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发表于 2012-11-13 08:48:12
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1判断语句
$ `( n) s+ U: W# u7 q. `" G& i if <condition> then( ]1 a+ o6 B# Z5 q+ N
<statement sequence1>;# F# Y( d8 u; Q* F* O2 c8 }" q
elseif <condition> then
7 ^0 l, Z1 { N s& T: P/ H- X- o& J9 ? <statement sequence2>;
$ b0 K7 V4 Z7 c else
8 C6 R: I6 {; v$ B <statement sequence3>;
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如果分支比较多，用：3 {! j( B0 k n# f, f; \( X8 `; N9 ~
inspect <expression>& K' E8 A/ \/ b, U; w# ]
when <constant_list> then
7 ~& ]6 c3 v+ x* m2 I/ u/ l <statement sequence1>;* {6 M6 L1 _' o
when <constant_list> then# z5 j3 d s0 @ M& u# z& b/ C' X
<statement sequence2>;3 s0 L9 C9 R. Q' ]3 ]- D6 \. F7 K
...
* }; w, I5 K2 O7 [3 U9 I else
2 _8 d$ D4 w! Z) a+ [$ l0 l <statement sequence3>;
! t2 _0 G# K- N3 S( p* E1 Iend;
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2循环语句- K, Q6 t* j5 Y5 A- M
(1) from <statement sequence1>3 E- d# j' K0 ?$ B2 W' B! r# J
until <condition> loop3 _2 T" n3 ~) x
<statement sequence2>;6 m9 q% m/ Z4 d- x, R y& x6 \/ h
end;
2 J/ j, B* }% |" A* e0 p+ t (2) while <condition> loop& m) o4 w% s* b7 f6 J2 n
<statement sequence1>;( g' p$ ?$ K9 I* m# E9 ~$ n$ s
end;* Y' o* D& A& P+ a: q9 Q: K# g
(3) repeat ( j+ o$ g! L$ E5 R0 q4 h
<statement sequence1>;
2 n0 Y1 Q2 q; T4 F# { until <condition>;% e+ d, P: m, v _: r2 i# x6 s9 ^! @
(4) for <condition> to <condition> loop# O/ I* F: y0 Q& }' z" j" j
<statement sequence1>;2 |$ \7 ]! } p3 \$ w
next;
+ w. `( p) c; b3中断语句& x4 G. h4 [6 j
waituntil <condition> prio <integer expression>;- l& |4 j9 Z* f# J: D
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以上为常用的函数！
. F4 f8 n5 X% I: z还有很多，如有需要我把资料发到你邮箱里
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