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发表于 2012-11-13 08:48:12
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1判断语句, j5 ^) w8 m2 W/ s T0 W/ T+ h
if <condition> then/ _% [& X7 i( U2 W
<statement sequence1>;
' C/ q3 y! b$ W! G$ P. z) e2 Q elseif <condition> then
" ]+ G/ d$ z6 l9 v' I <statement sequence2>;
1 d/ i" I" h! L( w. u/ |, D else & ]% o4 [: ?9 ?" B
<statement sequence3>;2 I; }) g. f" w
end;$ c7 E" t9 _) k
如果分支比较多，用：1 z& ]$ S/ P f3 K6 c" D
inspect <expression>( S( O0 U) `! l* i6 t6 ?3 a
when <constant_list> then
" @. ]8 |- U) g v <statement sequence1>;% I3 H2 s, ~" n9 {" V2 ^- X
when <constant_list> then! M/ n2 H# C' I# L" w
<statement sequence2>;* @1 g- q; q3 A8 U1 k3 U# l
...
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<statement sequence3>; I( f+ w& B4 r
end;
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4 R! C: J7 X1 f$ K1 s. B0 `( `2循环语句) y' a. C# \% `$ b, L; {
(1) from <statement sequence1> {& Z8 @ Z5 `) Z9 ^# ]3 _
until <condition> loop6 M5 D9 W7 q Z" `; X
<statement sequence2>;
9 S* g; }, M# ? end;( H5 C2 w, q; {6 v6 o
(2) while <condition> loop8 Z" u/ \$ ?0 V1 |/ Z% b
<statement sequence1>; p' S" z' @$ ^: X; G5 ]
end;# E8 h: b- u) _. h4 K( j# `
(3) repeat $ l8 A1 ]% X. H# G8 i5 N: z9 S C8 y
<statement sequence1>;1 V9 }3 W7 \2 N( D; g" l0 n
until <condition>;' w8 U3 P5 M1 |+ T9 e
(4) for <condition> to <condition> loop, F, P- O' Q4 E. F( b0 B/ g
<statement sequence1>;
8 M0 {( A6 j! |: h3 k Z3 { next;
, W) P' ], \/ ^( D9 J& N" `3中断语句7 i7 ]" }. r- ^: m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( O7 J( O6 ]/ B! \" g% b Z4 `还有很多，如有需要我把资料发到你邮箱里 3 d$ ?& M& `* \: s2 K& w# R9 M
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