6 q; Y1 D
<statement sequence3>;; w" c& v: a/ q
end;
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6 _* t' D$ F, `% D) }: y) i2循环语句; D0 O, q# U! \# H6 u
(1) from <statement sequence1>
! T5 ~+ ]) X$ U2 I0 H: z until <condition> loop7 x' z. S7 Y7 {. B- M, j" ?- Z" ?- S7 a
<statement sequence2>;
2 T) K/ @& V0 n5 c9 B end;
" g( ^0 y5 G& W3 y' _3 G- M (2) while <condition> loop1 e# a& v# c, W
<statement sequence1>;% w8 s9 b! ^3 t4 `# Q" S9 { }
end;: @8 y5 _2 s8 q0 L
(3) repeat
: s9 F# R7 H+ C+ I <statement sequence1>;
: A( I; |0 B7 F5 @4 _ until <condition>;
; i9 ?3 O6 J% g6 c' W# F (4) for <condition> to <condition> loop8 F( }0 n) g3 z9 y6 Y6 Q3 F9 a+ ]
<statement sequence1>;
& `( I/ z& y6 }; {( |) e$ U) G next;7 I" _2 O; f# Q0 _4 G& ~ Z. q8 g
3中断语句 w7 s9 a& A/ N3 K
waituntil <condition> prio <integer expression>;* ?8 t2 R3 }# C4 ~9 ] X6 l# |
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以上为常用的函数！
& m7 P6 e8 o' y还有很多，如有需要我把资料发到你邮箱里 " Z' W; c ^0 u# ?% K/ w
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