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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 f5 f( G0 a$ E h* V0 o if <condition> then% p6 u6 `# j9 D# t x
<statement sequence1>;' \3 O: z8 e: y- Q- o9 C3 O9 Y, Z1 m
elseif <condition> then8 N* g$ F) K2 z1 ]2 m0 \) k1 `
<statement sequence2>;& g# Z% b( Y4 |. T/ O/ k
else : a# |# O) `, w* k; H7 l, S( h8 m
<statement sequence3>;
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如果分支比较多，用：( i; L& Q" w( N; _. ]( h( a4 r
inspect <expression>
4 [( _, u% i: y when <constant_list> then0 m/ a( F0 O' U9 V2 f9 y( ~* W; X
<statement sequence1>;" h5 X2 V1 t" R' _( ]. [) z9 K* m
when <constant_list> then( E- S! ^, o/ L$ U: S
<statement sequence2>;
" C$ z& }, \5 \9 Z% v: { ...
" s" {. x% E, ]6 s; K else. }( i. b+ g* h) W! H$ q2 ~
<statement sequence3>; k# n/ Q) Q0 R3 k% `/ v4 s
end;% Z: b6 E) m8 K" K/ O7 G( `/ g) ?
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2循环语句: X& |1 x8 u- P, i! i0 X1 w
(1) from <statement sequence1>5 W+ K" {) K% K4 U1 t/ C: l5 u) m0 n
until <condition> loop; @5 Z7 X6 J5 y- X' A& ]
<statement sequence2>;( q$ U; A; R& J( K# F" t9 ?
end;
! L! N) S+ R2 D+ [ (2) while <condition> loop
& O# O B2 s9 @- [) j <statement sequence1>;4 k% m4 f1 B6 P$ m
end;
. P# x, z( [$ h) F (3) repeat ( C4 l& r5 i# O" |
<statement sequence1>;- P k0 r. H3 w. \. J: ]2 h
until <condition>;
* }; ]* H$ i4 j0 i; H (4) for <condition> to <condition> loop5 S7 h1 R$ _5 a; ^# p; b" V
<statement sequence1>;
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3中断语句, t5 B! }4 A1 r- s) [' l1 T( }3 _
waituntil <condition> prio <integer expression>;
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1 K0 A# [! X/ `2 p, n. I, ~, n( ~
9 z! Q s( ]! U以上为常用的函数！8 z* }' ^8 t, b+ e; y# Q3 s
还有很多，如有需要我把资料发到你邮箱里
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